./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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/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-?-6c24879 [2022-07-13 03:17:16,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:17:16,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:17:16,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:17:16,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:17:16,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:17:16,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:17:16,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:17:16,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:17:16,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:17:16,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:17:16,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:17:16,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:17:16,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:17:16,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:17:16,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:17:16,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:17:16,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:17:16,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:17:16,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:17:16,329 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:17:16,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:17:16,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:17:16,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:17:16,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:17:16,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:17:16,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:17:16,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:17:16,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:17:16,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:17:16,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:17:16,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:17:16,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:17:16,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:17:16,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:17:16,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:17:16,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:17:16,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:17:16,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:17:16,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:17:16,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:17:16,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:17:16,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-13 03:17:16,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:17:16,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:17:16,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:17:16,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:17:16,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:17:16,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:17:16,373 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:17:16,373 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:17:16,373 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:17:16,374 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:17:16,374 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:17:16,374 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:17:16,374 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:17:16,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:17:16,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:17:16,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:17:16,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:17:16,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:17:16,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:17:16,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:17:16,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:17:16,376 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:17:16,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:17:16,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:17:16,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:17:16,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:17:16,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:17:16,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:17:16,378 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:17:16,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec52b50984ce4a37adbf31241337a0752ee4ecf2eb9496b3e3fee60fba9a59cc [2022-07-13 03:17:16,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:17:16,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:17:16,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:17:16,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:17:16,559 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:17:16,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2022-07-13 03:17:16,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd36238d/92f5b8f71f4f4b299682c440537d7bee/FLAGf70ae30c4 [2022-07-13 03:17:16,970 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:17:16,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2022-07-13 03:17:16,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd36238d/92f5b8f71f4f4b299682c440537d7bee/FLAGf70ae30c4 [2022-07-13 03:17:17,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd36238d/92f5b8f71f4f4b299682c440537d7bee [2022-07-13 03:17:17,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:17:17,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:17:17,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:17:17,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:17:17,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:17:17,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be0fb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17, skipping insertion in model container [2022-07-13 03:17:17,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:17:17,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:17:17,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:17:17,270 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:17:17,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:17:17,326 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:17:17,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17 WrapperNode [2022-07-13 03:17:17,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:17:17,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:17:17,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:17:17,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:17:17,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,359 INFO L137 Inliner]: procedures = 111, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2022-07-13 03:17:17,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:17:17,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:17:17,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:17:17,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:17:17,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:17:17,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:17:17,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:17:17,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:17:17,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (1/1) ... [2022-07-13 03:17:17,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:17,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:17,414 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) [2022-07-13 03:17:17,417 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 [2022-07-13 03:17:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 03:17:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 03:17:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 03:17:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 03:17:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:17:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:17:17,520 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:17:17,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:17:17,626 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:17:17,630 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:17:17,630 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 03:17:17,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:17:17 BoogieIcfgContainer [2022-07-13 03:17:17,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:17:17,632 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:17:17,633 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:17:17,646 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:17:17,647 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:17:17,647 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:17:17" (1/3) ... [2022-07-13 03:17:17,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31d54d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:17:17, skipping insertion in model container [2022-07-13 03:17:17,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:17:17,648 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:17:17" (2/3) ... [2022-07-13 03:17:17,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31d54d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:17:17, skipping insertion in model container [2022-07-13 03:17:17,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:17:17,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:17:17" (3/3) ... [2022-07-13 03:17:17,649 INFO L354 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2022-07-13 03:17:17,683 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:17:17,683 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:17:17,683 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:17:17,684 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:17:17,684 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:17:17,684 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:17:17,684 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:17:17,684 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:17:17,687 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) [2022-07-13 03:17:17,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:17:17,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:17:17,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:17:17,702 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 03:17:17,702 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:17:17,702 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 03:17:17,702 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) [2022-07-13 03:17:17,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-13 03:17:17,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:17:17,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:17:17,705 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 03:17:17,705 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:17:17,709 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~x~0.base, ~x~0.offset := 0, 0; 10#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; 8#L555-2true [2022-07-13 03:17:17,709 INFO L754 eck$LassoCheckResult]: Loop: 8#L555-2true call main_#t~mem6#1 := read~int(~x~0.base, ~x~0.offset, 4); 9#L554-1true assume !!(main_#t~mem6#1 > 0);havoc main_#t~mem6#1; 3#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; 6#L548true main_#t~ret8#1 := foo_#res#1;assume { :end_inline_foo } true;havoc main_#t~ret8#1; 8#L555-2true [2022-07-13 03:17:17,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:17,714 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-13 03:17:17,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:17:17,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265393983] [2022-07-13 03:17:17,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:17:17,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:17:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:17,804 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:17:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:17,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:17:17,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:17,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1144072, now seen corresponding path program 1 times [2022-07-13 03:17:17,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:17:17,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434989877] [2022-07-13 03:17:17,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:17:17,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:17:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:17,861 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:17:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:17,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:17:17,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:17,878 INFO L85 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2022-07-13 03:17:17,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:17:17,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087025316] [2022-07-13 03:17:17,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:17:17,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:17:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:17,912 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:17:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:17,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:17:18,176 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:17:18,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:17:18,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:17:18,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:17:18,177 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:17:18,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:18,178 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:17:18,178 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:17:18,179 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i_Iteration1_Lasso [2022-07-13 03:17:18,179 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:17:18,179 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:17:18,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:18,472 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:17:18,475 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:17:18,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:18,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:18,477 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) [2022-07-13 03:17:18,478 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 [2022-07-13 03:17:18,479 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 [2022-07-13 03:17:18,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:18,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:18,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:18,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:18,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:18,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:18,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:18,519 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 [2022-07-13 03:17:18,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:18,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:18,521 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) [2022-07-13 03:17:18,522 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 [2022-07-13 03:17:18,524 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 [2022-07-13 03:17:18,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:18,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:18,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:18,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:18,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:18,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:18,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:18,572 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 [2022-07-13 03:17:18,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:18,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:18,574 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) [2022-07-13 03:17:18,574 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 [2022-07-13 03:17:18,581 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 [2022-07-13 03:17:18,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:18,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:18,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:18,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:18,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:18,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:18,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:18,616 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 [2022-07-13 03:17:18,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:18,617 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) [2022-07-13 03:17:18,618 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 [2022-07-13 03:17:18,620 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 [2022-07-13 03:17:18,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:18,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:18,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:18,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:18,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:18,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:18,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:17:18,679 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-13 03:17:18,680 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-13 03:17:18,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:18,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:18,683 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) [2022-07-13 03:17:18,684 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 [2022-07-13 03:17:18,699 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:17:18,716 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:17:18,717 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:17:18,717 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 [] [2022-07-13 03:17:18,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-07-13 03:17:18,763 INFO L293 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-07-13 03:17:18,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:18,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:17:18,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:18,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 03:17:18,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:18,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-13 03:17:18,902 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 [2022-07-13 03:17:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:17:18,963 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 [2022-07-13 03:17:18,964 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) [2022-07-13 03:17:18,991 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. [2022-07-13 03:17:18,992 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 [2022-07-13 03:17:18,995 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) [2022-07-13 03:17:18,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2022-07-13 03:17:18,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-13 03:17:18,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:18,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2022-07-13 03:17:18,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:18,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 8 letters. [2022-07-13 03:17:18,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:18,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-07-13 03:17:18,998 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:17:19,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-07-13 03:17:19,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-13 03:17:19,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-13 03:17:19,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-13 03:17:19,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:17:19,001 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:17:19,001 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:17:19,001 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:17:19,001 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 03:17:19,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-13 03:17:19,001 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:17:19,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-13 03:17:19,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 03:17:19 BoogieIcfgContainer [2022-07-13 03:17:19,005 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 03:17:19,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 03:17:19,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 03:17:19,005 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 03:17:19,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:17:17" (3/4) ... [2022-07-13 03:17:19,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 03:17:19,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 03:17:19,008 INFO L158 Benchmark]: Toolchain (without parser) took 1997.31ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 52.5MB in the beginning and 74.4MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:17:19,008 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 47.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:17:19,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.93ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 61.7MB in the end (delta: -9.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 03:17:19,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.90ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 59.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:17:19,009 INFO L158 Benchmark]: Boogie Preprocessor took 14.19ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:17:19,009 INFO L158 Benchmark]: RCFGBuilder took 257.44ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 49.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 03:17:19,010 INFO L158 Benchmark]: BuchiAutomizer took 1372.50ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.2MB in the beginning and 75.3MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:17:19,010 INFO L158 Benchmark]: Witness Printer took 1.94ms. Allocated memory is still 111.1MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:17:19,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 47.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.93ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 61.7MB in the end (delta: -9.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.90ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 59.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.19ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 257.44ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 49.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1372.50ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.2MB in the beginning and 75.3MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 1.94ms. Allocated memory is still 111.1MB. Free memory is still 74.4MB. 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 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 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: inital106 mio100 ax116 hnf100 lsp75 ukn73 mio100 lsp39 div100 bol100 ite100 ukn100 eq144 hnf92 smp91 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 3 VariablesLoop: 2 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! [2022-07-13 03:17:19,047 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