./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/b.02-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 854590cc4413a89873a976feacf89528edce1772c9b07a52d61540a880295e5a --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:00:15,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:00:15,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:00:15,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:00:15,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:00:15,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:00:15,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:00:15,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:00:15,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:00:15,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:00:15,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:00:15,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:00:15,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:00:15,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:00:15,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:00:15,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:00:15,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:00:15,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:00:16,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:00:16,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:00:16,002 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:00:16,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:00:16,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:00:16,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:00:16,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:00:16,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:00:16,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:00:16,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:00:16,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:00:16,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:00:16,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:00:16,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:00:16,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:00:16,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:00:16,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:00:16,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:00:16,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:00:16,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:00:16,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:00:16,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:00:16,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:00:16,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:00:16,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 15:00:16,063 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:00:16,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:00:16,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:00:16,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:00:16,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:00:16,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:00:16,065 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:00:16,065 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:00:16,065 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:00:16,065 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:00:16,065 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:00:16,065 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:00:16,066 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:00:16,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:00:16,066 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:00:16,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:00:16,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:00:16,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:00:16,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:00:16,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:00:16,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:00:16,067 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:00:16,067 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:00:16,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:00:16,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:00:16,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:00:16,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:00:16,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:00:16,070 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:00:16,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854590cc4413a89873a976feacf89528edce1772c9b07a52d61540a880295e5a [2022-07-14 15:00:16,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:00:16,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:00:16,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:00:16,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:00:16,289 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:00:16,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2022-07-14 15:00:16,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef79c1747/a2fb708eb7e449c086f4b4c69e707497/FLAG364b406f5 [2022-07-14 15:00:16,712 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:00:16,715 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2022-07-14 15:00:16,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef79c1747/a2fb708eb7e449c086f4b4c69e707497/FLAG364b406f5 [2022-07-14 15:00:16,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef79c1747/a2fb708eb7e449c086f4b4c69e707497 [2022-07-14 15:00:16,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:00:16,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:00:16,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:00:16,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:00:16,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:00:16,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:00:16" (1/1) ... [2022-07-14 15:00:16,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612f232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:16, skipping insertion in model container [2022-07-14 15:00:16,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:00:16" (1/1) ... [2022-07-14 15:00:16,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:00:16,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:00:17,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:00:17,008 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:00:17,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:00:17,070 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:00:17,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17 WrapperNode [2022-07-14 15:00:17,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:00:17,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:00:17,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:00:17,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:00:17,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,109 INFO L137 Inliner]: procedures = 111, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-07-14 15:00:17,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:00:17,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:00:17,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:00:17,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:00:17,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:00:17,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:00:17,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:00:17,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:00:17,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (1/1) ... [2022-07-14 15:00:17,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:17,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:17,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:17,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 15:00:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 15:00:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:00:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 15:00:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 15:00:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:00:17,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:00:17,282 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:00:17,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:00:17,404 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:00:17,408 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:00:17,408 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 15:00:17,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:17 BoogieIcfgContainer [2022-07-14 15:00:17,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:00:17,410 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:00:17,410 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:00:17,412 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:00:17,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:00:17,412 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:00:16" (1/3) ... [2022-07-14 15:00:17,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@177a790a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:00:17, skipping insertion in model container [2022-07-14 15:00:17,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:00:17,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:17" (2/3) ... [2022-07-14 15:00:17,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@177a790a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:00:17, skipping insertion in model container [2022-07-14 15:00:17,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:00:17,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:17" (3/3) ... [2022-07-14 15:00:17,414 INFO L354 chiAutomizerObserver]: Analyzing ICFG b.02-alloca.i [2022-07-14 15:00:17,445 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:00:17,446 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:00:17,446 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:00:17,446 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:00:17,446 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:00:17,446 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:00:17,446 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:00:17,446 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:00:17,449 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) [2022-07-14 15:00:17,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-14 15:00:17,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:17,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:17,473 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:00:17,473 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:00:17,473 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:00:17,473 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) [2022-07-14 15:00:17,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-14 15:00:17,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:17,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:17,474 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:00:17,474 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:00:17,478 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 4#L555-3true [2022-07-14 15:00:17,478 INFO L754 eck$LassoCheckResult]: Loop: 4#L555-3true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 9#L555-1true assume !!(test_fun_#t~mem5#1 > test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem7#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1;call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem8#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 4#L555-3true [2022-07-14 15:00:17,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-14 15:00:17,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:17,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528807518] [2022-07-14 15:00:17,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:17,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:17,614 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:17,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:17,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:17,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2022-07-14 15:00:17,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:17,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846816181] [2022-07-14 15:00:17,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:17,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:17,696 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:17,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:17,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:17,720 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-07-14 15:00:17,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:17,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401360197] [2022-07-14 15:00:17,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:17,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:17,767 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:17,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:18,334 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:00:18,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:00:18,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:00:18,336 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:00:18,336 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:00:18,336 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:18,336 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:00:18,336 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:00:18,336 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.02-alloca.i_Iteration1_Lasso [2022-07-14 15:00:18,337 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:00:18,337 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:00:18,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:18,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:19,081 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:00:19,084 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:00:19,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-14 15:00:19,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:19,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:19,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:19,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:19,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-14 15:00:19,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-14 15:00:19,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:19,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:19,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:19,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:19,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,177 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-14 15:00:19,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:19,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:19,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:19,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:19,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:19,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,225 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-14 15:00:19,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:19,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:19,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:19,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:19,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:19,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,264 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-14 15:00:19,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:19,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:19,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:19,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-14 15:00:19,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-14 15:00:19,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:19,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:19,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:19,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:19,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:19,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-14 15:00:19,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:19,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:19,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:19,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:19,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-14 15:00:19,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,424 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-14 15:00:19,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:19,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:19,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:19,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:19,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,466 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-14 15:00:19,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:19,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:19,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:19,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-14 15:00:19,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,518 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:19,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-14 15:00:19,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:19,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:19,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:19,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:19,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:19,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:19,563 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:00:19,607 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-07-14 15:00:19,608 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-07-14 15:00:19,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:19,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:19,623 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:19,664 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:00:19,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-14 15:00:19,674 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-14 15:00:19,674 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:00:19,675 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet11#1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = -1*ULTIMATE.start_main_#t~nondet11#1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 - 1*ULTIMATE.start_main_#t~nondet11#1 >= 0] [2022-07-14 15:00:19,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:19,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:19,771 INFO L293 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2022-07-14 15:00:19,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:19,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-14 15:00:19,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:00:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:19,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-14 15:00:19,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:00:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:00:19,889 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-14 15:00:19,890 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:19,941 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 18 states and 20 transitions. Complement of second has 8 states. [2022-07-14 15:00:19,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 15:00:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:19,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2022-07-14 15:00:19,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-14 15:00:19,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:19,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-14 15:00:19,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:19,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-14 15:00:19,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:19,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2022-07-14 15:00:19,950 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:00:19,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-07-14 15:00:19,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:00:19,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:00:19,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:00:19,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:00:19,953 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:00:19,953 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:00:19,953 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:00:19,953 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:00:19,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 15:00:19,953 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:00:19,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:00:19,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:00:19 BoogieIcfgContainer [2022-07-14 15:00:19,959 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:00:19,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:00:19,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:00:19,959 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:00:19,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:17" (3/4) ... [2022-07-14 15:00:19,962 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:00:19,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:00:19,963 INFO L158 Benchmark]: Toolchain (without parser) took 3217.26ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 54.3MB in the beginning and 64.3MB in the end (delta: -10.0MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-07-14 15:00:19,963 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:00:19,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.70ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 58.3MB in the end (delta: -4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-14 15:00:19,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.18ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 56.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:00:19,965 INFO L158 Benchmark]: Boogie Preprocessor took 32.24ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 55.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:00:19,965 INFO L158 Benchmark]: RCFGBuilder took 266.14ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 44.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 15:00:19,965 INFO L158 Benchmark]: BuchiAutomizer took 2549.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.7MB in the beginning and 64.3MB in the end (delta: -19.7MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2022-07-14 15:00:19,966 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 107.0MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:00:19,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.70ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 58.3MB in the end (delta: -4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.18ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 56.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.24ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 55.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 266.14ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 44.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2549.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.7MB in the beginning and 64.3MB in the end (delta: -19.7MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 107.0MB. Free memory is still 64.3MB. 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 -1 * aux-__VERIFIER_nondet_int()-aux + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 3 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital278 mio100 ax106 hnf100 lsp91 ukn57 mio100 lsp34 div100 bol100 ite100 ukn100 eq196 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 15:00:20,018 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