./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dab3cfcd7f834fcfbdfecec143b1f55491432e66d7189ec50c725339851d6e17 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 01:40:13,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:40:13,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:40:14,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:40:14,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:40:14,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:40:14,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:40:14,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:40:14,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:40:14,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:40:14,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:40:14,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:40:14,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:40:14,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:40:14,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:40:14,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:40:14,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:40:14,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:40:14,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:40:14,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:40:14,069 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:40:14,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:40:14,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:40:14,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:40:14,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:40:14,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:40:14,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:40:14,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:40:14,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:40:14,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:40:14,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:40:14,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:40:14,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:40:14,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:40:14,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:40:14,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:40:14,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:40:14,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:40:14,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:40:14,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:40:14,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:40:14,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:40:14,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-22 01:40:14,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:40:14,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:40:14,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:40:14,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:40:14,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:40:14,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:40:14,120 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:40:14,120 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:40:14,120 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:40:14,121 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:40:14,121 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:40:14,121 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:40:14,121 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:40:14,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:40:14,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:40:14,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:40:14,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:40:14,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:40:14,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:40:14,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:40:14,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:40:14,122 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:40:14,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:40:14,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:40:14,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:40:14,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:40:14,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:40:14,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:40:14,125 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:40:14,125 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab3cfcd7f834fcfbdfecec143b1f55491432e66d7189ec50c725339851d6e17 [2022-07-22 01:40:14,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:40:14,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:40:14,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:40:14,438 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:40:14,439 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:40:14,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2022-07-22 01:40:14,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7346f7b66/cabed9ffb22f446a9dbbef9119532adf/FLAGc85a03748 [2022-07-22 01:40:14,895 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:40:14,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2022-07-22 01:40:14,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7346f7b66/cabed9ffb22f446a9dbbef9119532adf/FLAGc85a03748 [2022-07-22 01:40:15,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7346f7b66/cabed9ffb22f446a9dbbef9119532adf [2022-07-22 01:40:15,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:40:15,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:40:15,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:40:15,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:40:15,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:40:15,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5256fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15, skipping insertion in model container [2022-07-22 01:40:15,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:40:15,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:40:15,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:40:15,529 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:40:15,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:40:15,582 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:40:15,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15 WrapperNode [2022-07-22 01:40:15,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:40:15,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:40:15,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:40:15,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:40:15,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,622 INFO L137 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-07-22 01:40:15,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:40:15,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:40:15,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:40:15,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:40:15,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:40:15,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:40:15,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:40:15,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:40:15,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (1/1) ... [2022-07-22 01:40:15,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:15,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:15,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:15,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 01:40:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 01:40:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 01:40:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 01:40:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 01:40:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:40:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:40:15,800 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:40:15,801 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:40:15,923 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:40:15,928 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:40:15,928 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 01:40:15,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:40:15 BoogieIcfgContainer [2022-07-22 01:40:15,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:40:15,930 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:40:15,930 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:40:15,932 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:40:15,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:40:15,933 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:40:15" (1/3) ... [2022-07-22 01:40:15,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bb8252f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:40:15, skipping insertion in model container [2022-07-22 01:40:15,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:40:15,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:40:15" (2/3) ... [2022-07-22 01:40:15,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bb8252f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:40:15, skipping insertion in model container [2022-07-22 01:40:15,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:40:15,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:40:15" (3/3) ... [2022-07-22 01:40:15,935 INFO L354 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca-1.i [2022-07-22 01:40:15,973 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:40:15,974 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:40:15,974 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:40:15,974 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:40:15,974 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:40:15,974 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:40:15,974 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:40:15,974 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:40:15,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2022-07-22 01:40:15,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:40:15,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:40:15,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:40:15,994 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 01:40:15,994 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:40:15,995 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:40:15,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2022-07-22 01:40:15,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:40:15,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:40:15,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:40:15,998 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 01:40:15,998 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:40:16,002 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; 7#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~ret10#1.base, main_#t~ret10#1.offset, 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; 11#L562true assume !(main_~length1~0#1 < 1); 14#L562-2true assume !(main_~length2~0#1 < 1); 12#L565-1true 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;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_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 13#L553-4true [2022-07-22 01:40:16,003 INFO L754 eck$LassoCheckResult]: Loop: 13#L553-4true cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 9#L552-1true assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 6#L553-3true assume !true; 13#L553-4true [2022-07-22 01:40:16,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:16,011 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-07-22 01:40:16,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:16,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711187801] [2022-07-22 01:40:16,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:16,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:16,147 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:16,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:16,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:16,197 INFO L85 PathProgramCache]: Analyzing trace with hash 49828, now seen corresponding path program 1 times [2022-07-22 01:40:16,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:16,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136789102] [2022-07-22 01:40:16,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:16,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:40:16,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:40:16,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136789102] [2022-07-22 01:40:16,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136789102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 01:40:16,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 01:40:16,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-22 01:40:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109977754] [2022-07-22 01:40:16,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 01:40:16,282 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-22 01:40:16,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 01:40:16,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 01:40:16,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 01:40:16,307 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:40:16,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 01:40:16,313 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-07-22 01:40:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 01:40:16,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-07-22 01:40:16,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:40:16,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 10 states and 13 transitions. [2022-07-22 01:40:16,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-22 01:40:16,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-22 01:40:16,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-07-22 01:40:16,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 01:40:16,324 INFO L369 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-07-22 01:40:16,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-07-22 01:40:16,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-07-22 01:40:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:40:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-07-22 01:40:16,339 INFO L392 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-07-22 01:40:16,339 INFO L374 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-07-22 01:40:16,340 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 01:40:16,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-07-22 01:40:16,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:40:16,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:40:16,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:40:16,341 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 01:40:16,341 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 01:40:16,342 INFO L752 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 39#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~ret10#1.base, main_#t~ret10#1.offset, 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; 42#L562 assume !(main_~length1~0#1 < 1); 43#L562-2 assume !(main_~length2~0#1 < 1); 46#L565-1 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;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_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 44#L553-4 [2022-07-22 01:40:16,342 INFO L754 eck$LassoCheckResult]: Loop: 44#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 47#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 40#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 41#L553-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 44#L553-4 [2022-07-22 01:40:16,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:16,344 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-07-22 01:40:16,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:16,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862275867] [2022-07-22 01:40:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:16,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:16,384 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:16,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:16,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:16,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1544297, now seen corresponding path program 1 times [2022-07-22 01:40:16,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:16,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214746256] [2022-07-22 01:40:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:16,412 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:16,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:16,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:16,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1298350894, now seen corresponding path program 1 times [2022-07-22 01:40:16,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:16,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809724524] [2022-07-22 01:40:16,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:16,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:16,475 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:16,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:17,163 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:40:17,164 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:40:17,164 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:40:17,164 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:40:17,165 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:40:17,165 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:17,165 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:40:17,165 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:40:17,165 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration2_Lasso [2022-07-22 01:40:17,165 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:40:17,165 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:40:17,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:17,828 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:40:17,832 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:40:17,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:17,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:17,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:17,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:17,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 01:40:17,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:17,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:17,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:17,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:17,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:17,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:17,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:17,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:17,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:17,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:17,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:17,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:17,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 01:40:17,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:17,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:17,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:17,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:17,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:17,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:17,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:17,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:17,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:17,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:17,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:17,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:17,938 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:17,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 01:40:17,941 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 [2022-07-22 01:40:17,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:17,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:17,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:17,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:17,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:17,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:17,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:17,980 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 [2022-07-22 01:40:17,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:17,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:17,982 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:17,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 01:40:17,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:18,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:18,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:18,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:18,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:18,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:18,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:18,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:18,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:18,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:18,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:18,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:18,031 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:18,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 01:40:18,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:18,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:18,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:18,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:18,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:18,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:18,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:18,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:18,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-22 01:40:18,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:18,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:18,063 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:18,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 01:40:18,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:18,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:18,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:18,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:18,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:18,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:18,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:18,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:18,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:18,115 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 [2022-07-22 01:40:18,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:18,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:18,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:18,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 01:40:18,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:18,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:18,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:18,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:18,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:18,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:18,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:18,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:18,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:18,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:18,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:18,150 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:18,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 01:40:18,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:18,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:18,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:18,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:18,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:18,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:18,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:18,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:18,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:18,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-22 01:40:18,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:18,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:18,179 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:18,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 01:40:18,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:18,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:18,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:18,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:18,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:18,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:18,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:18,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:18,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-22 01:40:18,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:18,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:18,213 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:18,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 01:40:18,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:18,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:18,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:18,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:18,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:18,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:18,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:18,267 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:40:18,313 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-07-22 01:40:18,313 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-07-22 01:40:18,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:18,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:18,336 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:18,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 01:40:18,382 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:40:18,402 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:40:18,402 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:40:18,402 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrpbrk_~s1#1.base)_1, ULTIMATE.start_cstrpbrk_~s1#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s1#1.base)_1 - 1*ULTIMATE.start_cstrpbrk_~s1#1.offset Supporting invariants [] [2022-07-22 01:40:18,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:18,439 INFO L293 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2022-07-22 01:40:18,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:18,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 01:40:18,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:18,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 01:40:18,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:40:18,520 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 [2022-07-22 01:40:18,521 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-07-22 01:40:18,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 16 states and 20 transitions. Complement of second has 4 states. [2022-07-22 01:40:18,541 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 [2022-07-22 01:40:18,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-07-22 01:40:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2022-07-22 01:40:18,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-22 01:40:18,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:18,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2022-07-22 01:40:18,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:18,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2022-07-22 01:40:18,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:18,545 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2022-07-22 01:40:18,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:40:18,546 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 19 transitions. [2022-07-22 01:40:18,546 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-22 01:40:18,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-22 01:40:18,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-07-22 01:40:18,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:40:18,547 INFO L369 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-07-22 01:40:18,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-07-22 01:40:18,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-07-22 01:40:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:40:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-07-22 01:40:18,548 INFO L392 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-07-22 01:40:18,548 INFO L374 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-07-22 01:40:18,548 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 01:40:18,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-07-22 01:40:18,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:40:18,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:40:18,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:40:18,549 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 01:40:18,550 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:40:18,550 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~ret10#1.base, main_#t~ret10#1.offset, 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; 153#L562 assume !(main_~length1~0#1 < 1); 154#L562-2 assume !(main_~length2~0#1 < 1); 155#L565-1 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;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_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 156#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 160#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 149#L553-3 [2022-07-22 01:40:18,550 INFO L754 eck$LassoCheckResult]: Loop: 149#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 150#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 157#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 149#L553-3 [2022-07-22 01:40:18,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:18,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935627, now seen corresponding path program 1 times [2022-07-22 01:40:18,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:18,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104917454] [2022-07-22 01:40:18,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:18,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:18,583 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:18,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:18,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:18,596 INFO L85 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 1 times [2022-07-22 01:40:18,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:18,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508379829] [2022-07-22 01:40:18,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:18,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:18,599 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:18,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:18,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:18,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1594172151, now seen corresponding path program 1 times [2022-07-22 01:40:18,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:18,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097012254] [2022-07-22 01:40:18,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:18,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:18,616 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:18,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:18,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:19,105 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:40:19,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:40:19,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:40:19,106 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:40:19,106 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:40:19,106 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:19,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:40:19,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:40:19,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration3_Lasso [2022-07-22 01:40:19,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:40:19,106 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:40:19,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:19,743 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:40:19,743 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:40:19,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:19,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:19,745 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:19,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 01:40:19,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:19,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:19,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:19,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:19,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:19,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:19,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:19,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:19,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:19,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-22 01:40:19,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:19,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:19,794 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:19,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 01:40:19,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:19,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:19,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:19,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:19,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:19,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:19,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:19,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:19,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:19,832 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 [2022-07-22 01:40:19,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:19,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:19,833 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:19,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 01:40:19,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:19,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:19,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:19,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:19,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:19,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:19,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:19,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:19,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-07-22 01:40:19,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:19,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:19,863 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:19,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 01:40:19,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:19,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:19,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:19,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:19,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:19,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:19,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:19,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:19,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:19,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:19,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:19,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:19,906 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:19,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 01:40:19,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:19,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:19,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:19,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:19,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:19,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:19,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:19,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:19,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:19,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-07-22 01:40:19,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:19,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:19,948 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:19,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-22 01:40:19,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:19,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:19,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:19,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:19,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:19,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:19,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:19,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:19,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:19,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-07-22 01:40:19,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:19,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:19,976 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:19,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-22 01:40:19,979 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 [2022-07-22 01:40:19,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:19,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:19,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:19,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:19,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:19,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:20,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,049 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 [2022-07-22 01:40:20,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,051 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:20,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:20,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:20,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:20,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:20,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-22 01:40:20,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:20,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,100 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-22 01:40:20,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:20,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:20,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:20,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:20,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,133 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 [2022-07-22 01:40:20,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,134 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-22 01:40:20,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:20,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:20,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:20,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:20,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,210 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 [2022-07-22 01:40:20,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,212 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-22 01:40:20,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:20,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:20,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:20,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:20,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,291 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 [2022-07-22 01:40:20,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,293 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-22 01:40:20,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:20,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:20,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:20,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:20,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,335 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 [2022-07-22 01:40:20,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,336 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-22 01:40:20,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:20,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:20,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:20,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:20,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,381 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 [2022-07-22 01:40:20,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,383 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-22 01:40:20,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,391 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-22 01:40:20,391 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-07-22 01:40:20,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,412 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2022-07-22 01:40:20,412 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-07-22 01:40:20,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,466 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 [2022-07-22 01:40:20,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,468 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-22 01:40:20,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:20,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:20,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:20,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:20,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:20,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,512 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-22 01:40:20,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:20,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:20,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:20,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:20,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:20,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:20,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,554 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-22 01:40:20,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:20,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:20,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:20,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:20,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:20,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:20,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:20,580 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:40:20,594 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-07-22 01:40:20,594 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-07-22 01:40:20,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:20,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,595 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-22 01:40:20,597 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:40:20,618 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:40:20,618 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:40:20,618 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~scanp~0#1.offset, v_rep(select #length ULTIMATE.start_cstrpbrk_~scanp~0#1.base)_2) = -1*ULTIMATE.start_cstrpbrk_~scanp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~scanp~0#1.base)_2 Supporting invariants [] [2022-07-22 01:40:20,649 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 [2022-07-22 01:40:20,671 INFO L293 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2022-07-22 01:40:20,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:20,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 01:40:20,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:20,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 01:40:20,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:40:20,725 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 [2022-07-22 01:40:20,725 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:40:20,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 5 states. [2022-07-22 01:40:20,734 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 [2022-07-22 01:40:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:40:20,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2022-07-22 01:40:20,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 7 letters. Loop has 3 letters. [2022-07-22 01:40:20,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:20,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 3 letters. [2022-07-22 01:40:20,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:20,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 7 letters. Loop has 6 letters. [2022-07-22 01:40:20,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:20,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2022-07-22 01:40:20,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:40:20,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 27 transitions. [2022-07-22 01:40:20,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-22 01:40:20,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-22 01:40:20,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-07-22 01:40:20,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:40:20,738 INFO L369 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-07-22 01:40:20,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-07-22 01:40:20,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2022-07-22 01:40:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:40:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-07-22 01:40:20,739 INFO L392 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-07-22 01:40:20,739 INFO L374 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-07-22 01:40:20,739 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 01:40:20,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-07-22 01:40:20,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:40:20,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:40:20,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:40:20,740 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 01:40:20,740 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:40:20,741 INFO L752 eck$LassoCheckResult]: Stem: 295#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 296#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~ret10#1.base, main_#t~ret10#1.offset, 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; 301#L562 assume !(main_~length1~0#1 < 1); 302#L562-2 assume !(main_~length2~0#1 < 1); 306#L565-1 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;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_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 307#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 308#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 299#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 300#L553-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 304#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 309#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 297#L553-3 [2022-07-22 01:40:20,741 INFO L754 eck$LassoCheckResult]: Loop: 297#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 298#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 303#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 297#L553-3 [2022-07-22 01:40:20,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:20,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2120273357, now seen corresponding path program 2 times [2022-07-22 01:40:20,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:20,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659206461] [2022-07-22 01:40:20,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:20,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:20,753 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:20,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:20,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:20,763 INFO L85 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 2 times [2022-07-22 01:40:20,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:20,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41897612] [2022-07-22 01:40:20,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:20,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:20,766 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:20,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:20,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:20,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1020472847, now seen corresponding path program 1 times [2022-07-22 01:40:20,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:20,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923812239] [2022-07-22 01:40:20,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:20,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:40:20,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:40:20,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923812239] [2022-07-22 01:40:20,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923812239] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 01:40:20,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170211759] [2022-07-22 01:40:20,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:20,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 01:40:20,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:20,833 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 01:40:20,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-07-22 01:40:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:20,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-22 01:40:20,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:20,913 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-22 01:40:20,913 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-07-22 01:40:20,951 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 [2022-07-22 01:40:20,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 7 [2022-07-22 01:40:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:40:20,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 01:40:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:40:21,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170211759] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 01:40:21,033 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 01:40:21,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-07-22 01:40:21,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580046614] [2022-07-22 01:40:21,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 01:40:21,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 01:40:21,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 01:40:21,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-22 01:40:21,068 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:40:21,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 01:40:21,203 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2022-07-22 01:40:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 01:40:21,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-07-22 01:40:21,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:40:21,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 28 transitions. [2022-07-22 01:40:21,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-22 01:40:21,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-07-22 01:40:21,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2022-07-22 01:40:21,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:40:21,205 INFO L369 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-07-22 01:40:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2022-07-22 01:40:21,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2022-07-22 01:40:21,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 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) [2022-07-22 01:40:21,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-07-22 01:40:21,206 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-07-22 01:40:21,206 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-07-22 01:40:21,206 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 01:40:21,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2022-07-22 01:40:21,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:40:21,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:40:21,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:40:21,207 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 01:40:21,207 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:40:21,207 INFO L752 eck$LassoCheckResult]: Stem: 453#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 454#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~ret10#1.base, main_#t~ret10#1.offset, 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; 459#L562 assume !(main_~length1~0#1 < 1); 460#L562-2 assume !(main_~length2~0#1 < 1); 463#L565-1 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;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_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#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 cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 464#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 465#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 457#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 458#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 462#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 468#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 469#L553-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 466#L553-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 467#L552-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 455#L553-3 [2022-07-22 01:40:21,208 INFO L754 eck$LassoCheckResult]: Loop: 455#L553-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 456#L553-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 461#L554 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 455#L553-3 [2022-07-22 01:40:21,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:21,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1095399647, now seen corresponding path program 2 times [2022-07-22 01:40:21,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:21,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476104044] [2022-07-22 01:40:21,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:21,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:21,231 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:21,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:21,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:21,241 INFO L85 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 3 times [2022-07-22 01:40:21,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:21,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235935666] [2022-07-22 01:40:21,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:21,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:21,245 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:21,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:21,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:21,247 INFO L85 PathProgramCache]: Analyzing trace with hash -110602269, now seen corresponding path program 3 times [2022-07-22 01:40:21,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:40:21,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958367212] [2022-07-22 01:40:21,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:40:21,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:40:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:21,257 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:40:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:40:21,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:40:22,114 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:40:22,115 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:40:22,115 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:40:22,115 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:40:22,115 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:40:22,115 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:22,115 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:40:22,115 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:40:22,115 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration5_Lasso [2022-07-22 01:40:22,115 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:40:22,115 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:40:22,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:22,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:40:23,022 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:40:23,023 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:40:23,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,032 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-22 01:40:23,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,072 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 [2022-07-22 01:40:23,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,074 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-22 01:40:23,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,115 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-22 01:40:23,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,158 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-22 01:40:23,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,185 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 [2022-07-22 01:40:23,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,190 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-22 01:40:23,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:23,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,220 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-22 01:40:23,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-22 01:40:23,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,246 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-22 01:40:23,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:23,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,291 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-22 01:40:23,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,360 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 [2022-07-22 01:40:23,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,361 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-22 01:40:23,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,399 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-22 01:40:23,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:23,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,467 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-22 01:40:23,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,504 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-22 01:40:23,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-07-22 01:40:23,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,545 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-22 01:40:23,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:23,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,596 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 [2022-07-22 01:40:23,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,597 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-22 01:40:23,599 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 [2022-07-22 01:40:23,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,638 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-22 01:40:23,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:40:23,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:40:23,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:40:23,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,668 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-22 01:40:23,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:23,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,715 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-22 01:40:23,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:23,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,758 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-22 01:40:23,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:23,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,785 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 [2022-07-22 01:40:23,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,787 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-22 01:40:23,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,796 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-22 01:40:23,796 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-07-22 01:40:23,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,815 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2022-07-22 01:40:23,815 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-07-22 01:40:23,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-07-22 01:40:23,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,874 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-22 01:40:23,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:23,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,904 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-22 01:40:23,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:23,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:23,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-22 01:40:23,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,949 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-22 01:40:23,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:23,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:23,972 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2022-07-22 01:40:23,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:23,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:23,975 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-07-22 01:40:23,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:23,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:40:23,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-22 01:40:23,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:23,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:23,997 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:23,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-22 01:40:23,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:40:24,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:40:24,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:40:24,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:40:24,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:40:24,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:40:24,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:40:24,025 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:40:24,079 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-07-22 01:40:24,079 INFO L444 ModelExtractionUtils]: 12 out of 49 variables were initially zero. Simplification set additionally 34 variables to zero. [2022-07-22 01:40:24,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:40:24,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:40:24,080 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:40:24,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-22 01:40:24,082 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:40:24,089 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:40:24,089 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:40:24,089 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~scanp~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_cstrpbrk_~scanp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [] [2022-07-22 01:40:24,105 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 [2022-07-22 01:40:24,207 INFO L293 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2022-07-22 01:40:24,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:24,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 01:40:24,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:24,308 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 01:40:24,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:40:24,339 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 01:40:24,339 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 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) [2022-07-22 01:40:24,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. 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 28 states and 35 transitions. Complement of second has 6 states. [2022-07-22 01:40:24,373 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 [2022-07-22 01:40:24,373 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) [2022-07-22 01:40:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-07-22 01:40:24,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2022-07-22 01:40:24,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:24,374 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 01:40:24,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:24,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 01:40:24,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:24,469 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 01:40:24,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:40:24,490 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 01:40:24,490 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 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) [2022-07-22 01:40:24,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. 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 29 states and 36 transitions. Complement of second has 6 states. [2022-07-22 01:40:24,526 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 [2022-07-22 01:40:24,527 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) [2022-07-22 01:40:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-07-22 01:40:24,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 3 letters. [2022-07-22 01:40:24,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:24,527 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 01:40:24,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:40:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:24,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 01:40:24,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:40:24,609 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 01:40:24,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:40:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:40:24,630 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 01:40:24,630 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 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) [2022-07-22 01:40:24,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. 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 24 states and 29 transitions. Complement of second has 5 states. [2022-07-22 01:40:24,654 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 [2022-07-22 01:40:24,654 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) [2022-07-22 01:40:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-07-22 01:40:24,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 14 letters. Loop has 3 letters. [2022-07-22 01:40:24,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:24,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 17 letters. Loop has 3 letters. [2022-07-22 01:40:24,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:24,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 14 letters. Loop has 6 letters. [2022-07-22 01:40:24,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:40:24,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-07-22 01:40:24,656 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:40:24,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-07-22 01:40:24,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 01:40:24,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 01:40:24,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 01:40:24,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 01:40:24,656 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:40:24,656 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:40:24,656 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:40:24,656 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 01:40:24,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 01:40:24,656 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:40:24,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 01:40:24,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 01:40:24 BoogieIcfgContainer [2022-07-22 01:40:24,661 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 01:40:24,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 01:40:24,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 01:40:24,661 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 01:40:24,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:40:15" (3/4) ... [2022-07-22 01:40:24,663 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 01:40:24,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 01:40:24,663 INFO L158 Benchmark]: Toolchain (without parser) took 9407.68ms. Allocated memory was 81.8MB in the beginning and 188.7MB in the end (delta: 107.0MB). Free memory was 64.6MB in the beginning and 95.4MB in the end (delta: -30.8MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2022-07-22 01:40:24,663 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:40:24,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.15ms. Allocated memory is still 81.8MB. Free memory was 64.3MB in the beginning and 59.1MB in the end (delta: 5.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-07-22 01:40:24,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.11ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 57.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 01:40:24,664 INFO L158 Benchmark]: Boogie Preprocessor took 36.32ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 55.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:40:24,665 INFO L158 Benchmark]: RCFGBuilder took 268.91ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 45.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 01:40:24,665 INFO L158 Benchmark]: BuchiAutomizer took 8730.54ms. Allocated memory was 81.8MB in the beginning and 188.7MB in the end (delta: 107.0MB). Free memory was 45.2MB in the beginning and 95.4MB in the end (delta: -50.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-07-22 01:40:24,665 INFO L158 Benchmark]: Witness Printer took 2.10ms. Allocated memory is still 188.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:40:24,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.15ms. Allocated memory is still 81.8MB. Free memory was 64.3MB in the beginning and 59.1MB in the end (delta: 5.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.11ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 57.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.32ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 55.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.91ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 45.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 8730.54ms. Allocated memory was 81.8MB in the beginning and 188.7MB in the end (delta: 107.0MB). Free memory was 45.2MB in the beginning and 95.4MB in the end (delta: -50.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 2.10ms. Allocated memory is still 188.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[s1] and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[scanp] + -1 * scanp and consists of 3 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * scanp and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 7.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 179 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 91 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital218 mio100 ax108 hnf100 lsp89 ukn79 mio100 lsp32 div100 bol100 ite100 ukn100 eq197 hnf87 smp100 dnf103 smp100 tf100 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 66ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 56 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 01:40:24,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-07-22 01:40:24,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-07-22 01:40:25,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE