./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 16:33:42,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 16:33:42,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 16:33:42,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 16:33:42,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 16:33:42,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 16:33:42,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 16:33:42,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 16:33:42,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 16:33:42,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 16:33:42,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 16:33:42,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 16:33:42,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 16:33:42,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 16:33:42,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 16:33:42,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 16:33:42,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 16:33:42,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 16:33:42,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 16:33:42,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 16:33:42,992 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 16:33:42,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 16:33:42,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 16:33:42,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 16:33:42,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 16:33:43,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 16:33:43,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 16:33:43,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 16:33:43,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 16:33:43,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 16:33:43,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 16:33:43,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 16:33:43,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 16:33:43,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 16:33:43,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 16:33:43,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 16:33:43,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 16:33:43,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 16:33:43,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 16:33:43,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 16:33:43,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 16:33:43,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 16:33:43,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 16:33:43,039 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 16:33:43,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 16:33:43,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 16:33:43,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 16:33:43,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 16:33:43,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 16:33:43,041 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 16:33:43,041 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 16:33:43,041 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 16:33:43,042 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 16:33:43,042 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 16:33:43,042 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 16:33:43,042 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 16:33:43,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 16:33:43,043 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 16:33:43,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 16:33:43,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 16:33:43,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 16:33:43,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 16:33:43,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 16:33:43,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 16:33:43,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 16:33:43,044 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 16:33:43,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 16:33:43,044 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 16:33:43,044 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 16:33:43,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 16:33:43,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 16:33:43,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 16:33:43,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 16:33:43,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 16:33:43,046 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 16:33:43,046 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b [2022-07-14 16:33:43,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 16:33:43,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 16:33:43,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 16:33:43,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 16:33:43,287 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 16:33:43,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2022-07-14 16:33:43,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b659474d/f70f812508f94565b5b20e5c756633e9/FLAG8db65d50b [2022-07-14 16:33:43,748 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 16:33:43,748 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2022-07-14 16:33:43,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b659474d/f70f812508f94565b5b20e5c756633e9/FLAG8db65d50b [2022-07-14 16:33:44,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b659474d/f70f812508f94565b5b20e5c756633e9 [2022-07-14 16:33:44,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 16:33:44,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 16:33:44,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 16:33:44,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 16:33:44,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 16:33:44,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706642a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44, skipping insertion in model container [2022-07-14 16:33:44,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 16:33:44,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 16:33:44,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:33:44,396 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 16:33:44,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:33:44,450 INFO L208 MainTranslator]: Completed translation [2022-07-14 16:33:44,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44 WrapperNode [2022-07-14 16:33:44,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 16:33:44,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 16:33:44,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 16:33:44,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 16:33:44,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,493 INFO L137 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-07-14 16:33:44,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 16:33:44,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 16:33:44,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 16:33:44,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 16:33:44,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 16:33:44,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 16:33:44,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 16:33:44,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 16:33:44,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (1/1) ... [2022-07-14 16:33:44,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:44,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:44,533 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) [2022-07-14 16:33:44,563 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 [2022-07-14 16:33:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 16:33:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 16:33:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 16:33:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 16:33:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 16:33:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 16:33:44,653 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 16:33:44,654 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 16:33:44,747 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 16:33:44,751 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 16:33:44,751 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 16:33:44,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:33:44 BoogieIcfgContainer [2022-07-14 16:33:44,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 16:33:44,753 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 16:33:44,753 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 16:33:44,755 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 16:33:44,755 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:33:44,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 04:33:44" (1/3) ... [2022-07-14 16:33:44,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@372ace88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:33:44, skipping insertion in model container [2022-07-14 16:33:44,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:33:44,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:44" (2/3) ... [2022-07-14 16:33:44,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@372ace88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:33:44, skipping insertion in model container [2022-07-14 16:33:44,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:33:44,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:33:44" (3/3) ... [2022-07-14 16:33:44,758 INFO L354 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrnlen-alloca-1.i [2022-07-14 16:33:44,795 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 16:33:44,795 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 16:33:44,795 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 16:33:44,795 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 16:33:44,795 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 16:33:44,795 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 16:33:44,796 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 16:33:44,796 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 16:33:44,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:44,811 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-14 16:33:44,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:44,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:44,815 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 16:33:44,815 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:44,815 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 16:33:44,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:44,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-14 16:33:44,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:44,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:44,817 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 16:33:44,817 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:44,822 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 12#L524true assume !(main_~length1~0#1 < 1); 15#L524-2true assume !(main_~n~0#1 < 1); 5#L527-1true 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;main_~i~0#1 := 0; 14#L532-3true [2022-07-14 16:33:44,822 INFO L754 eck$LassoCheckResult]: Loop: 14#L532-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 6#L532-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14#L532-3true [2022-07-14 16:33:44,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:44,826 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-07-14 16:33:44,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:44,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243165885] [2022-07-14 16:33:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:44,908 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:44,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:44,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:44,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-07-14 16:33:44,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:44,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95106020] [2022-07-14 16:33:44,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:44,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:44,973 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:44,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:44,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:44,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-07-14 16:33:44,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:44,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399485817] [2022-07-14 16:33:44,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:44,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:45,019 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:45,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:45,260 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:45,261 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:45,261 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:45,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:45,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:33:45,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:45,262 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:45,262 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrnlen-alloca-1.i_Iteration1_Lasso [2022-07-14 16:33:45,262 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:45,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:45,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:45,538 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:45,541 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:33:45,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,544 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) [2022-07-14 16:33:45,555 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 [2022-07-14 16:33:45,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,596 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 [2022-07-14 16:33:45,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,598 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) [2022-07-14 16:33:45,599 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 [2022-07-14 16:33:45,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,641 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 [2022-07-14 16:33:45,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,643 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) [2022-07-14 16:33:45,644 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 [2022-07-14 16:33:45,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-14 16:33:45,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,701 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) [2022-07-14 16:33:45,702 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 [2022-07-14 16:33:45,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,730 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 [2022-07-14 16:33:45,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,731 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) [2022-07-14 16:33:45,732 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 [2022-07-14 16:33:45,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,776 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 [2022-07-14 16:33:45,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,779 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) [2022-07-14 16:33:45,780 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 [2022-07-14 16:33:45,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,839 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 [2022-07-14 16:33:45,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,841 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) [2022-07-14 16:33:45,842 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 [2022-07-14 16:33:45,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-14 16:33:45,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,880 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) [2022-07-14 16:33:45,881 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 [2022-07-14 16:33:45,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:33:45,972 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-07-14 16:33:45,972 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-07-14 16:33:45,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,982 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) [2022-07-14 16:33:46,019 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:33:46,027 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 [2022-07-14 16:33:46,037 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 16:33:46,037 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:33:46,037 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_main_~nondetString1~0#1.offset, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_main_~nondetString1~0#1.offset - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-07-14 16:33:46,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:46,073 INFO L293 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-07-14 16:33:46,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:46,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 16:33:46,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:46,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 16:33:46,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:46,201 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 [2022-07-14 16:33:46,202 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:46,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 53 transitions. Complement of second has 7 states. [2022-07-14 16:33:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:33:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-07-14 16:33:46,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-14 16:33:46,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:46,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-14 16:33:46,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:46,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-14 16:33:46,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:46,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2022-07-14 16:33:46,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-14 16:33:46,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 13 states and 18 transitions. [2022-07-14 16:33:46,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-14 16:33:46,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-14 16:33:46,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-07-14 16:33:46,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:46,275 INFO L369 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-14 16:33:46,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-07-14 16:33:46,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-07-14 16:33:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-07-14 16:33:46,291 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-14 16:33:46,291 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-14 16:33:46,291 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 16:33:46,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-07-14 16:33:46,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-14 16:33:46,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:46,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:46,292 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:46,293 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-14 16:33:46,293 INFO L752 eck$LassoCheckResult]: Stem: 118#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 119#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~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 116#L524 assume !(main_~length1~0#1 < 1); 117#L524-2 assume !(main_~n~0#1 < 1); 120#L527-1 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;main_~i~0#1 := 0; 121#L532-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 124#L532-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset, cstrnlen_#t~post3#1, cstrnlen_#t~mem4#1, cstrnlen_#t~short5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset; 125#L517-6 [2022-07-14 16:33:46,293 INFO L754 eck$LassoCheckResult]: Loop: 125#L517-6 cstrnlen_#t~short5#1 := 0 != cstrnlen_~maxlen#1 % 4294967296; 128#L517-1 assume cstrnlen_#t~short5#1;call cstrnlen_#t~mem4#1 := read~int(cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset, 1);cstrnlen_#t~short5#1 := 0 != cstrnlen_#t~mem4#1; 126#L517-3 assume !!cstrnlen_#t~short5#1;havoc cstrnlen_#t~mem4#1;havoc cstrnlen_#t~short5#1; 127#L517-5 cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post2#1.base, 1 + cstrnlen_#t~post2#1.offset;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset;cstrnlen_#t~post3#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post3#1 - 1;havoc cstrnlen_#t~post3#1; 125#L517-6 [2022-07-14 16:33:46,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:46,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-07-14 16:33:46,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:46,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59026008] [2022-07-14 16:33:46,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:46,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,311 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:46,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:46,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1942630, now seen corresponding path program 1 times [2022-07-14 16:33:46,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:46,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78660683] [2022-07-14 16:33:46,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:46,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,330 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:46,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:46,336 INFO L85 PathProgramCache]: Analyzing trace with hash -2087826349, now seen corresponding path program 1 times [2022-07-14 16:33:46,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:46,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315463807] [2022-07-14 16:33:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:46,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:46,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:33:46,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315463807] [2022-07-14 16:33:46,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315463807] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:33:46,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:33:46,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 16:33:46,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59193888] [2022-07-14 16:33:46,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:33:46,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:33:46,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 16:33:46,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 16:33:46,526 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-07-14 16:33:46,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:33:46,574 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-07-14 16:33:46,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 16:33:46,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-07-14 16:33:46,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-14 16:33:46,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2022-07-14 16:33:46,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-07-14 16:33:46,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-14 16:33:46,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-07-14 16:33:46,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:46,577 INFO L369 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-07-14 16:33:46,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-07-14 16:33:46,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-07-14 16:33:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-07-14 16:33:46,578 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-14 16:33:46,578 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-14 16:33:46,578 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 16:33:46,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2022-07-14 16:33:46,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-14 16:33:46,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:46,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:46,579 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:46,579 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-14 16:33:46,580 INFO L752 eck$LassoCheckResult]: Stem: 168#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 169#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~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 166#L524 assume !(main_~length1~0#1 < 1); 167#L524-2 assume !(main_~n~0#1 < 1); 170#L527-1 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;main_~i~0#1 := 0; 171#L532-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 172#L532-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 173#L532-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 174#L532-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset, cstrnlen_#t~post3#1, cstrnlen_#t~mem4#1, cstrnlen_#t~short5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset; 175#L517-6 [2022-07-14 16:33:46,580 INFO L754 eck$LassoCheckResult]: Loop: 175#L517-6 cstrnlen_#t~short5#1 := 0 != cstrnlen_~maxlen#1 % 4294967296; 176#L517-1 assume cstrnlen_#t~short5#1;call cstrnlen_#t~mem4#1 := read~int(cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset, 1);cstrnlen_#t~short5#1 := 0 != cstrnlen_#t~mem4#1; 177#L517-3 assume !!cstrnlen_#t~short5#1;havoc cstrnlen_#t~mem4#1;havoc cstrnlen_#t~short5#1; 178#L517-5 cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post2#1.base, 1 + cstrnlen_#t~post2#1.offset;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset;cstrnlen_#t~post3#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post3#1 - 1;havoc cstrnlen_#t~post3#1; 175#L517-6 [2022-07-14 16:33:46,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:46,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2022-07-14 16:33:46,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:46,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937921383] [2022-07-14 16:33:46,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,592 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:46,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:46,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1942630, now seen corresponding path program 2 times [2022-07-14 16:33:46,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:46,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554588860] [2022-07-14 16:33:46,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:46,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,618 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:46,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:46,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1066138571, now seen corresponding path program 1 times [2022-07-14 16:33:46,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:46,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278127887] [2022-07-14 16:33:46,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:46,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,638 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:46,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:46,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:46,951 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:46,951 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:46,951 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:46,951 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:46,951 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:33:46,951 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:46,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:46,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:46,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrnlen-alloca-1.i_Iteration3_Lasso [2022-07-14 16:33:46,951 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:46,951 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:46,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:46,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:47,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:47,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:47,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:47,441 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:47,442 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:33:47,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,456 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) [2022-07-14 16:33:47,458 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 [2022-07-14 16:33:47,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:47,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:47,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:47,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,529 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 [2022-07-14 16:33:47,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,531 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) [2022-07-14 16:33:47,533 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 [2022-07-14 16:33:47,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:47,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:47,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:47,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,574 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 [2022-07-14 16:33:47,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,576 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) [2022-07-14 16:33:47,595 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 [2022-07-14 16:33:47,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:47,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:47,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:47,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:47,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,635 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) [2022-07-14 16:33:47,637 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 [2022-07-14 16:33:47,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:47,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:47,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,677 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 [2022-07-14 16:33:47,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,678 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) [2022-07-14 16:33:47,679 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 [2022-07-14 16:33:47,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:47,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:47,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,724 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 [2022-07-14 16:33:47,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,726 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) [2022-07-14 16:33:47,727 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 [2022-07-14 16:33:47,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:47,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:47,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,767 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 [2022-07-14 16:33:47,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,769 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) [2022-07-14 16:33:47,770 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 [2022-07-14 16:33:47,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:47,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:47,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:47,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:47,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,796 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) [2022-07-14 16:33:47,798 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 [2022-07-14 16:33:47,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:47,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:47,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:47,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,839 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) [2022-07-14 16:33:47,840 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 [2022-07-14 16:33:47,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:47,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:47,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:47,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-07-14 16:33:47,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,905 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) [2022-07-14 16:33:47,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:47,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:47,921 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 [2022-07-14 16:33:47,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:47,961 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 [2022-07-14 16:33:47,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:47,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:47,963 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) [2022-07-14 16:33:47,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:47,990 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 [2022-07-14 16:33:47,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:47,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:47,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:47,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:47,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:47,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:47,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:48,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,040 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 [2022-07-14 16:33:48,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,042 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) [2022-07-14 16:33:48,043 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 [2022-07-14 16:33:48,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:48,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:48,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:48,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:48,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:48,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,068 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 [2022-07-14 16:33:48,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,070 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) [2022-07-14 16:33:48,071 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 [2022-07-14 16:33:48,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:48,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:48,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:48,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:48,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:48,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-14 16:33:48,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,097 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) [2022-07-14 16:33:48,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:48,102 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 [2022-07-14 16:33:48,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:48,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:48,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:48,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:48,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,125 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 [2022-07-14 16:33:48,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,127 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) [2022-07-14 16:33:48,129 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 [2022-07-14 16:33:48,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:48,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:48,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:48,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:48,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:48,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-14 16:33:48,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,162 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) [2022-07-14 16:33:48,164 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 [2022-07-14 16:33:48,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:48,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:48,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:48,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:48,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,211 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 [2022-07-14 16:33:48,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,213 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) [2022-07-14 16:33:48,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:48,228 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 [2022-07-14 16:33:48,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:48,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:48,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:48,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,293 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 [2022-07-14 16:33:48,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,308 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) [2022-07-14 16:33:48,309 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 [2022-07-14 16:33:48,317 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 [2022-07-14 16:33:48,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,323 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-14 16:33:48,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,326 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-07-14 16:33:48,326 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 16:33:48,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,376 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 [2022-07-14 16:33:48,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,384 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) [2022-07-14 16:33:48,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:48,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:48,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,402 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 [2022-07-14 16:33:48,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:48,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:48,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,441 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 [2022-07-14 16:33:48,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,443 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) [2022-07-14 16:33:48,444 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 [2022-07-14 16:33:48,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:48,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:48,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:48,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:48,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:48,483 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 [2022-07-14 16:33:48,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,485 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:48,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-14 16:33:48,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:48,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:48,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:48,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:48,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:48,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:48,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:48,542 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:33:48,581 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-07-14 16:33:48,581 INFO L444 ModelExtractionUtils]: 18 out of 31 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-07-14 16:33:48,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:48,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:48,583 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) [2022-07-14 16:33:48,601 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:33:48,609 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 [2022-07-14 16:33:48,619 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 16:33:48,619 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:33:48,619 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrnlen_~cp~0#1.offset, v_rep(select #length ULTIMATE.start_cstrnlen_~cp~0#1.base)_1) = -1*ULTIMATE.start_cstrnlen_~cp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrnlen_~cp~0#1.base)_1 Supporting invariants [] [2022-07-14 16:33:48,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:48,649 INFO L293 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-07-14 16:33:48,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:48,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 16:33:48,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:48,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 16:33:48,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:48,719 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 [2022-07-14 16:33:48,720 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-07-14 16:33:48,735 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Result 17 states and 21 transitions. Complement of second has 6 states. [2022-07-14 16:33:48,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:33:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-07-14 16:33:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-07-14 16:33:48,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2022-07-14 16:33:48,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:48,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 13 letters. Loop has 4 letters. [2022-07-14 16:33:48,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:48,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 9 letters. Loop has 8 letters. [2022-07-14 16:33:48,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:48,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2022-07-14 16:33:48,740 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:33:48,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2022-07-14 16:33:48,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 16:33:48,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 16:33:48,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 16:33:48,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:48,741 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:33:48,741 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:33:48,741 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:33:48,741 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-14 16:33:48,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 16:33:48,741 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:33:48,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 16:33:48,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 04:33:48 BoogieIcfgContainer [2022-07-14 16:33:48,754 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 16:33:48,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 16:33:48,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 16:33:48,755 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 16:33:48,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:33:44" (3/4) ... [2022-07-14 16:33:48,758 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 16:33:48,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 16:33:48,759 INFO L158 Benchmark]: Toolchain (without parser) took 4610.33ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 65.0MB in the beginning and 56.5MB in the end (delta: 8.5MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-07-14 16:33:48,759 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:33:48,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.15ms. Allocated memory is still 88.1MB. Free memory was 64.8MB in the beginning and 57.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 16:33:48,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.63ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 55.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 16:33:48,760 INFO L158 Benchmark]: Boogie Preprocessor took 15.52ms. Allocated memory is still 88.1MB. Free memory was 55.7MB in the beginning and 54.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:33:48,760 INFO L158 Benchmark]: RCFGBuilder took 242.54ms. Allocated memory is still 88.1MB. Free memory was 54.5MB in the beginning and 44.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 16:33:48,760 INFO L158 Benchmark]: BuchiAutomizer took 4001.24ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.1MB in the beginning and 57.3MB in the end (delta: -13.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-07-14 16:33:48,761 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 107.0MB. Free memory was 57.3MB in the beginning and 56.5MB in the end (delta: 816.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:33:48,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.15ms. Allocated memory is still 88.1MB. Free memory was 64.8MB in the beginning and 57.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.63ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 55.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.52ms. Allocated memory is still 88.1MB. Free memory was 55.7MB in the beginning and 54.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 242.54ms. Allocated memory is still 88.1MB. Free memory was 54.5MB in the beginning and 44.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4001.24ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.1MB in the beginning and 57.3MB in the end (delta: -13.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 107.0MB. Free memory was 57.3MB in the beginning and 56.5MB in the end (delta: 816.1kB). 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + -1 * nondetString1 + unknown-#length-unknown[nondetString1] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[cp] + -1 * cp and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 39 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital123 mio100 ax115 hnf100 lsp74 ukn90 mio100 lsp53 div102 bol100 ite100 ukn100 eq173 hnf90 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 3 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2022-07-14 16:33:48,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-14 16:33:49,001 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