./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:06:24,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:06:24,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:06:24,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:06:24,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:06:24,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:06:24,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:06:24,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:06:24,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:06:24,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:06:24,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:06:24,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:06:24,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:06:24,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:06:24,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:06:24,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:06:24,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:06:24,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:06:24,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:06:24,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:06:24,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:06:24,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:06:24,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:06:24,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:06:24,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:06:24,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:06:24,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:06:24,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:06:24,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:06:24,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:06:24,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:06:24,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:06:24,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:06:24,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:06:24,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:06:24,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:06:24,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:06:24,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:06:24,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:06:24,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:06:24,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:06:24,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-14 23:06:25,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:06:25,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:06:25,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:06:25,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:06:25,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:06:25,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:06:25,014 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:06:25,014 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:06:25,014 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:06:25,014 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:06:25,015 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:06:25,015 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:06:25,015 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:06:25,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:06:25,016 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:06:25,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:06:25,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:06:25,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:06:25,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:06:25,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:06:25,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:06:25,016 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:06:25,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:06:25,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:06:25,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:06:25,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:06:25,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:06:25,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:06:25,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:06:25,019 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:06:25,019 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 [2021-12-14 23:06:25,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:06:25,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:06:25,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:06:25,216 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:06:25,218 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:06:25,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2021-12-14 23:06:25,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d48e8327f/49423bef6c664e4a8894a1206972b97f/FLAGad0bda209 [2021-12-14 23:06:25,628 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:06:25,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2021-12-14 23:06:25,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d48e8327f/49423bef6c664e4a8894a1206972b97f/FLAGad0bda209 [2021-12-14 23:06:25,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d48e8327f/49423bef6c664e4a8894a1206972b97f [2021-12-14 23:06:26,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:06:26,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:06:26,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:06:26,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:06:26,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:06:26,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:06:25" (1/1) ... [2021-12-14 23:06:26,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61aa2745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26, skipping insertion in model container [2021-12-14 23:06:26,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:06:25" (1/1) ... [2021-12-14 23:06:26,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:06:26,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:06:26,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:06:26,249 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:06:26,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:06:26,309 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:06:26,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26 WrapperNode [2021-12-14 23:06:26,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:06:26,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:06:26,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:06:26,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:06:26,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,347 INFO L137 Inliner]: procedures = 109, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2021-12-14 23:06:26,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:06:26,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:06:26,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:06:26,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:06:26,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:06:26,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:06:26,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:06:26,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:06:26,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (1/1) ... [2021-12-14 23:06:26,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:26,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:26,412 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) [2021-12-14 23:06:26,423 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 [2021-12-14 23:06:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 23:06:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 23:06:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 23:06:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 23:06:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:06:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:06:26,542 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:06:26,544 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:06:26,651 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:06:26,655 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:06:26,655 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 23:06:26,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:06:26 BoogieIcfgContainer [2021-12-14 23:06:26,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:06:26,657 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:06:26,657 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:06:26,664 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:06:26,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:06:26,665 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:06:25" (1/3) ... [2021-12-14 23:06:26,665 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b56c9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:06:26, skipping insertion in model container [2021-12-14 23:06:26,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:06:26,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:06:26" (2/3) ... [2021-12-14 23:06:26,666 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b56c9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:06:26, skipping insertion in model container [2021-12-14 23:06:26,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:06:26,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:06:26" (3/3) ... [2021-12-14 23:06:26,667 INFO L388 chiAutomizerObserver]: Analyzing ICFG genady-alloca.i [2021-12-14 23:06:26,696 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:06:26,696 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:06:26,696 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:06:26,696 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:06:26,696 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:06:26,696 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:06:26,697 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:06:26,697 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:06:26,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:06:26,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:06:26,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:06:26,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:06:26,724 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-14 23:06:26,724 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:06:26,724 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:06:26,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:06:26,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:06:26,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:06:26,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:06:26,726 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-14 23:06:26,726 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:06:26,731 INFO L791 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(1, main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(10000, main_~i~0#1.base, main_~i~0#1.offset, 4); 7#L550-4true [2021-12-14 23:06:26,732 INFO L793 eck$LassoCheckResult]: Loop: 7#L550-4true call main_#t~mem6#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 10#L550-1true assume !!(main_#t~mem6#1 - main_#t~mem7#1 >= 1);havoc main_#t~mem6#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(1 + main_#t~post9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 8#L550-3true call main_#t~mem4#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post5#1 := main_#t~mem4#1;call write~int(main_#t~post5#1 - 1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem4#1;havoc main_#t~post5#1; 7#L550-4true [2021-12-14 23:06:26,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:26,740 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-14 23:06:26,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:06:26,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726259222] [2021-12-14 23:06:26,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:06:26,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:06:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:26,852 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:06:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:26,900 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:06:26,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:26,905 INFO L85 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2021-12-14 23:06:26,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:06:26,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268433268] [2021-12-14 23:06:26,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:06:26,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:06:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:26,938 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:06:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:26,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:06:26,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:26,950 INFO L85 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2021-12-14 23:06:26,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:06:26,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565504930] [2021-12-14 23:06:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:06:26,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:06:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:26,976 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:06:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:06:27,009 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:06:27,373 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:06:27,373 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:06:27,374 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:06:27,374 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:06:27,374 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:06:27,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:27,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:06:27,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:06:27,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: genady-alloca.i_Iteration1_Lasso [2021-12-14 23:06:27,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:06:27,375 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:06:27,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:06:27,833 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:06:27,836 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:06:27,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:27,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:27,840 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) [2021-12-14 23:06:27,841 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 [2021-12-14 23:06:27,842 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 [2021-12-14 23:06:27,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:27,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:27,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:27,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:27,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:27,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:27,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:27,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:27,872 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 [2021-12-14 23:06:27,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:27,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:27,874 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) [2021-12-14 23:06:27,875 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 [2021-12-14 23:06:27,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:06:27,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:27,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:27,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:27,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:27,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:27,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:27,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:27,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:27,920 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 [2021-12-14 23:06:27,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:27,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:27,922 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) [2021-12-14 23:06:27,934 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 [2021-12-14 23:06:27,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:06:27,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:27,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:27,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:27,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:27,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:27,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:27,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:27,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:27,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:27,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:27,979 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) [2021-12-14 23:06:27,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:06:27,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:27,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:27,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:27,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:28,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:28,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:28,002 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 [2021-12-14 23:06:28,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:28,023 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 [2021-12-14 23:06:28,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:28,025 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) [2021-12-14 23:06:28,025 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 [2021-12-14 23:06:28,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:06:28,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:28,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:28,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:28,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:28,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:28,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:28,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:28,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:28,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-14 23:06:28,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:28,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:28,068 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) [2021-12-14 23:06:28,069 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 [2021-12-14 23:06:28,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:06:28,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:28,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:28,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:28,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:28,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:28,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:28,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:28,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-14 23:06:28,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:28,106 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) [2021-12-14 23:06:28,112 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 [2021-12-14 23:06:28,112 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 [2021-12-14 23:06:28,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:28,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:06:28,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:28,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:28,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:28,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:06:28,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:06:28,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:28,142 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 [2021-12-14 23:06:28,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:28,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:28,144 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) [2021-12-14 23:06:28,144 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 [2021-12-14 23:06:28,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:06:28,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:28,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:28,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:28,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:28,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:28,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:28,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:06:28,182 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 [2021-12-14 23:06:28,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:28,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:28,184 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) [2021-12-14 23:06:28,184 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 [2021-12-14 23:06:28,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:06:28,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:06:28,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:06:28,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:06:28,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:06:28,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:06:28,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:06:28,206 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:06:28,227 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-14 23:06:28,227 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-14 23:06:28,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:06:28,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:06:28,230 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) [2021-12-14 23:06:28,235 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 [2021-12-14 23:06:28,235 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:06:28,244 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-14 23:06:28,244 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:06:28,245 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_1 >= 0] [2021-12-14 23:06:28,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-14 23:06:28,292 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-12-14 23:06:28,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:06:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:06:28,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-14 23:06:28,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:06:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:06:28,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-14 23:06:28,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:06:28,435 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 [2021-12-14 23:06:28,468 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-12-14 23:06:28,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 40 [2021-12-14 23:06:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:06:28,514 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-14 23:06:28,515 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2021-12-14 23:06:28,571 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) Result 20 states and 22 transitions. Complement of second has 9 states. [2021-12-14 23:06:28,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-14 23:06:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2021-12-14 23:06:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2021-12-14 23:06:28,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2021-12-14 23:06:28,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:06:28,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-14 23:06:28,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:06:28,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-14 23:06:28,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:06:28,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2021-12-14 23:06:28,592 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:06:28,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-12-14 23:06:28,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:06:28,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:06:28,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:06:28,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:06:28,595 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:06:28,595 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:06:28,595 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:06:28,595 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:06:28,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:06:28,595 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:06:28,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:06:28,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:06:28 BoogieIcfgContainer [2021-12-14 23:06:28,599 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:06:28,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:06:28,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:06:28,600 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:06:28,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:06:26" (3/4) ... [2021-12-14 23:06:28,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:06:28,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:06:28,604 INFO L158 Benchmark]: Toolchain (without parser) took 2600.58ms. Allocated memory is still 119.5MB. Free memory was 87.8MB in the beginning and 80.6MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-14 23:06:28,604 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:06:28,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.11ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 91.7MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 23:06:28,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.77ms. Allocated memory is still 119.5MB. Free memory was 91.7MB in the beginning and 90.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:06:28,608 INFO L158 Benchmark]: Boogie Preprocessor took 31.92ms. Allocated memory is still 119.5MB. Free memory was 90.2MB in the beginning and 88.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:06:28,609 INFO L158 Benchmark]: RCFGBuilder took 274.83ms. Allocated memory is still 119.5MB. Free memory was 88.9MB in the beginning and 79.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 23:06:28,609 INFO L158 Benchmark]: BuchiAutomizer took 1942.56ms. Allocated memory is still 119.5MB. Free memory was 79.2MB in the beginning and 81.0MB in the end (delta: -1.9MB). Peak memory consumption was 498.5kB. Max. memory is 16.1GB. [2021-12-14 23:06:28,611 INFO L158 Benchmark]: Witness Printer took 2.45ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 80.6MB in the end (delta: 403.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:06:28,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.11ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 91.7MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.77ms. Allocated memory is still 119.5MB. Free memory was 91.7MB in the beginning and 90.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.92ms. Allocated memory is still 119.5MB. Free memory was 90.2MB in the beginning and 88.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 274.83ms. Allocated memory is still 119.5MB. Free memory was 88.9MB in the beginning and 79.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1942.56ms. Allocated memory is still 119.5MB. Free memory was 79.2MB in the beginning and 81.0MB in the end (delta: -1.9MB). Peak memory consumption was 498.5kB. Max. memory is 16.1GB. * Witness Printer took 2.45ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 80.6MB in the end (delta: 403.6kB). 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[i][i] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 5 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital200 mio100 ax109 hnf100 lsp88 ukn61 mio100 lsp40 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-14 23:06:28,642 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