./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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/cstrncmp-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 16:04:34,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 16:04:34,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 16:04:35,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 16:04:35,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 16:04:35,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 16:04:35,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 16:04:35,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 16:04:35,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 16:04:35,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 16:04:35,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 16:04:35,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 16:04:35,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 16:04:35,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 16:04:35,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 16:04:35,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 16:04:35,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 16:04:35,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 16:04:35,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 16:04:35,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 16:04:35,041 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 16:04:35,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 16:04:35,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 16:04:35,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 16:04:35,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 16:04:35,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 16:04:35,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 16:04:35,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 16:04:35,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 16:04:35,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 16:04:35,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 16:04:35,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 16:04:35,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 16:04:35,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 16:04:35,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 16:04:35,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 16:04:35,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 16:04:35,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 16:04:35,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 16:04:35,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 16:04:35,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 16:04:35,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 16:04:35,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 16:04:35,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 16:04:35,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 16:04:35,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 16:04:35,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 16:04:35,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 16:04:35,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 16:04:35,099 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 16:04:35,099 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 16:04:35,100 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 16:04:35,100 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 16:04:35,101 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 16:04:35,101 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 16:04:35,101 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 16:04:35,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 16:04:35,101 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 16:04:35,102 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 16:04:35,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 16:04:35,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 16:04:35,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 16:04:35,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 16:04:35,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 16:04:35,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 16:04:35,104 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 16:04:35,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 16:04:35,104 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 16:04:35,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 16:04:35,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 16:04:35,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 16:04:35,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 16:04:35,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 16:04:35,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 16:04:35,107 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 16:04:35,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 [2022-07-23 16:04:35,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 16:04:35,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 16:04:35,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 16:04:35,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 16:04:35,361 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 16:04:35,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-07-23 16:04:35,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47896c09d/e133d50650cd43cda6d622a88c670ca8/FLAG51e5277e3 [2022-07-23 16:04:35,881 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 16:04:35,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-07-23 16:04:35,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47896c09d/e133d50650cd43cda6d622a88c670ca8/FLAG51e5277e3 [2022-07-23 16:04:35,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47896c09d/e133d50650cd43cda6d622a88c670ca8 [2022-07-23 16:04:35,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 16:04:35,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 16:04:35,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 16:04:35,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 16:04:35,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 16:04:35,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:04:35" (1/1) ... [2022-07-23 16:04:35,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7323c702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:35, skipping insertion in model container [2022-07-23 16:04:35,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:04:35" (1/1) ... [2022-07-23 16:04:35,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 16:04:35,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 16:04:36,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 16:04:36,215 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 16:04:36,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 16:04:36,273 INFO L208 MainTranslator]: Completed translation [2022-07-23 16:04:36,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36 WrapperNode [2022-07-23 16:04:36,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 16:04:36,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 16:04:36,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 16:04:36,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 16:04:36,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,328 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-07-23 16:04:36,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 16:04:36,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 16:04:36,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 16:04:36,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 16:04:36,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 16:04:36,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 16:04:36,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 16:04:36,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 16:04:36,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (1/1) ... [2022-07-23 16:04:36,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:36,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:36,391 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) [2022-07-23 16:04:36,392 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 [2022-07-23 16:04:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 16:04:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 16:04:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 16:04:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 16:04:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 16:04:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 16:04:36,547 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 16:04:36,549 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 16:04:36,749 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 16:04:36,754 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 16:04:36,755 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-23 16:04:36,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:04:36 BoogieIcfgContainer [2022-07-23 16:04:36,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 16:04:36,757 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 16:04:36,757 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 16:04:36,761 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 16:04:36,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 16:04:36,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 04:04:35" (1/3) ... [2022-07-23 16:04:36,769 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3447c59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 04:04:36, skipping insertion in model container [2022-07-23 16:04:36,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 16:04:36,769 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:04:36" (2/3) ... [2022-07-23 16:04:36,770 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3447c59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 04:04:36, skipping insertion in model container [2022-07-23 16:04:36,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 16:04:36,770 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:04:36" (3/3) ... [2022-07-23 16:04:36,771 INFO L354 chiAutomizerObserver]: Analyzing ICFG cstrncmp-alloca-1.i [2022-07-23 16:04:36,827 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 16:04:36,828 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 16:04:36,828 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 16:04:36,828 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 16:04:36,828 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 16:04:36,828 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 16:04:36,828 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 16:04:36,828 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 16:04:36,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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) [2022-07-23 16:04:36,852 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-23 16:04:36,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:04:36,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:04:36,865 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 16:04:36,865 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 16:04:36,865 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 16:04:36,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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) [2022-07-23 16:04:36,870 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-23 16:04:36,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:04:36,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:04:36,871 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-23 16:04:36,871 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 16:04:36,877 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 9#L532true assume !(main_~length1~0#1 < 1); 5#L532-2true assume !(main_~length2~0#1 < 1); 2#L535-1true call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 21#L541-3true [2022-07-23 16:04:36,877 INFO L754 eck$LassoCheckResult]: Loop: 21#L541-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet18#1; 24#L541-2true main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 21#L541-3true [2022-07-23 16:04:36,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:36,885 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-07-23 16:04:36,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:36,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838539386] [2022-07-23 16:04:36,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:36,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:37,011 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:37,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:37,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:37,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-07-23 16:04:37,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:37,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429874079] [2022-07-23 16:04:37,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:37,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:37,108 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:37,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:37,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:37,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-07-23 16:04:37,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:37,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581055469] [2022-07-23 16:04:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:37,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:37,170 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:37,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:37,506 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 16:04:37,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 16:04:37,507 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 16:04:37,507 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 16:04:37,507 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 16:04:37,507 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:37,507 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 16:04:37,507 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 16:04:37,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration1_Lasso [2022-07-23 16:04:37,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 16:04:37,508 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 16:04:37,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:37,962 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 16:04:37,965 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 16:04:37,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:37,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:37,971 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) [2022-07-23 16:04:37,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:37,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:37,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:37,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:37,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:37,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:37,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:37,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:37,997 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 [2022-07-23 16:04:38,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,032 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 [2022-07-23 16:04:38,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,034 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) [2022-07-23 16:04:38,035 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 [2022-07-23 16:04:38,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:38,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:38,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:38,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,081 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 [2022-07-23 16:04:38,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,085 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) [2022-07-23 16:04:38,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:38,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:38,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:38,103 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 [2022-07-23 16:04:38,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-23 16:04:38,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,124 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) [2022-07-23 16:04:38,129 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 [2022-07-23 16:04:38,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:38,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:38,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:38,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,177 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) [2022-07-23 16:04:38,178 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 [2022-07-23 16:04:38,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:38,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:38,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:38,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-23 16:04:38,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,216 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) [2022-07-23 16:04:38,217 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 [2022-07-23 16:04:38,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:38,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:38,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:38,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,256 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) [2022-07-23 16:04:38,257 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 [2022-07-23 16:04:38,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:38,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:38,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:38,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,286 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 [2022-07-23 16:04:38,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,287 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) [2022-07-23 16:04:38,288 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 [2022-07-23 16:04:38,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:38,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:38,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,349 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 [2022-07-23 16:04:38,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,351 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) [2022-07-23 16:04:38,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:38,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:38,373 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 [2022-07-23 16:04:38,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,413 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 [2022-07-23 16:04:38,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,415 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) [2022-07-23 16:04:38,424 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 [2022-07-23 16:04:38,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:38,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:38,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:38,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:38,450 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 [2022-07-23 16:04:38,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,451 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) [2022-07-23 16:04:38,452 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 [2022-07-23 16:04:38,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:38,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:38,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:38,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:38,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:38,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:38,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:38,525 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 16:04:38,545 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-23 16:04:38,545 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-07-23 16:04:38,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:38,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:38,548 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) [2022-07-23 16:04:38,620 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 [2022-07-23 16:04:38,620 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 16:04:38,638 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 16:04:38,639 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 16:04:38,639 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 [] [2022-07-23 16:04:38,658 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 [2022-07-23 16:04:38,687 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-23 16:04:38,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:38,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 16:04:38,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:04:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:38,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 16:04:38,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:04:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 16:04:38,820 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 [2022-07-23 16:04:38,821 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:38,861 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 91 transitions. Complement of second has 7 states. [2022-07-23 16:04:38,862 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 [2022-07-23 16:04:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2022-07-23 16:04:38,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-23 16:04:38,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:38,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 16:04:38,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:38,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-23 16:04:38,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:38,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 91 transitions. [2022-07-23 16:04:38,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 16:04:38,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 18 states and 25 transitions. [2022-07-23 16:04:38,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-23 16:04:38,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-07-23 16:04:38,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-07-23 16:04:38,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:04:38,878 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-07-23 16:04:38,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-07-23 16:04:38,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-07-23 16:04:38,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:38,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-07-23 16:04:38,899 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-07-23 16:04:38,899 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-07-23 16:04:38,899 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 16:04:38,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-07-23 16:04:38,900 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 16:04:38,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:04:38,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:04:38,901 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 16:04:38,901 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 16:04:38,901 INFO L752 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 166#L532 assume !(main_~length1~0#1 < 1); 160#L532-2 assume !(main_~length2~0#1 < 1); 156#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 157#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 167#L541-4 main_~i~1#1 := 0; 163#L546-3 [2022-07-23 16:04:38,901 INFO L754 eck$LassoCheckResult]: Loop: 163#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet20#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet20#1; 165#L546-2 main_#t~post19#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 163#L546-3 [2022-07-23 16:04:38,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:38,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-07-23 16:04:38,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:38,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269352604] [2022-07-23 16:04:38,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:38,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:38,912 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:38,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:38,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:38,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-07-23 16:04:38,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:38,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084096587] [2022-07-23 16:04:38,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:38,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:38,928 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:38,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:38,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:38,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-07-23 16:04:38,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:38,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706809292] [2022-07-23 16:04:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:38,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:38,945 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:38,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:38,998 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 [2022-07-23 16:04:39,200 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 16:04:39,201 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 16:04:39,201 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 16:04:39,201 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 16:04:39,201 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 16:04:39,201 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:39,201 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 16:04:39,201 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 16:04:39,201 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration2_Lasso [2022-07-23 16:04:39,201 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 16:04:39,202 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 16:04:39,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:39,596 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 16:04:39,596 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 16:04:39,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:39,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:39,604 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) [2022-07-23 16:04:39,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:39,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:39,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:39,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:39,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:39,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:39,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:39,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:39,622 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 [2022-07-23 16:04:39,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:39,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:39,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:39,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:39,656 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) [2022-07-23 16:04:39,657 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 [2022-07-23 16:04:39,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:39,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:39,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:39,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:39,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:39,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:39,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:39,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:39,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:39,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:39,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:39,714 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) [2022-07-23 16:04:39,716 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 [2022-07-23 16:04:39,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:39,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:39,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:39,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:39,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:39,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:39,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:39,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:39,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:39,761 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 [2022-07-23 16:04:39,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:39,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:39,763 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) [2022-07-23 16:04:39,764 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 [2022-07-23 16:04:39,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:39,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:39,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:39,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:39,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:39,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:39,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:39,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:39,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:39,816 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 [2022-07-23 16:04:39,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:39,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:39,819 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) [2022-07-23 16:04:39,823 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 [2022-07-23 16:04:39,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:39,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:39,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:39,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:39,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:39,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:39,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:39,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:39,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-07-23 16:04:39,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:39,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:39,876 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) [2022-07-23 16:04:39,879 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 [2022-07-23 16:04:39,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:39,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:39,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:39,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:39,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:39,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:39,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:39,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:39,926 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 [2022-07-23 16:04:39,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:39,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:39,927 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) [2022-07-23 16:04:39,930 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 [2022-07-23 16:04:39,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:39,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:39,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:39,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:39,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:39,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:39,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:39,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:39,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:39,954 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 [2022-07-23 16:04:39,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:39,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:39,955 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) [2022-07-23 16:04:39,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:39,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:39,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:39,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:39,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:39,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:39,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:39,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:39,976 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 [2022-07-23 16:04:39,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,017 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 [2022-07-23 16:04:40,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,018 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:40,023 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 [2022-07-23 16:04:40,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:40,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:40,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:40,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-23 16:04:40,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-23 16:04:40,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,070 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:40,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-23 16:04:40,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:40,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:40,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-23 16:04:40,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,109 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) [2022-07-23 16:04:40,110 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 [2022-07-23 16:04:40,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:40,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:40,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:40,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,135 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 [2022-07-23 16:04:40,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,136 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) [2022-07-23 16:04:40,137 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 [2022-07-23 16:04:40,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:40,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:40,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:40,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-23 16:04:40,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,162 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:40,162 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 [2022-07-23 16:04:40,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:40,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:40,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-23 16:04:40,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,191 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) [2022-07-23 16:04:40,191 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 [2022-07-23 16:04:40,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:40,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:40,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,236 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 [2022-07-23 16:04:40,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,237 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) [2022-07-23 16:04:40,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,248 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 [2022-07-23 16:04:40,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:40,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:40,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-23 16:04:40,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,287 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) [2022-07-23 16:04:40,288 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 [2022-07-23 16:04:40,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:40,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:40,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:40,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-23 16:04:40,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,321 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) [2022-07-23 16:04:40,322 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 [2022-07-23 16:04:40,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:40,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:40,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-23 16:04:40,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,352 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) [2022-07-23 16:04:40,353 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 [2022-07-23 16:04:40,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:40,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:40,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-23 16:04:40,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,401 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) [2022-07-23 16:04:40,401 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 [2022-07-23 16:04:40,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:40,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:40,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-23 16:04:40,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,453 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) [2022-07-23 16:04:40,454 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 [2022-07-23 16:04:40,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:40,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:40,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:40,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-23 16:04:40,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,499 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) [2022-07-23 16:04:40,500 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 [2022-07-23 16:04:40,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:40,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:40,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:40,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:40,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:40,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:40,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:40,518 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 16:04:40,530 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-23 16:04:40,530 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-07-23 16:04:40,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:40,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:40,535 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) [2022-07-23 16:04:40,535 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 [2022-07-23 16:04:40,536 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 16:04:40,543 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 16:04:40,543 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 16:04:40,543 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [] [2022-07-23 16:04:40,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-23 16:04:40,576 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-23 16:04:40,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:40,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 16:04:40,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:04:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:40,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 16:04:40,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:04:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 16:04:40,630 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 [2022-07-23 16:04:40,630 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:40,648 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 40 transitions. Complement of second has 6 states. [2022-07-23 16:04:40,649 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 [2022-07-23 16:04:40,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:40,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-07-23 16:04:40,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-23 16:04:40,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:40,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-23 16:04:40,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:40,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-23 16:04:40,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:40,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2022-07-23 16:04:40,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:04:40,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 19 states and 27 transitions. [2022-07-23 16:04:40,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-23 16:04:40,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-23 16:04:40,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2022-07-23 16:04:40,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:04:40,652 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2022-07-23 16:04:40,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2022-07-23 16:04:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-07-23 16:04:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 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) [2022-07-23 16:04:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2022-07-23 16:04:40,654 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2022-07-23 16:04:40,654 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2022-07-23 16:04:40,654 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 16:04:40,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2022-07-23 16:04:40,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:04:40,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:04:40,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:04:40,655 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 16:04:40,655 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 16:04:40,656 INFO L752 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 278#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 286#L532 assume !(main_~length1~0#1 < 1); 279#L532-2 assume !(main_~length2~0#1 < 1); 275#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 276#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 290#L541-4 main_~i~1#1 := 0; 282#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 283#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 287#L517 assume !(0 == cstrncmp_~n#1); 280#L519-5 [2022-07-23 16:04:40,656 INFO L754 eck$LassoCheckResult]: Loop: 280#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 281#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 291#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 288#L520 assume cstrncmp_#t~short7#1; 289#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 280#L519-5 [2022-07-23 16:04:40,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:40,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 1 times [2022-07-23 16:04:40,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:40,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243089490] [2022-07-23 16:04:40,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:40,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:40,672 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:40,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:40,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:40,686 INFO L85 PathProgramCache]: Analyzing trace with hash 79307716, now seen corresponding path program 1 times [2022-07-23 16:04:40,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:40,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058308220] [2022-07-23 16:04:40,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:40,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 16:04:40,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 16:04:40,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058308220] [2022-07-23 16:04:40,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058308220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 16:04:40,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 16:04:40,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 16:04:40,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791000793] [2022-07-23 16:04:40,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 16:04:40,733 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 16:04:40,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 16:04:40,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 16:04:40,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 16:04:40,736 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 11 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-07-23 16:04:40,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 16:04:40,745 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2022-07-23 16:04:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 16:04:40,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2022-07-23 16:04:40,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:04:40,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 26 transitions. [2022-07-23 16:04:40,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-23 16:04:40,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-23 16:04:40,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2022-07-23 16:04:40,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:04:40,747 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-07-23 16:04:40,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2022-07-23 16:04:40,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-07-23 16:04:40,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 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) [2022-07-23 16:04:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2022-07-23 16:04:40,749 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-07-23 16:04:40,749 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-07-23 16:04:40,749 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 16:04:40,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2022-07-23 16:04:40,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:04:40,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:04:40,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:04:40,750 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 16:04:40,750 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 16:04:40,750 INFO L752 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 323#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 331#L532 assume !(main_~length1~0#1 < 1); 324#L532-2 assume !(main_~length2~0#1 < 1); 320#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 321#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 332#L541-4 main_~i~1#1 := 0; 327#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 328#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 333#L517 assume !(0 == cstrncmp_~n#1); 325#L519-5 [2022-07-23 16:04:40,750 INFO L754 eck$LassoCheckResult]: Loop: 325#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 326#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 336#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 334#L520 assume !cstrncmp_#t~short7#1;call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short7#1 := 0 == cstrncmp_#t~mem6#1; 335#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 325#L519-5 [2022-07-23 16:04:40,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:40,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 2 times [2022-07-23 16:04:40,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:40,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131458089] [2022-07-23 16:04:40,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:40,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:40,765 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:40,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:40,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 1 times [2022-07-23 16:04:40,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:40,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592892044] [2022-07-23 16:04:40,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:40,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:40,784 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:40,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:40,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:40,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1988601847, now seen corresponding path program 1 times [2022-07-23 16:04:40,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:40,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585846504] [2022-07-23 16:04:40,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:40,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 16:04:40,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 16:04:40,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585846504] [2022-07-23 16:04:40,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585846504] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 16:04:40,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 16:04:40,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 16:04:40,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664649350] [2022-07-23 16:04:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 16:04:40,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-07-23 16:04:41,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 16:04:41,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 16:04:41,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 16:04:41,118 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 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) [2022-07-23 16:04:41,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 16:04:41,187 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2022-07-23 16:04:41,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 16:04:41,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2022-07-23 16:04:41,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:04:41,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2022-07-23 16:04:41,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-23 16:04:41,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-23 16:04:41,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-07-23 16:04:41,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:04:41,190 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-23 16:04:41,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-07-23 16:04:41,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-07-23 16:04:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-07-23 16:04:41,191 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-23 16:04:41,191 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-23 16:04:41,192 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-23 16:04:41,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2022-07-23 16:04:41,192 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:04:41,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:04:41,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:04:41,192 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 16:04:41,192 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 16:04:41,193 INFO L752 eck$LassoCheckResult]: Stem: 388#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 389#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 397#L532 assume !(main_~length1~0#1 < 1); 390#L532-2 assume !(main_~length2~0#1 < 1); 386#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 387#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet18#1; 403#L541-2 main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 404#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 400#L541-4 main_~i~1#1 := 0; 393#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 394#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 401#L517 assume !(0 == cstrncmp_~n#1); 391#L519-5 [2022-07-23 16:04:41,193 INFO L754 eck$LassoCheckResult]: Loop: 391#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 392#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 402#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 398#L520 assume !cstrncmp_#t~short7#1;call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short7#1 := 0 == cstrncmp_#t~mem6#1; 399#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 391#L519-5 [2022-07-23 16:04:41,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:41,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083896, now seen corresponding path program 1 times [2022-07-23 16:04:41,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:41,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485232045] [2022-07-23 16:04:41,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:41,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,208 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:41,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:41,220 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 2 times [2022-07-23 16:04:41,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:41,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389550034] [2022-07-23 16:04:41,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:41,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,226 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:41,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:41,233 INFO L85 PathProgramCache]: Analyzing trace with hash -350531861, now seen corresponding path program 1 times [2022-07-23 16:04:41,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:41,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105169790] [2022-07-23 16:04:41,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:41,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 16:04:41,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 16:04:41,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105169790] [2022-07-23 16:04:41,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105169790] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 16:04:41,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 16:04:41,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 16:04:41,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807168064] [2022-07-23 16:04:41,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 16:04:41,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 16:04:41,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 16:04:41,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-23 16:04:41,543 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:41,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 16:04:41,690 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2022-07-23 16:04:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 16:04:41,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-07-23 16:04:41,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:04:41,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 24 transitions. [2022-07-23 16:04:41,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-23 16:04:41,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-23 16:04:41,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-07-23 16:04:41,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:04:41,692 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-07-23 16:04:41,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-07-23 16:04:41,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-07-23 16:04:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-07-23 16:04:41,693 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-07-23 16:04:41,694 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-07-23 16:04:41,694 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-23 16:04:41,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-07-23 16:04:41,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-23 16:04:41,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 16:04:41,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 16:04:41,694 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 16:04:41,694 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-23 16:04:41,695 INFO L752 eck$LassoCheckResult]: Stem: 468#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet18#1, main_#t~post17#1, main_~i~0#1, main_#t~nondet20#1, main_#t~post19#1, main_~i~1#1, main_#t~nondet21#1, main_#t~ret22#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;main_~length2~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 477#L532 assume !(main_~length1~0#1 < 1); 470#L532-2 assume !(main_~length2~0#1 < 1); 466#L535-1 call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;main_~i~0#1 := 0; 467#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet18#1; 483#L541-2 main_#t~post17#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 484#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 480#L541-4 main_~i~1#1 := 0; 473#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet20#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet20#1; 474#L546-2 main_#t~post19#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 475#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 476#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet21#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~short7#1, cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~post2#1, cstrncmp_#t~mem3#1, cstrncmp_#t~mem4#1, cstrncmp_#t~short5#1, cstrncmp_#t~mem10#1, cstrncmp_#t~mem11#1, cstrncmp_#t~ite12#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 481#L517 assume !(0 == cstrncmp_~n#1); 471#L519-5 [2022-07-23 16:04:41,695 INFO L754 eck$LassoCheckResult]: Loop: 471#L519-5 cstrncmp_#t~post2#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post2#1 - 1;cstrncmp_#t~short5#1 := cstrncmp_#t~post2#1 > 0; 472#L519-1 assume cstrncmp_#t~short5#1;call cstrncmp_#t~mem3#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short5#1 := cstrncmp_#t~mem3#1 == cstrncmp_#t~mem4#1; 482#L519-3 assume !!cstrncmp_#t~short5#1;havoc cstrncmp_#t~post2#1;havoc cstrncmp_#t~mem3#1;havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~short5#1;cstrncmp_#t~short7#1 := 0 == cstrncmp_~n#1; 478#L520 assume !cstrncmp_#t~short7#1;call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short7#1 := 0 == cstrncmp_#t~mem6#1; 479#L520-2 assume !cstrncmp_#t~short7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~short7#1;cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post8#1.base, 1 + cstrncmp_#t~post8#1.offset;havoc cstrncmp_#t~post8#1.base, cstrncmp_#t~post8#1.offset;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset; 471#L519-5 [2022-07-23 16:04:41,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:41,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217430, now seen corresponding path program 1 times [2022-07-23 16:04:41,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:41,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720979513] [2022-07-23 16:04:41,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:41,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,709 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:41,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:41,722 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 3 times [2022-07-23 16:04:41,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:41,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805314969] [2022-07-23 16:04:41,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:41,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,727 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:41,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:41,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1018233459, now seen corresponding path program 1 times [2022-07-23 16:04:41,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 16:04:41,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703582838] [2022-07-23 16:04:41,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 16:04:41,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 16:04:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,750 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 16:04:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 16:04:41,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 16:04:42,592 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 16:04:42,592 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 16:04:42,592 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 16:04:42,593 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 16:04:42,593 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 16:04:42,593 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:42,593 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 16:04:42,593 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 16:04:42,593 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-1.i_Iteration6_Lasso [2022-07-23 16:04:42,593 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 16:04:42,593 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 16:04:42,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:42,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:43,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:43,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:43,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:43,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:43,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:43,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:43,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:43,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 16:04:43,757 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 16:04:43,757 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 16:04:43,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:43,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:43,760 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) [2022-07-23 16:04:43,762 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 [2022-07-23 16:04:43,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:43,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:43,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:43,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:43,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:43,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:43,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:43,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:43,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:43,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-23 16:04:43,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:43,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:43,787 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) [2022-07-23 16:04:43,787 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 [2022-07-23 16:04:43,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:43,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:43,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:43,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:43,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:43,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:43,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:43,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:43,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:43,814 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 [2022-07-23 16:04:43,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:43,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:43,815 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) [2022-07-23 16:04:43,816 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 [2022-07-23 16:04:43,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:43,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:43,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:43,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:43,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:43,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:43,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:43,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:43,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:43,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-23 16:04:43,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:43,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:43,840 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) [2022-07-23 16:04:43,841 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 [2022-07-23 16:04:43,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:43,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:43,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:43,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:43,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:43,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:43,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:43,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:43,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:43,888 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 [2022-07-23 16:04:43,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:43,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:43,890 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) [2022-07-23 16:04:43,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:43,893 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 [2022-07-23 16:04:43,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:43,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:43,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:43,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:43,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:43,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:43,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:43,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:43,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:43,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:43,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:43,916 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) [2022-07-23 16:04:43,917 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 [2022-07-23 16:04:43,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:43,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:43,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:43,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:43,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:43,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:43,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:43,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:43,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:43,942 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 [2022-07-23 16:04:43,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:43,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:43,943 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 16:04:43,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-23 16:04:43,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:43,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:43,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:43,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:43,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:43,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:43,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:43,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:43,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-23 16:04:43,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:43,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:43,976 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) [2022-07-23 16:04:43,982 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 [2022-07-23 16:04:43,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,030 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 [2022-07-23 16:04:44,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,031 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) [2022-07-23 16:04:44,031 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 [2022-07-23 16:04:44,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,120 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 [2022-07-23 16:04:44,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,121 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) [2022-07-23 16:04:44,122 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 [2022-07-23 16:04:44,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:44,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,148 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) [2022-07-23 16:04:44,150 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 [2022-07-23 16:04:44,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:44,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:44,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-07-23 16:04:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,175 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) [2022-07-23 16:04:44,176 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 [2022-07-23 16:04:44,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-23 16:04:44,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,208 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) [2022-07-23 16:04:44,209 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 [2022-07-23 16:04:44,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,233 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 [2022-07-23 16:04:44,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,234 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) [2022-07-23 16:04:44,235 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 [2022-07-23 16:04:44,236 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 [2022-07-23 16:04:44,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,259 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 [2022-07-23 16:04:44,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,260 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) [2022-07-23 16:04:44,261 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 [2022-07-23 16:04:44,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,284 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 [2022-07-23 16:04:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,285 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) [2022-07-23 16:04:44,285 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 [2022-07-23 16:04:44,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:44,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:44,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,312 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 [2022-07-23 16:04:44,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,313 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) [2022-07-23 16:04:44,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,326 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 [2022-07-23 16:04:44,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-23 16:04:44,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,343 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) [2022-07-23 16:04:44,344 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 [2022-07-23 16:04:44,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,368 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 [2022-07-23 16:04:44,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,369 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) [2022-07-23 16:04:44,369 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 [2022-07-23 16:04:44,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,392 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 [2022-07-23 16:04:44,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,394 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) [2022-07-23 16:04:44,395 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 [2022-07-23 16:04:44,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,425 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 [2022-07-23 16:04:44,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,426 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) [2022-07-23 16:04:44,426 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 [2022-07-23 16:04:44,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 16:04:44,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 16:04:44,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 16:04:44,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,449 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 [2022-07-23 16:04:44,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,450 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) [2022-07-23 16:04:44,451 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 [2022-07-23 16:04:44,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:44,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:44,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-07-23 16:04:44,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,478 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) [2022-07-23 16:04:44,478 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 [2022-07-23 16:04:44,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:44,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:44,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,536 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 [2022-07-23 16:04:44,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,538 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) [2022-07-23 16:04:44,539 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 [2022-07-23 16:04:44,540 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 [2022-07-23 16:04:44,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:44,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:44,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:44,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,587 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) [2022-07-23 16:04:44,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:44,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:44,602 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 [2022-07-23 16:04:44,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,619 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 [2022-07-23 16:04:44,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,623 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) [2022-07-23 16:04:44,627 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 [2022-07-23 16:04:44,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,634 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 16:04:44,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,640 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-07-23 16:04:44,641 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 16:04:44,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 16:04:44,678 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 [2022-07-23 16:04:44,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,680 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) [2022-07-23 16:04:44,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 16:04:44,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 16:04:44,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 16:04:44,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 16:04:44,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 16:04:44,706 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 [2022-07-23 16:04:44,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 16:04:44,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 16:04:44,728 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 16:04:44,790 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2022-07-23 16:04:44,791 INFO L444 ModelExtractionUtils]: 6 out of 49 variables were initially zero. Simplification set additionally 40 variables to zero. [2022-07-23 16:04:44,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 16:04:44,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 16:04:44,792 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) [2022-07-23 16:04:44,793 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 [2022-07-23 16:04:44,818 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 16:04:44,825 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 16:04:44,825 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 16:04:44,825 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~s1#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc16#1.base)_3) = -1*ULTIMATE.start_cstrncmp_~s1#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc16#1.base)_3 Supporting invariants [] [2022-07-23 16:04:44,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-07-23 16:04:44,904 INFO L293 tatePredicateManager]: 20 out of 22 supporting invariants were superfluous and have been removed [2022-07-23 16:04:44,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 16:04:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:44,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-23 16:04:44,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:04:45,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-07-23 16:04:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 16:04:45,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 16:04:45,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 16:04:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 16:04:45,138 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 [2022-07-23 16:04:45,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:45,186 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 8 states. [2022-07-23 16:04:45,186 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 [2022-07-23 16:04:45,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 16:04:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2022-07-23 16:04:45,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 14 letters. Loop has 5 letters. [2022-07-23 16:04:45,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:45,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 19 letters. Loop has 5 letters. [2022-07-23 16:04:45,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:45,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 14 letters. Loop has 10 letters. [2022-07-23 16:04:45,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 16:04:45,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-07-23 16:04:45,188 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 16:04:45,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-07-23 16:04:45,189 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 16:04:45,189 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 16:04:45,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 16:04:45,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 16:04:45,189 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 16:04:45,189 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 16:04:45,189 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 16:04:45,189 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-23 16:04:45,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 16:04:45,189 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 16:04:45,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 16:04:45,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 04:04:45 BoogieIcfgContainer [2022-07-23 16:04:45,194 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 16:04:45,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 16:04:45,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 16:04:45,194 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 16:04:45,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:04:36" (3/4) ... [2022-07-23 16:04:45,196 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 16:04:45,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 16:04:45,197 INFO L158 Benchmark]: Toolchain (without parser) took 9287.30ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 72.9MB in the beginning and 80.0MB in the end (delta: -7.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-23 16:04:45,197 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:04:45,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.65ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 57.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-23 16:04:45,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.12ms. Allocated memory is still 98.6MB. Free memory was 57.1MB in the beginning and 55.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 16:04:45,198 INFO L158 Benchmark]: Boogie Preprocessor took 25.63ms. Allocated memory is still 98.6MB. Free memory was 55.1MB in the beginning and 53.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 16:04:45,198 INFO L158 Benchmark]: RCFGBuilder took 400.25ms. Allocated memory is still 98.6MB. Free memory was 53.6MB in the beginning and 41.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 16:04:45,198 INFO L158 Benchmark]: BuchiAutomizer took 8436.42ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 41.0MB in the beginning and 80.0MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:04:45,199 INFO L158 Benchmark]: Witness Printer took 2.46ms. Allocated memory is still 123.7MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 16:04:45,200 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 81.8MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.65ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 57.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.12ms. Allocated memory is still 98.6MB. Free memory was 57.1MB in the beginning and 55.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.63ms. Allocated memory is still 98.6MB. Free memory was 55.1MB in the beginning and 53.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.25ms. Allocated memory is still 98.6MB. Free memory was 53.6MB in the beginning and 41.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 8436.42ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 41.0MB in the beginning and 80.0MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.46ms. Allocated memory is still 123.7MB. Free memory is still 80.0MB. 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 unknown-#length-unknown[nondetString2] + -1 * nondetString2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 7.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 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, 177 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 306 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 112 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax111 hnf100 lsp82 ukn77 mio100 lsp48 div100 bol100 ite100 ukn100 eq177 hnf90 smp97 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 6 VariablesLoop: 2 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! [2022-07-23 16:04:45,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE