./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/HarrisLalNoriRajamani-2010SAS-Fig3-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 ec52b50984ce4a37adbf31241337a0752ee4ecf2eb9496b3e3fee60fba9a59cc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:30:43,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:30:43,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:30:43,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:30:43,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:30:43,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:30:43,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:30:43,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:30:43,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:30:43,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:30:43,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:30:43,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:30:43,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:30:43,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:30:43,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:30:43,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:30:43,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:30:43,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:30:43,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:30:43,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:30:43,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:30:43,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:30:43,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:30:43,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:30:43,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:30:43,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:30:43,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:30:43,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:30:43,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:30:43,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:30:43,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:30:43,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:30:43,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:30:43,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:30:43,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:30:43,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:30:43,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:30:43,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:30:43,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:30:43,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:30:43,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:30:43,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:30:43,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:30:43,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:30:43,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:30:43,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:30:43,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:30:43,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:30:43,403 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:30:43,404 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:30:43,404 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:30:43,404 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:30:43,405 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:30:43,405 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:30:43,405 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:30:43,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:30:43,405 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:30:43,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:30:43,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:30:43,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:30:43,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:30:43,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:30:43,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:30:43,407 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:30:43,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:30:43,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:30:43,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:30:43,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:30:43,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:30:43,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:30:43,409 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:30:43,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec52b50984ce4a37adbf31241337a0752ee4ecf2eb9496b3e3fee60fba9a59cc [2022-02-21 03:30:43,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:30:43,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:30:43,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:30:43,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:30:43,638 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:30:43,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2022-02-21 03:30:43,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f5c1dc7d/eaef7b8ceddc4d5fba7fd7363650e71c/FLAGc8af8216d [2022-02-21 03:30:44,070 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:30:44,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2022-02-21 03:30:44,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f5c1dc7d/eaef7b8ceddc4d5fba7fd7363650e71c/FLAGc8af8216d [2022-02-21 03:30:44,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f5c1dc7d/eaef7b8ceddc4d5fba7fd7363650e71c [2022-02-21 03:30:44,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:30:44,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:30:44,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:30:44,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:30:44,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:30:44,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f01f212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44, skipping insertion in model container [2022-02-21 03:30:44,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:30:44,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:30:44,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:30:44,365 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:30:44,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:30:44,443 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:30:44,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44 WrapperNode [2022-02-21 03:30:44,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:30:44,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:30:44,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:30:44,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:30:44,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,481 INFO L137 Inliner]: procedures = 111, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2022-02-21 03:30:44,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:30:44,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:30:44,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:30:44,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:30:44,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:30:44,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:30:44,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:30:44,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:30:44,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (1/1) ... [2022-02-21 03:30:44,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:44,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:44,524 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) [2022-02-21 03:30:44,525 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 [2022-02-21 03:30:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:30:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:30:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:30:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:30:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:30:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:30:44,607 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:30:44,608 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:30:44,792 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:30:44,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:30:44,796 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:30:44,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:30:44 BoogieIcfgContainer [2022-02-21 03:30:44,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:30:44,800 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:30:44,800 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:30:44,803 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:30:44,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:30:44,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:30:44" (1/3) ... [2022-02-21 03:30:44,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d005fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:30:44, skipping insertion in model container [2022-02-21 03:30:44,805 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:30:44,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:30:44" (2/3) ... [2022-02-21 03:30:44,806 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d005fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:30:44, skipping insertion in model container [2022-02-21 03:30:44,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:30:44,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:30:44" (3/3) ... [2022-02-21 03:30:44,807 INFO L388 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2022-02-21 03:30:44,858 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:30:44,858 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:30:44,858 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:30:44,859 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:30:44,859 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:30:44,859 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:30:44,859 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:30:44,859 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:30:44,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:44,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-02-21 03:30:44,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:30:44,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:30:44,899 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:30:44,900 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-02-21 03:30:44,900 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:30:44,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:44,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-02-21 03:30:44,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:30:44,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:30:44,906 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:30:44,906 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-02-21 03:30:44,911 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~x~0.base, ~x~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet7#1, main_#t~ret8#1, main_#t~ret9#1, main_#t~mem6#1;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);~x~0.base, ~x~0.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, ~x~0.base, ~x~0.offset, 4);havoc main_#t~nondet5#1; 9#L555-2true [2022-02-21 03:30:44,911 INFO L793 eck$LassoCheckResult]: Loop: 9#L555-2true call main_#t~mem6#1 := read~int(~x~0.base, ~x~0.offset, 4); 10#L554-1true assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 4#L555true assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;assume { :begin_inline_foo } true;havoc foo_#res#1;havoc foo_#t~mem2#1, foo_#t~post3#1;call foo_#t~mem2#1 := read~int(~x~0.base, ~x~0.offset, 4);foo_#t~post3#1 := foo_#t~mem2#1;call write~int(foo_#t~post3#1 - 1, ~x~0.base, ~x~0.offset, 4);havoc foo_#t~mem2#1;havoc foo_#t~post3#1; 12#L548-1true main_#t~ret9#1 := foo_#res#1;assume { :end_inline_foo } true;havoc main_#t~ret9#1; 9#L555-2true [2022-02-21 03:30:44,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:30:44,920 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-02-21 03:30:44,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:30:44,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907529546] [2022-02-21 03:30:44,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:30:44,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:30:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:45,031 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:30:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:45,071 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:30:45,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:30:45,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1144200, now seen corresponding path program 1 times [2022-02-21 03:30:45,074 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:30:45,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366079473] [2022-02-21 03:30:45,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:30:45,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:30:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:45,100 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:30:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:45,119 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:30:45,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:30:45,121 INFO L85 PathProgramCache]: Analyzing trace with hash 889571402, now seen corresponding path program 1 times [2022-02-21 03:30:45,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:30:45,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512301403] [2022-02-21 03:30:45,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:30:45,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:30:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:45,149 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:30:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:30:45,185 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:30:45,502 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:30:45,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:30:45,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:30:45,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:30:45,503 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:30:45,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:45,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:30:45,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:30:45,505 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i_Iteration1_Lasso [2022-02-21 03:30:45,505 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:30:45,505 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:30:45,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,645 WARN L259 bleTransFormulaUtils]: 1 quantified variables [2022-02-21 03:30:45,647 WARN L259 bleTransFormulaUtils]: 1 quantified variables [2022-02-21 03:30:45,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:30:45,972 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:30:45,974 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:30:45,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:45,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:45,992 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) [2022-02-21 03:30:45,995 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 [2022-02-21 03:30:45,995 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 [2022-02-21 03:30:46,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:46,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:46,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:46,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:46,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:46,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:46,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:46,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-02-21 03:30:46,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:46,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:46,042 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) [2022-02-21 03:30:46,049 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 [2022-02-21 03:30:46,050 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 [2022-02-21 03:30:46,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:46,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:46,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:46,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:46,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:46,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:46,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:46,090 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 [2022-02-21 03:30:46,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:46,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:46,092 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) [2022-02-21 03:30:46,093 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 [2022-02-21 03:30:46,094 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 [2022-02-21 03:30:46,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:46,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:46,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:46,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:46,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:46,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:46,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:30:46,139 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 [2022-02-21 03:30:46,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:46,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:46,141 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) [2022-02-21 03:30:46,142 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 [2022-02-21 03:30:46,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:30:46,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:30:46,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:30:46,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:30:46,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:30:46,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:30:46,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:30:46,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:30:46,175 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-02-21 03:30:46,175 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-02-21 03:30:46,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:30:46,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:30:46,178 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) [2022-02-21 03:30:46,195 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:30:46,195 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 [2022-02-21 03:30:46,216 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-02-21 03:30:46,217 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:30:46,217 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1) = 1*v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1 Supporting invariants [] [2022-02-21 03:30:46,236 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 [2022-02-21 03:30:46,264 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-02-21 03:30:46,268 INFO L390 LassoCheck]: Loop: "call main_#t~mem6#1 := read~int(~x~0.base, ~x~0.offset, 4);" "assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1;" "assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;assume { :begin_inline_foo } true;havoc foo_#res#1;havoc foo_#t~mem2#1, foo_#t~post3#1;call foo_#t~mem2#1 := read~int(~x~0.base, ~x~0.offset, 4);foo_#t~post3#1 := foo_#t~mem2#1;call write~int(foo_#t~post3#1 - 1, ~x~0.base, ~x~0.offset, 4);havoc foo_#t~mem2#1;havoc foo_#t~post3#1;" "main_#t~ret9#1 := foo_#res#1;assume { :end_inline_foo } true;havoc main_#t~ret9#1;" [2022-02-21 03:30:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:46,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:30:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:46,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:30:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:46,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:30:46,337 INFO L290 TraceCheckUtils]: 0: Hoare triple {21#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~x~0.base, ~x~0.offset := 0, 0; {21#unseeded} is VALID [2022-02-21 03:30:46,338 INFO L290 TraceCheckUtils]: 1: Hoare triple {21#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet7#1, main_#t~ret8#1, main_#t~ret9#1, main_#t~mem6#1;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);~x~0.base, ~x~0.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, ~x~0.base, ~x~0.offset, 4);havoc main_#t~nondet5#1; {21#unseeded} is VALID [2022-02-21 03:30:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:46,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-21 03:30:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:30:46,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:30:46,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2022-02-21 03:30:46,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-02-21 03:30:46,557 INFO L290 TraceCheckUtils]: 0: Hoare triple {24#(>= oldRank0 (select (select |#memory_int| ~x~0.base) ~x~0.offset))} call main_#t~mem6#1 := read~int(~x~0.base, ~x~0.offset, 4); {57#(and (<= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| ~x~0.base) ~x~0.offset)) (>= oldRank0 (select (select |#memory_int| ~x~0.base) ~x~0.offset)))} is VALID [2022-02-21 03:30:46,558 INFO L290 TraceCheckUtils]: 1: Hoare triple {57#(and (<= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| ~x~0.base) ~x~0.offset)) (>= oldRank0 (select (select |#memory_int| ~x~0.base) ~x~0.offset)))} assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; {61#(and (< 0 (select (select |#memory_int| ~x~0.base) ~x~0.offset)) (>= oldRank0 (select (select |#memory_int| ~x~0.base) ~x~0.offset)))} is VALID [2022-02-21 03:30:46,558 INFO L290 TraceCheckUtils]: 2: Hoare triple {61#(and (< 0 (select (select |#memory_int| ~x~0.base) ~x~0.offset)) (>= oldRank0 (select (select |#memory_int| ~x~0.base) ~x~0.offset)))} assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;assume { :begin_inline_foo } true;havoc foo_#res#1;havoc foo_#t~mem2#1, foo_#t~post3#1;call foo_#t~mem2#1 := read~int(~x~0.base, ~x~0.offset, 4);foo_#t~post3#1 := foo_#t~mem2#1;call write~int(foo_#t~post3#1 - 1, ~x~0.base, ~x~0.offset, 4);havoc foo_#t~mem2#1;havoc foo_#t~post3#1; {65#(and (<= (+ (select (select |#memory_int| ~x~0.base) ~x~0.offset) 1) oldRank0) (< 0 oldRank0))} is VALID [2022-02-21 03:30:46,559 INFO L290 TraceCheckUtils]: 3: Hoare triple {65#(and (<= (+ (select (select |#memory_int| ~x~0.base) ~x~0.offset) 1) oldRank0) (< 0 oldRank0))} main_#t~ret9#1 := foo_#res#1;assume { :end_inline_foo } true;havoc main_#t~ret9#1; {49#(or unseeded (and (>= oldRank0 0) (> oldRank0 (select (select |#memory_int| ~x~0.base) ~x~0.offset))))} is VALID [2022-02-21 03:30:46,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:30:46,576 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-02-21 03:30:46,584 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:30:46,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:30:46,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,590 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-02-21 03:30:46,591 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-02-21 03:30:46,645 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 9 states. [2022-02-21 03:30:46,646 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 [2022-02-21 03:30:46,646 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:30:46,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:46,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-02-21 03:30:46,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:30:46,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:30:46,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-02-21 03:30:46,650 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-02-21 03:30:46,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:30:46,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:30:46,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2022-02-21 03:30:46,651 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:30:46,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:30:46,652 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:30:46,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-02-21 03:30:46,653 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 5 examples of accepted words. [2022-02-21 03:30:46,653 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-02-21 03:30:46,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-02-21 03:30:46,655 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:30:46,655 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 24 states and 29 transitions. cyclomatic complexity: 6 [2022-02-21 03:30:46,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. cyclomatic complexity: 6 [2022-02-21 03:30:46,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:30:46,655 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:30:46,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:30:46,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:30:46,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:30:46,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:30:46,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:30:46,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:30:46,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 24 letters. Loop has 24 letters. [2022-02-21 03:30:46,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 24 letters. Loop has 24 letters. [2022-02-21 03:30:46,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 24 letters. Loop has 24 letters. [2022-02-21 03:30:46,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:30:46,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:30:46,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:30:46,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:30:46,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:30:46,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:30:46,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:30:46,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:30:46,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:30:46,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:30:46,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:30:46,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:30:46,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:30:46,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:30:46,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:30:46,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:30:46,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:30:46,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:30:46,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 4 letters. [2022-02-21 03:30:46,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 3 letters. Loop has 4 letters. [2022-02-21 03:30:46,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 3 letters. Loop has 4 letters. [2022-02-21 03:30:46,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:30:46,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:30:46,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:30:46,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:30:46,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:30:46,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:30:46,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,662 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:30:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2022-02-21 03:30:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2022-02-21 03:30:46,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:30:46,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2022-02-21 03:30:46,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 8 letters. [2022-02-21 03:30:46,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:30:46,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. cyclomatic complexity: 6 [2022-02-21 03:30:46,683 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:30:46,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-02-21 03:30:46,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:30:46,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:30:46,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:30:46,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:30:46,687 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:30:46,687 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:30:46,687 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:30:46,687 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:30:46,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:30:46,687 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:30:46,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:30:46,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:30:46 BoogieIcfgContainer [2022-02-21 03:30:46,692 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:30:46,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:30:46,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:30:46,693 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:30:46,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:30:44" (3/4) ... [2022-02-21 03:30:46,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:30:46,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:30:46,697 INFO L158 Benchmark]: Toolchain (without parser) took 2587.47ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 75.7MB in the beginning and 95.8MB in the end (delta: -20.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-02-21 03:30:46,698 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:30:46,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.37ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 75.4MB in the beginning and 106.9MB in the end (delta: -31.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:30:46,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.31ms. Allocated memory is still 138.4MB. Free memory was 106.9MB in the beginning and 105.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:30:46,703 INFO L158 Benchmark]: Boogie Preprocessor took 15.14ms. Allocated memory is still 138.4MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:30:46,703 INFO L158 Benchmark]: RCFGBuilder took 301.67ms. Allocated memory is still 138.4MB. Free memory was 103.7MB in the beginning and 93.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:30:46,704 INFO L158 Benchmark]: BuchiAutomizer took 1892.36ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 95.8MB in the end (delta: -2.7MB). Peak memory consumption was 254.5kB. Max. memory is 16.1GB. [2022-02-21 03:30:46,704 INFO L158 Benchmark]: Witness Printer took 3.41ms. Allocated memory is still 138.4MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:30:46,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.37ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 75.4MB in the beginning and 106.9MB in the end (delta: -31.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.31ms. Allocated memory is still 138.4MB. Free memory was 106.9MB in the beginning and 105.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.14ms. Allocated memory is still 138.4MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.67ms. Allocated memory is still 138.4MB. Free memory was 103.7MB in the beginning and 93.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1892.36ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 95.8MB in the end (delta: -2.7MB). Peak memory consumption was 254.5kB. Max. memory is 16.1GB. * Witness Printer took 3.41ms. Allocated memory is still 138.4MB. Free memory is still 95.8MB. 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[x][x] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 7 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital105 mio100 ax117 hnf100 lsp75 ukn73 mio100 lsp39 div100 bol100 ite100 ukn100 eq144 hnf92 smp91 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 3 VariablesLoop: 2 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! [2022-02-21 03:30:46,739 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