./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.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_cstrncat-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 16:33:34,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 16:33:34,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 16:33:34,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 16:33:34,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 16:33:34,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 16:33:34,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 16:33:34,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 16:33:34,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 16:33:34,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 16:33:34,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 16:33:34,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 16:33:34,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 16:33:34,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 16:33:34,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 16:33:34,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 16:33:34,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 16:33:34,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 16:33:34,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 16:33:34,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 16:33:34,944 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 16:33:34,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 16:33:34,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 16:33:34,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 16:33:34,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 16:33:34,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 16:33:34,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 16:33:34,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 16:33:34,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 16:33:34,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 16:33:34,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 16:33:34,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 16:33:34,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 16:33:34,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 16:33:34,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 16:33:34,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 16:33:34,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 16:33:34,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 16:33:34,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 16:33:34,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 16:33:34,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 16:33:34,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 16:33:34,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 16:33:34,989 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 16:33:34,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 16:33:34,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 16:33:34,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 16:33:34,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 16:33:34,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 16:33:34,992 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 16:33:34,992 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 16:33:34,992 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 16:33:34,993 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 16:33:34,993 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 16:33:34,993 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 16:33:34,993 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 16:33:34,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 16:33:34,993 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 16:33:34,995 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 16:33:34,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 16:33:34,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 16:33:34,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 16:33:34,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 16:33:34,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 16:33:34,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 16:33:34,996 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 16:33:34,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 16:33:34,996 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 16:33:34,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 16:33:34,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 16:33:34,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 16:33:34,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 16:33:34,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 16:33:34,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 16:33:34,998 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 16:33:34,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34885b99d6eef31987b044fabc3622fa239d5dff7e774ca124915f70431dc2b3 [2022-07-14 16:33:35,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 16:33:35,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 16:33:35,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 16:33:35,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 16:33:35,260 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 16:33:35,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2022-07-14 16:33:35,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d20ca64e/32dce4185efd43aa8b62601dcfcd8ac6/FLAG1a29b8710 [2022-07-14 16:33:35,740 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 16:33:35,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrncat-alloca-2.i [2022-07-14 16:33:35,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d20ca64e/32dce4185efd43aa8b62601dcfcd8ac6/FLAG1a29b8710 [2022-07-14 16:33:35,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d20ca64e/32dce4185efd43aa8b62601dcfcd8ac6 [2022-07-14 16:33:35,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 16:33:35,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 16:33:35,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 16:33:35,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 16:33:35,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 16:33:35,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:35" (1/1) ... [2022-07-14 16:33:35,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b68c470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:35, skipping insertion in model container [2022-07-14 16:33:35,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:35" (1/1) ... [2022-07-14 16:33:35,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 16:33:35,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 16:33:36,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:33:36,092 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 16:33:36,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:33:36,158 INFO L208 MainTranslator]: Completed translation [2022-07-14 16:33:36,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36 WrapperNode [2022-07-14 16:33:36,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 16:33:36,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 16:33:36,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 16:33:36,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 16:33:36,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,200 INFO L137 Inliner]: procedures = 117, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2022-07-14 16:33:36,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 16:33:36,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 16:33:36,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 16:33:36,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 16:33:36,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 16:33:36,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 16:33:36,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 16:33:36,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 16:33:36,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (1/1) ... [2022-07-14 16:33:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:36,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:36,271 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 16:33:36,273 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 16:33:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 16:33:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 16:33:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 16:33:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 16:33:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 16:33:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 16:33:36,408 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 16:33:36,416 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 16:33:36,651 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 16:33:36,656 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 16:33:36,667 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-14 16:33:36,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:33:36 BoogieIcfgContainer [2022-07-14 16:33:36,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 16:33:36,671 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 16:33:36,672 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 16:33:36,675 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 16:33:36,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:33:36,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 04:33:35" (1/3) ... [2022-07-14 16:33:36,678 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e7ec6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:33:36, skipping insertion in model container [2022-07-14 16:33:36,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:33:36,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:36" (2/3) ... [2022-07-14 16:33:36,678 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e7ec6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:33:36, skipping insertion in model container [2022-07-14 16:33:36,679 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:33:36,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:33:36" (3/3) ... [2022-07-14 16:33:36,680 INFO L354 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncat-alloca-2.i [2022-07-14 16:33:36,741 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 16:33:36,741 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 16:33:36,742 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 16:33:36,742 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 16:33:36,742 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 16:33:36,742 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 16:33:36,742 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 16:33:36,742 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 16:33:36,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 16:33:36,768 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2022-07-14 16:33:36,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:36,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:36,775 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-14 16:33:36,775 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:36,775 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 16:33:36,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 16:33:36,779 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2022-07-14 16:33:36,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:36,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:36,780 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-14 16:33:36,780 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:36,786 INFO L752 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 14#L534true assume !(main_~length1~0#1 < 1); 21#L534-2true assume !(main_~length2~0#1 < 1); 17#L537-1true assume !(main_~n~0#1 < 1); 3#L540-1true assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 23#L547-3true [2022-07-14 16:33:36,787 INFO L754 eck$LassoCheckResult]: Loop: 23#L547-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 13#L547-2true main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 23#L547-3true [2022-07-14 16:33:36,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:36,795 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2022-07-14 16:33:36,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:36,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745146700] [2022-07-14 16:33:36,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:36,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:36,955 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:36,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:36,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:36,999 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2022-07-14 16:33:36,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:36,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796748897] [2022-07-14 16:33:36,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:36,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:37,018 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:37,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:37,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2022-07-14 16:33:37,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:37,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320312299] [2022-07-14 16:33:37,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:37,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:37,076 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:37,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:37,484 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:37,485 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:37,485 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:37,485 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:37,486 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:33:37,486 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:37,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:37,486 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:37,486 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-2.i_Iteration1_Lasso [2022-07-14 16:33:37,486 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:37,487 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:37,505 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 16:33:37,510 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 16:33:37,512 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 16:33:37,516 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 16:33:37,519 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 16:33:37,521 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 16:33:37,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:37,526 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 16:33:37,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:37,532 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 16:33:37,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:37,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:37,540 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 16:33:37,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:37,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:37,742 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 16:33:37,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:37,977 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:37,980 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:33:37,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:37,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:37,983 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 16:33:37,992 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 16:33:37,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-14 16:33:38,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,036 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 16:33:38,037 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 16:33:38,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,076 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 16:33:38,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,078 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 16:33:38,080 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 16:33:38,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:38,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:38,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:38,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:38,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,150 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 16:33:38,152 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 16:33:38,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:38,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:38,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:38,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-07-14 16:33:38,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,218 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 16:33:38,218 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 16:33:38,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:38,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,256 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 16:33:38,256 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 16:33:38,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:38,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:38,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-14 16:33:38,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,311 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 16:33:38,313 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 16:33:38,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:38,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,358 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 16:33:38,359 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 16:33:38,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,398 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 16:33:38,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,400 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 16:33:38,401 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 16:33:38,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:38,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,437 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 16:33:38,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,438 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 16:33:38,439 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 16:33:38,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:38,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:38,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,486 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 16:33:38,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,488 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 16:33:38,491 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 16:33:38,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:38,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,537 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 16:33:38,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,538 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 16:33:38,539 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 16:33:38,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,579 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 16:33:38,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,581 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 16:33:38,582 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 16:33:38,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:38,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:38,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-07-14 16:33:38,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,634 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 16:33:38,635 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 16:33:38,637 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 16:33:38,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,670 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 16:33:38,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,677 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 16:33:38,678 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 16:33:38,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:38,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:38,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:38,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,724 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 16:33:38,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,726 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 16:33:38,727 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 16:33:38,728 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 16:33:38,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:38,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:38,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,778 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 16:33:38,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,780 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 16:33:38,781 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 16:33:38,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:38,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:38,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,828 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 16:33:38,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,832 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 16:33:38,834 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 16:33:38,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:38,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:38,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:38,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:38,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,886 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 16:33:38,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:38,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:38,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:38,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:38,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:38,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:38,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:38,909 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 16:33:38,922 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:33:38,943 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-07-14 16:33:38,943 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-07-14 16:33:38,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:38,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:38,947 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 16:33:38,948 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 16:33:38,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:33:38,977 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 16:33:38,977 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:33:38,978 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-07-14 16:33:39,013 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 16:33:39,026 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-14 16:33:39,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:39,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 16:33:39,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:39,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 16:33:39,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:39,125 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 16:33:39,156 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 16:33:39,158 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 16:33:39,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 64 states and 92 transitions. Complement of second has 7 states. [2022-07-14 16:33:39,213 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 16:33:39,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 16:33:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2022-07-14 16:33:39,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 64 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-14 16:33:39,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:39,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 64 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-14 16:33:39,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:39,222 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 64 transitions. Stem has 6 letters. Loop has 4 letters. [2022-07-14 16:33:39,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:39,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 92 transitions. [2022-07-14 16:33:39,230 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-07-14 16:33:39,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 20 states and 27 transitions. [2022-07-14 16:33:39,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-07-14 16:33:39,235 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-07-14 16:33:39,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2022-07-14 16:33:39,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:39,236 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-07-14 16:33:39,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2022-07-14 16:33:39,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-14 16:33:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 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 16:33:39,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2022-07-14 16:33:39,256 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-07-14 16:33:39,256 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-07-14 16:33:39,256 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 16:33:39,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2022-07-14 16:33:39,258 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-07-14 16:33:39,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:39,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:39,258 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:39,259 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:39,260 INFO L752 eck$LassoCheckResult]: Stem: 171#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 172#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 174#L534 assume !(main_~length1~0#1 < 1); 175#L534-2 assume !(main_~length2~0#1 < 1); 178#L537-1 assume !(main_~n~0#1 < 1); 164#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 165#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 183#L547-4 main_~i~1#1 := 0; 168#L552-3 [2022-07-14 16:33:39,260 INFO L754 eck$LassoCheckResult]: Loop: 168#L552-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1; 170#L552-2 main_#t~post15#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 168#L552-3 [2022-07-14 16:33:39,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:39,261 INFO L85 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2022-07-14 16:33:39,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:39,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253885279] [2022-07-14 16:33:39,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:39,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:39,351 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 16:33:39,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:33:39,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253885279] [2022-07-14 16:33:39,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253885279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:33:39,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:33:39,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 16:33:39,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143618971] [2022-07-14 16:33:39,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:33:39,356 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 16:33:39,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2022-07-14 16:33:39,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:39,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721210104] [2022-07-14 16:33:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:39,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:39,370 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:39,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:39,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:33:39,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 16:33:39,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 16:33:39,410 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 16:33:39,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:33:39,474 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2022-07-14 16:33:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 16:33:39,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2022-07-14 16:33:39,476 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-07-14 16:33:39,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 27 transitions. [2022-07-14 16:33:39,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-07-14 16:33:39,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-07-14 16:33:39,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-07-14 16:33:39,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:39,477 INFO L369 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-07-14 16:33:39,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-07-14 16:33:39,478 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 16:33:39,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-07-14 16:33:39,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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 16:33:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-07-14 16:33:39,479 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-14 16:33:39,479 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-14 16:33:39,479 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 16:33:39,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-07-14 16:33:39,480 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-07-14 16:33:39,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:39,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:39,480 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:39,480 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:39,480 INFO L752 eck$LassoCheckResult]: Stem: 219#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 220#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 227#L534 assume !(main_~length1~0#1 < 1); 228#L534-2 assume !(main_~length2~0#1 < 1); 231#L537-1 assume !(main_~n~0#1 < 1); 217#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 218#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 221#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 222#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 236#L547-4 main_~i~1#1 := 0; 223#L552-3 [2022-07-14 16:33:39,481 INFO L754 eck$LassoCheckResult]: Loop: 223#L552-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1; 225#L552-2 main_#t~post15#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 223#L552-3 [2022-07-14 16:33:39,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:39,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1713550361, now seen corresponding path program 1 times [2022-07-14 16:33:39,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:39,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394736363] [2022-07-14 16:33:39,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:39,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:39,499 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:39,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:39,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:39,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 2 times [2022-07-14 16:33:39,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:39,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355203052] [2022-07-14 16:33:39,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:39,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:39,521 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:39,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:39,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:39,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1749424059, now seen corresponding path program 1 times [2022-07-14 16:33:39,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:39,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029101719] [2022-07-14 16:33:39,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:39,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:39,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:39,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:33:39,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029101719] [2022-07-14 16:33:39,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029101719] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 16:33:39,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273111407] [2022-07-14 16:33:39,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:39,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 16:33:39,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:39,580 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 16:33:39,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-07-14 16:33:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:39,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:33:39,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:39,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 16:33:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:39,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273111407] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 16:33:39,769 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 16:33:39,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-07-14 16:33:39,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461597799] [2022-07-14 16:33:39,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 16:33:39,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:33:39,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 16:33:39,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-07-14 16:33:39,818 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:39,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:33:39,990 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2022-07-14 16:33:39,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 16:33:39,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2022-07-14 16:33:39,992 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 20 [2022-07-14 16:33:39,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 63 transitions. [2022-07-14 16:33:39,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2022-07-14 16:33:39,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2022-07-14 16:33:39,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 63 transitions. [2022-07-14 16:33:39,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:39,993 INFO L369 hiAutomatonCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-07-14 16:33:39,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 63 transitions. [2022-07-14 16:33:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 29. [2022-07-14 16:33:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 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 16:33:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2022-07-14 16:33:39,995 INFO L392 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2022-07-14 16:33:39,995 INFO L374 stractBuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2022-07-14 16:33:39,996 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-14 16:33:39,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2022-07-14 16:33:39,996 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-07-14 16:33:39,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:39,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:39,997 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:39,997 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:39,997 INFO L752 eck$LassoCheckResult]: Stem: 394#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 395#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 401#L534 assume !(main_~length1~0#1 < 1); 402#L534-2 assume !(main_~length2~0#1 < 1); 413#L537-1 assume !(main_~n~0#1 < 1); 392#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 393#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 420#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 419#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 418#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 417#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 416#L547-4 main_~i~1#1 := 0; 412#L552-3 [2022-07-14 16:33:39,997 INFO L754 eck$LassoCheckResult]: Loop: 412#L552-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1; 411#L552-2 main_#t~post15#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 412#L552-3 [2022-07-14 16:33:39,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:39,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1749479291, now seen corresponding path program 2 times [2022-07-14 16:33:39,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:39,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530734918] [2022-07-14 16:33:39,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:39,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:40,010 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:40,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:40,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:40,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 3 times [2022-07-14 16:33:40,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:40,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208936123] [2022-07-14 16:33:40,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:40,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:40,032 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:40,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:40,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:40,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1917387421, now seen corresponding path program 2 times [2022-07-14 16:33:40,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:40,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838245753] [2022-07-14 16:33:40,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:40,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:40,062 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:40,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:40,393 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:40,393 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:40,393 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:40,393 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:40,393 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:33:40,393 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:40,393 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:40,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:40,394 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-2.i_Iteration4_Lasso [2022-07-14 16:33:40,394 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:40,394 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:40,395 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 16:33:40,398 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 16:33:40,400 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 16:33:40,402 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 16:33:40,404 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 16:33:40,405 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 16:33:40,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:40,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:40,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:40,412 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 16:33:40,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:40,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:40,418 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 16:33:40,420 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 16:33:40,422 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 16:33:40,848 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:40,848 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:33:40,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:40,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:40,852 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 16:33:40,854 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 16:33:40,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:40,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:40,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:40,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:40,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:40,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:40,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:40,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:40,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:40,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:40,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:40,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:40,956 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 16:33:40,957 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 16:33:40,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:40,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:40,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:40,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:40,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:40,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:40,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:40,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,006 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 16:33:41,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,008 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 16:33:41,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:41,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:41,034 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 16:33:41,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:41,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,071 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 16:33:41,072 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 16:33:41,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:41,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:41,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:41,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,117 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 16:33:41,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,119 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 16:33:41,120 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 16:33:41,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:41,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:41,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:41,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,163 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 16:33:41,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,165 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 16:33:41,167 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 16:33:41,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:41,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:41,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,214 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 16:33:41,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,220 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 16:33:41,223 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 16:33:41,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:41,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:41,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:41,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,265 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 16:33:41,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,266 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 16:33:41,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:41,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:41,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:41,282 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 16:33:41,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,305 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 16:33:41,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,307 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 16:33:41,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:41,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:41,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:41,321 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 16:33:41,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,348 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 16:33:41,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,350 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 16:33:41,351 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 16:33:41,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:41,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:41,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:41,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,394 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:41,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-14 16:33:41,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:41,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:41,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:41,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:41,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:41,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,439 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:41,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-14 16:33:41,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:41,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:41,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:41,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:41,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,484 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:41,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-14 16:33:41,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:41,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:41,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:41,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:41,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,528 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:41,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-14 16:33:41,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:41,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:41,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:41,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,582 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:41,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-14 16:33:41,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:41,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:41,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:41,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:41,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,640 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:41,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-14 16:33:41,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:41,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:41,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:41,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:41,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,687 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:41,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-14 16:33:41,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:41,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:41,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:41,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:41,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:41,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:41,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,725 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:41,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:41,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:41,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:41,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:41,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:41,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:41,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:41,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-14 16:33:41,757 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:33:41,777 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-14 16:33:41,777 INFO L444 ModelExtractionUtils]: 27 out of 40 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-07-14 16:33:41,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:41,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:41,779 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:41,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-14 16:33:41,782 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:33:41,803 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 16:33:41,803 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:33:41,803 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2022-07-14 16:33:41,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-14 16:33:41,833 INFO L293 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2022-07-14 16:33:41,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:41,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 16:33:41,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:41,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 16:33:41,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:41,911 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 16:33:41,912 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 16:33:41,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:41,943 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 54 transitions. Complement of second has 6 states. [2022-07-14 16:33:41,944 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 16:33:41,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2022-07-14 16:33:41,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-14 16:33:41,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:41,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-14 16:33:41,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:41,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 12 letters. Loop has 4 letters. [2022-07-14 16:33:41,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:41,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 54 transitions. [2022-07-14 16:33:41,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-14 16:33:41,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 30 states and 40 transitions. [2022-07-14 16:33:41,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-07-14 16:33:41,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-07-14 16:33:41,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2022-07-14 16:33:41,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:41,951 INFO L369 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-07-14 16:33:41,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2022-07-14 16:33:41,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-07-14 16:33:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 29 states have internal predecessors, (40), 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 16:33:41,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2022-07-14 16:33:41,953 INFO L392 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-07-14 16:33:41,953 INFO L374 stractBuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-07-14 16:33:41,954 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-14 16:33:41,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 40 transitions. [2022-07-14 16:33:41,954 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-14 16:33:41,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:41,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:41,954 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:41,954 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:41,955 INFO L752 eck$LassoCheckResult]: Stem: 565#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 566#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 568#L534 assume !(main_~length1~0#1 < 1); 569#L534-2 assume main_~length2~0#1 < 1;main_~length2~0#1 := 1; 572#L537-1 assume !(main_~n~0#1 < 1); 557#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 558#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 559#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 560#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 578#L547-4 main_~i~1#1 := 0; 561#L552-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 562#L552-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset, cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~mem2#1, cstrncat_#t~post5#1.base, cstrncat_#t~post5#1.offset, cstrncat_#t~mem6#1, cstrncat_#t~post7#1.base, cstrncat_#t~post7#1.offset, cstrncat_#t~pre4#1, cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, cstrncat_~dst#1.base, cstrncat_~dst#1.offset, cstrncat_~src#1.base, cstrncat_~src#1.offset, cstrncat_~n#1;cstrncat_~dst#1.base, cstrncat_~dst#1.offset := cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset;cstrncat_~src#1.base, cstrncat_~src#1.offset := cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1; 567#L516 assume 0 != cstrncat_~n#1 % 4294967296;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_~dst#1.base, cstrncat_~dst#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~src#1.base, cstrncat_~src#1.offset; 573#L519-3 [2022-07-14 16:33:41,955 INFO L754 eck$LassoCheckResult]: Loop: 573#L519-3 call cstrncat_#t~mem2#1 := read~int(cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, 1); 574#L519-1 assume !!(0 != cstrncat_#t~mem2#1);havoc cstrncat_#t~mem2#1;cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset := cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_#t~post3#1.base, 1 + cstrncat_#t~post3#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset; 573#L519-3 [2022-07-14 16:33:41,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:41,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1209403751, now seen corresponding path program 1 times [2022-07-14 16:33:41,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:41,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063200733] [2022-07-14 16:33:41,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:41,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:41,972 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:41,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:41,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:41,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 1 times [2022-07-14 16:33:41,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:41,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079393466] [2022-07-14 16:33:41,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:41,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:41,991 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:41,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:41,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:41,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1699134462, now seen corresponding path program 1 times [2022-07-14 16:33:41,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:41,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040653217] [2022-07-14 16:33:41,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:41,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:42,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:42,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:33:42,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040653217] [2022-07-14 16:33:42,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040653217] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 16:33:42,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836268965] [2022-07-14 16:33:42,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:42,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 16:33:42,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:42,154 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 16:33:42,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-07-14 16:33:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:42,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 36 conjunts are in the unsatisfiable core [2022-07-14 16:33:42,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:42,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:42,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-14 16:33:42,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-07-14 16:33:42,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-07-14 16:33:42,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-14 16:33:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:42,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 16:33:42,466 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-14 16:33:42,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2022-07-14 16:33:42,471 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-14 16:33:42,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2022-07-14 16:33:42,475 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-14 16:33:42,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-14 16:33:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:42,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836268965] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 16:33:42,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 16:33:42,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 17 [2022-07-14 16:33:42,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245662714] [2022-07-14 16:33:42,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 16:33:42,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:33:42,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-14 16:33:42,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2022-07-14 16:33:42,650 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. cyclomatic complexity: 15 Second operand has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 18 states have internal predecessors, (32), 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 16:33:42,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:33:42,984 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2022-07-14 16:33:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 16:33:42,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 56 transitions. [2022-07-14 16:33:42,985 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-07-14 16:33:42,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 56 transitions. [2022-07-14 16:33:42,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2022-07-14 16:33:42,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2022-07-14 16:33:42,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2022-07-14 16:33:42,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:42,986 INFO L369 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-07-14 16:33:42,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2022-07-14 16:33:42,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38. [2022-07-14 16:33:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 37 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2022-07-14 16:33:42,989 INFO L392 hiAutomatonCegarLoop]: Abstraction has 38 states and 49 transitions. [2022-07-14 16:33:42,989 INFO L374 stractBuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2022-07-14 16:33:42,989 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-14 16:33:42,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 49 transitions. [2022-07-14 16:33:42,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-14 16:33:42,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:42,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:42,990 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:42,990 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:42,990 INFO L752 eck$LassoCheckResult]: Stem: 761#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 762#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet14#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post15#1, main_~i~1#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length2~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 764#L534 assume !(main_~length1~0#1 < 1); 765#L534-2 assume main_~length2~0#1 < 1;main_~length2~0#1 := 1; 773#L537-1 assume !(main_~n~0#1 < 1); 789#L540-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;main_~i~0#1 := 0; 776#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 755#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 756#L547-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 778#L547-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 777#L547-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 779#L547-4 main_~i~1#1 := 0; 757#L552-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 758#L552-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset, cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~mem2#1, cstrncat_#t~post5#1.base, cstrncat_#t~post5#1.offset, cstrncat_#t~mem6#1, cstrncat_#t~post7#1.base, cstrncat_#t~post7#1.offset, cstrncat_#t~pre4#1, cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, cstrncat_~dst#1.base, cstrncat_~dst#1.offset, cstrncat_~src#1.base, cstrncat_~src#1.offset, cstrncat_~n#1;cstrncat_~dst#1.base, cstrncat_~dst#1.offset := cstrncat_#in~dst#1.base, cstrncat_#in~dst#1.offset;cstrncat_~src#1.base, cstrncat_~src#1.offset := cstrncat_#in~src#1.base, cstrncat_#in~src#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1; 763#L516 assume 0 != cstrncat_~n#1 % 4294967296;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_~dst#1.base, cstrncat_~dst#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~src#1.base, cstrncat_~src#1.offset; 769#L519-3 [2022-07-14 16:33:42,990 INFO L754 eck$LassoCheckResult]: Loop: 769#L519-3 call cstrncat_#t~mem2#1 := read~int(cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset, 1); 770#L519-1 assume !!(0 != cstrncat_#t~mem2#1);havoc cstrncat_#t~mem2#1;cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset := cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset;cstrncat_~d~0#1.base, cstrncat_~d~0#1.offset := cstrncat_#t~post3#1.base, 1 + cstrncat_#t~post3#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset; 769#L519-3 [2022-07-14 16:33:42,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:42,991 INFO L85 PathProgramCache]: Analyzing trace with hash -948699273, now seen corresponding path program 2 times [2022-07-14 16:33:42,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:42,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281309650] [2022-07-14 16:33:42,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:42,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:43,005 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:43,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:43,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:43,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 2 times [2022-07-14 16:33:43,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:43,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232564520] [2022-07-14 16:33:43,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:43,038 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:43,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:43,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:43,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1166932644, now seen corresponding path program 2 times [2022-07-14 16:33:43,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:43,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685522343] [2022-07-14 16:33:43,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:43,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:43,059 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:43,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:44,002 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:44,002 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:44,002 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:44,002 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:44,002 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:33:44,002 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:44,002 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:44,002 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:44,002 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-2.i_Iteration6_Lasso [2022-07-14 16:33:44,002 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:44,002 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:44,006 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 16:33:44,013 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 16:33:44,015 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 16:33:44,022 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 16:33:44,023 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 16:33:44,025 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 16:33:44,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:44,028 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 16:33:44,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:44,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:44,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:44,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:44,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:44,038 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 16:33:44,040 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 16:33:44,048 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 16:33:44,049 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 16:33:44,051 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 16:33:44,493 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 16:33:44,495 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 16:33:44,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:44,497 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 16:33:44,499 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 16:33:44,501 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 16:33:44,503 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 16:33:44,505 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 16:33:44,506 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 16:33:44,507 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 16:33:44,995 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:44,995 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:33:44,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:44,997 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:44,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-14 16:33:45,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-07-14 16:33:45,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,027 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-14 16:33:45,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-14 16:33:45,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,062 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-14 16:33:45,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-07-14 16:33:45,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,100 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-14 16:33:45,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:45,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,139 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-14 16:33:45,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:45,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,169 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-14 16:33:45,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-07-14 16:33:45,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,202 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-14 16:33:45,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-14 16:33:45,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,233 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-14 16:33:45,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:45,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,274 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-14 16:33:45,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-07-14 16:33:45,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,306 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-14 16:33:45,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:45,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,358 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-14 16:33:45,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-14 16:33:45,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,391 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-14 16:33:45,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-07-14 16:33:45,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,427 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-14 16:33:45,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-07-14 16:33:45,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,465 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-14 16:33:45,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-14 16:33:45,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,506 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-14 16:33:45,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:45,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,539 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-14 16:33:45,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:45,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,584 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-14 16:33:45,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-07-14 16:33:45,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,624 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-14 16:33:45,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,633 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-14 16:33:45,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,636 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-07-14 16:33:45,636 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 16:33:45,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-07-14 16:33:45,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,679 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-14 16:33:45,681 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 16:33:45,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-07-14 16:33:45,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,720 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-14 16:33:45,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:45,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:45,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:45,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:45,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,766 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-14 16:33:45,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-07-14 16:33:45,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,812 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-14 16:33:45,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-07-14 16:33:45,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,857 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-14 16:33:45,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-07-14 16:33:45,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,890 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-14 16:33:45,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-07-14 16:33:45,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,919 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-14 16:33:45,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 16:33:45,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:45,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:45,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-07-14 16:33:45,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:45,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:45,963 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:45,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-14 16:33:45,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:45,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:45,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:45,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:45,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:45,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:45,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:46,000 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:33:46,078 INFO L443 ModelExtractionUtils]: Simplification made 42 calls to the SMT solver. [2022-07-14 16:33:46,078 INFO L444 ModelExtractionUtils]: 15 out of 61 variables were initially zero. Simplification set additionally 41 variables to zero. [2022-07-14 16:33:46,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:46,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:46,080 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:33:46,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-07-14 16:33:46,081 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:33:46,089 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-14 16:33:46,090 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:33:46,090 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncat_~d~0#1.offset, ULTIMATE.start_main_~length1~0#1) = -1*ULTIMATE.start_cstrncat_~d~0#1.offset + 1*ULTIMATE.start_main_~length1~0#1 Supporting invariants [1*ULTIMATE.start_main_~length1~0#1 - 1*v_rep(select #length ULTIMATE.start_cstrncat_~d~0#1.base)_1 >= 0] [2022-07-14 16:33:46,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:46,140 INFO L293 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-07-14 16:33:46,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:46,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-14 16:33:46,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:46,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:46,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 16:33:46,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-07-14 16:33:46,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-14 16:33:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:46,258 WARN L261 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:33:46,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:46,272 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 16:33:46,273 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-07-14 16:33:46,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:46,345 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 16. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 60 transitions. Complement of second has 8 states. [2022-07-14 16:33:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:33:46,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:33:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2022-07-14 16:33:46,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 15 letters. Loop has 2 letters. [2022-07-14 16:33:46,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:46,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 17 letters. Loop has 2 letters. [2022-07-14 16:33:46,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:46,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 15 letters. Loop has 4 letters. [2022-07-14 16:33:46,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:46,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 60 transitions. [2022-07-14 16:33:46,348 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:33:46,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2022-07-14 16:33:46,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 16:33:46,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 16:33:46,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 16:33:46,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:46,348 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:33:46,348 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:33:46,348 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:33:46,348 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-14 16:33:46,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 16:33:46,348 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:33:46,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 16:33:46,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 04:33:46 BoogieIcfgContainer [2022-07-14 16:33:46,354 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 16:33:46,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 16:33:46,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 16:33:46,355 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 16:33:46,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:33:36" (3/4) ... [2022-07-14 16:33:46,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 16:33:46,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 16:33:46,358 INFO L158 Benchmark]: Toolchain (without parser) took 10587.33ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 50.9MB in the beginning and 95.2MB in the end (delta: -44.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-07-14 16:33:46,358 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:33:46,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.54ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 62.9MB in the end (delta: -12.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-07-14 16:33:46,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.59ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 16:33:46,358 INFO L158 Benchmark]: Boogie Preprocessor took 39.11ms. Allocated memory is still 88.1MB. Free memory was 60.9MB in the beginning and 59.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:33:46,359 INFO L158 Benchmark]: RCFGBuilder took 429.48ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 47.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-14 16:33:46,359 INFO L158 Benchmark]: BuchiAutomizer took 9682.55ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 47.0MB in the beginning and 95.2MB in the end (delta: -48.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-07-14 16:33:46,359 INFO L158 Benchmark]: Witness Printer took 2.87ms. Allocated memory is still 142.6MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:33:46,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.54ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 62.9MB in the end (delta: -12.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.59ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.11ms. Allocated memory is still 88.1MB. Free memory was 60.9MB in the beginning and 59.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.48ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 47.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 9682.55ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 47.0MB in the beginning and 95.2MB in the end (delta: -48.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 2.87ms. Allocated memory is still 142.6MB. Free memory is still 95.2MB. 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 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function length1 + -1 * d and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.6s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 8.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 309 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 307 mSDsluCounter, 468 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 347 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 121 mSDtfsCounter, 282 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital171 mio100 ax111 hnf100 lsp84 ukn81 mio100 lsp57 div100 bol100 ite100 ukn100 eq173 hnf90 smp98 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 2 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 16:33:46,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2022-07-14 16:33:46,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-07-14 16:33:46,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE