./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/array01-alloca-1.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 edc22a27a339ef391e3ea3841daa4645b584cc0ad7185141d6d001b72dd17f19 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 01:38:18,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:38:18,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:38:18,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:38:18,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:38:18,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:38:18,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:38:18,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:38:18,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:38:18,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:38:18,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:38:18,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:38:18,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:38:18,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:38:18,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:38:18,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:38:18,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:38:18,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:38:18,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:38:18,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:38:18,426 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:38:18,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:38:18,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:38:18,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:38:18,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:38:18,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:38:18,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:38:18,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:38:18,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:38:18,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:38:18,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:38:18,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:38:18,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:38:18,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:38:18,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:38:18,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:38:18,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:38:18,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:38:18,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:38:18,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:38:18,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:38:18,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:38:18,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-22 01:38:18,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:38:18,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:38:18,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:38:18,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:38:18,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:38:18,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:38:18,489 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:38:18,489 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:38:18,489 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:38:18,490 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:38:18,490 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:38:18,490 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:38:18,491 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:38:18,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:38:18,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:38:18,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:38:18,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:38:18,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:38:18,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:38:18,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:38:18,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:38:18,492 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:38:18,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:38:18,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:38:18,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:38:18,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:38:18,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:38:18,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:38:18,495 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:38:18,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edc22a27a339ef391e3ea3841daa4645b584cc0ad7185141d6d001b72dd17f19 [2022-07-22 01:38:18,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:38:18,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:38:18,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:38:18,825 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:38:18,826 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:38:18,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2022-07-22 01:38:18,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a4ecdbc6/7ec3cfd50c5b41269747bc42973bb824/FLAGd5362ce8d [2022-07-22 01:38:19,367 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:38:19,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2022-07-22 01:38:19,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a4ecdbc6/7ec3cfd50c5b41269747bc42973bb824/FLAGd5362ce8d [2022-07-22 01:38:19,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a4ecdbc6/7ec3cfd50c5b41269747bc42973bb824 [2022-07-22 01:38:19,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:38:19,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:38:19,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:38:19,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:38:19,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:38:19,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:38:19" (1/1) ... [2022-07-22 01:38:19,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@daf140d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:19, skipping insertion in model container [2022-07-22 01:38:19,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:38:19" (1/1) ... [2022-07-22 01:38:19,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:38:19,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:38:20,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:38:20,161 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:38:20,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:38:20,234 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:38:20,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20 WrapperNode [2022-07-22 01:38:20,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:38:20,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:38:20,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:38:20,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:38:20,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,279 INFO L137 Inliner]: procedures = 111, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-07-22 01:38:20,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:38:20,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:38:20,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:38:20,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:38:20,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:38:20,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:38:20,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:38:20,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:38:20,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (1/1) ... [2022-07-22 01:38:20,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:20,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:20,352 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) [2022-07-22 01:38:20,365 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 [2022-07-22 01:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 01:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 01:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 01:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 01:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:38:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:38:20,533 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:38:20,535 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:38:20,680 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:38:20,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:38:20,688 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 01:38:20,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:38:20 BoogieIcfgContainer [2022-07-22 01:38:20,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:38:20,691 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:38:20,691 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:38:20,694 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:38:20,695 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:38:20,695 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:38:19" (1/3) ... [2022-07-22 01:38:20,696 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7204b72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:38:20, skipping insertion in model container [2022-07-22 01:38:20,696 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:38:20,696 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:38:20" (2/3) ... [2022-07-22 01:38:20,697 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7204b72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:38:20, skipping insertion in model container [2022-07-22 01:38:20,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:38:20,697 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:38:20" (3/3) ... [2022-07-22 01:38:20,699 INFO L354 chiAutomizerObserver]: Analyzing ICFG array01-alloca-1.i [2022-07-22 01:38:20,757 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:38:20,757 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:38:20,757 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:38:20,757 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:38:20,758 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:38:20,758 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:38:20,758 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:38:20,758 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:38:20,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-07-22 01:38:20,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 01:38:20,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:38:20,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:38:20,787 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 01:38:20,787 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 01:38:20,787 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:38:20,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2022-07-22 01:38:20,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 01:38:20,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:38:20,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:38:20,791 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 01:38:20,791 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 01:38:20,797 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 4#L561true assume !(main_~array_size~0#1 < 1); 7#L561-2true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 11#L565-3true [2022-07-22 01:38:20,798 INFO L754 eck$LassoCheckResult]: Loop: 11#L565-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 13#L565-2true main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11#L565-3true [2022-07-22 01:38:20,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:20,805 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-07-22 01:38:20,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:20,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681579761] [2022-07-22 01:38:20,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:20,904 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:20,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:20,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:20,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-07-22 01:38:20,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:20,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466084861] [2022-07-22 01:38:20,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:20,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:20,967 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:20,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:20,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:20,988 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-07-22 01:38:20,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:20,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226207728] [2022-07-22 01:38:20,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:20,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:21,006 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:21,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:21,258 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:38:21,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:38:21,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:38:21,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:38:21,259 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:38:21,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:21,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:38:21,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:38:21,260 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration1_Lasso [2022-07-22 01:38:21,260 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:38:21,260 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:38:21,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:21,724 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:38:21,727 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:38:21,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:21,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:21,731 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) [2022-07-22 01:38:21,732 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 [2022-07-22 01:38:21,734 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 [2022-07-22 01:38:21,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:21,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:38:21,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:21,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:21,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:21,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:38:21,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:38:21,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:21,822 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 [2022-07-22 01:38:21,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:21,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:21,824 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) [2022-07-22 01:38:21,826 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 [2022-07-22 01:38:21,827 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 [2022-07-22 01:38:21,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:21,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:38:21,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:21,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:21,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:21,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:38:21,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:38:21,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:21,879 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 [2022-07-22 01:38:21,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:21,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:21,881 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) [2022-07-22 01:38:21,883 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 [2022-07-22 01:38:21,885 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 [2022-07-22 01:38:21,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:21,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:21,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:21,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:21,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:38:21,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:38:21,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:21,936 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 [2022-07-22 01:38:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:21,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:21,938 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) [2022-07-22 01:38:21,939 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 [2022-07-22 01:38:21,940 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 [2022-07-22 01:38:21,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:21,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:21,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:21,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:21,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:38:21,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:38:21,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:21,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 01:38:21,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:21,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:21,997 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) [2022-07-22 01:38:22,002 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 [2022-07-22 01:38:22,002 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 [2022-07-22 01:38:22,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:22,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:38:22,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:22,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:22,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:22,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:38:22,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:38:22,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:22,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-22 01:38:22,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:22,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:22,054 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:38:22,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 01:38:22,058 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 [2022-07-22 01:38:22,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:22,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:22,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:22,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:22,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:38:22,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:38:22,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:22,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 01:38:22,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:22,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:22,123 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:38:22,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:38:22,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:22,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:22,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:22,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:22,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:38:22,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:38:22,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 01:38:22,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:22,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 01:38:22,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:22,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:22,170 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:38:22,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 01:38:22,173 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 [2022-07-22 01:38:22,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:22,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:38:22,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:22,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:22,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:22,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:38:22,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:38:22,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:38:22,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-22 01:38:22,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:22,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:22,208 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:38:22,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 01:38:22,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:38:22,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:38:22,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:38:22,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:38:22,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:38:22,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:38:22,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:38:22,248 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:38:22,278 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-07-22 01:38:22,279 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-07-22 01:38:22,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:22,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:38:22,287 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:38:22,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:38:22,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 01:38:22,311 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 01:38:22,311 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:38:22,311 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1) = -2*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2022-07-22 01:38:22,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 01:38:22,351 INFO L293 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-07-22 01:38:22,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:22,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 01:38:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:22,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 01:38:22,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:22,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 01:38:22,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:38:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:38:22,491 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 01:38:22,493 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2022-07-22 01:38:22,555 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 35 states and 50 transitions. Complement of second has 9 states. [2022-07-22 01:38:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 01:38:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2022-07-22 01:38:22,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2022-07-22 01:38:22,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 01:38:22,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:38:22,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-22 01:38:22,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:38:22,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 4 letters. Loop has 4 letters. [2022-07-22 01:38:22,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:38:22,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 50 transitions. [2022-07-22 01:38:22,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 01:38:22,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 12 states and 16 transitions. [2022-07-22 01:38:22,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-22 01:38:22,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-22 01:38:22,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2022-07-22 01:38:22,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 01:38:22,570 INFO L369 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-22 01:38:22,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2022-07-22 01:38:22,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-07-22 01:38:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-07-22 01:38:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2022-07-22 01:38:22,590 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-22 01:38:22,590 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-22 01:38:22,590 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 01:38:22,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2022-07-22 01:38:22,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 01:38:22,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:38:22,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:38:22,591 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-22 01:38:22,591 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 01:38:22,591 INFO L752 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 129#L561 assume !(main_~array_size~0#1 < 1); 130#L561-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 121#L565-3 assume !(main_~i~1#1 < main_~array_size~0#1); 123#L565-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 132#L551-3 [2022-07-22 01:38:22,591 INFO L754 eck$LassoCheckResult]: Loop: 132#L551-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 127#L552-3 call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 128#L552-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 131#L551-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 132#L551-3 [2022-07-22 01:38:22,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:22,592 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-07-22 01:38:22,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:22,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813899554] [2022-07-22 01:38:22,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:22,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:38:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:38:22,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:38:22,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813899554] [2022-07-22 01:38:22,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813899554] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 01:38:22,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 01:38:22,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 01:38:22,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777216339] [2022-07-22 01:38:22,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 01:38:22,640 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 01:38:22,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:22,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2022-07-22 01:38:22,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:22,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234041931] [2022-07-22 01:38:22,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:22,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,659 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:22,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 01:38:22,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 01:38:22,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 01:38:22,718 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2022-07-22 01:38:22,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 01:38:22,738 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2022-07-22 01:38:22,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 01:38:22,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2022-07-22 01:38:22,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 01:38:22,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2022-07-22 01:38:22,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-22 01:38:22,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-22 01:38:22,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2022-07-22 01:38:22,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 01:38:22,744 INFO L369 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-22 01:38:22,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2022-07-22 01:38:22,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-07-22 01:38:22,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:38:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-07-22 01:38:22,746 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-22 01:38:22,746 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-22 01:38:22,746 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 01:38:22,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-07-22 01:38:22,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 01:38:22,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:38:22,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:38:22,747 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 01:38:22,747 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 01:38:22,748 INFO L752 eck$LassoCheckResult]: Stem: 153#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 154#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 155#L561 assume !(main_~array_size~0#1 < 1); 156#L561-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 157#L565-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 158#L565-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 159#L565-3 assume !(main_~i~1#1 < main_~array_size~0#1); 160#L565-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 164#L551-3 [2022-07-22 01:38:22,748 INFO L754 eck$LassoCheckResult]: Loop: 164#L551-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 161#L552-3 call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 162#L552-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 163#L551-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 164#L551-3 [2022-07-22 01:38:22,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:22,748 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-07-22 01:38:22,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:22,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993380941] [2022-07-22 01:38:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,767 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:22,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:22,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2022-07-22 01:38:22,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:22,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898089371] [2022-07-22 01:38:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:22,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,791 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:22,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:38:22,797 INFO L85 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2022-07-22 01:38:22,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:38:22,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194405526] [2022-07-22 01:38:22,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:38:22,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:38:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,824 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:38:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:38:22,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:38:23,176 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:38:23,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:38:23,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:38:23,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:38:23,177 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:38:23,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:38:23,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:38:23,177 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:38:23,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration3_Lasso [2022-07-22 01:38:23,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:38:23,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:38:23,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:38:23,226 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:914) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:823) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-22 01:38:23,231 INFO L158 Benchmark]: Toolchain (without parser) took 3363.79ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 36.7MB in the beginning and 57.0MB in the end (delta: -20.3MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-07-22 01:38:23,231 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:38:23,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.03ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 37.4MB in the end (delta: -896.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 01:38:23,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.92ms. Allocated memory is still 58.7MB. Free memory was 37.3MB in the beginning and 35.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 01:38:23,233 INFO L158 Benchmark]: Boogie Preprocessor took 39.72ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 34.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 01:38:23,233 INFO L158 Benchmark]: RCFGBuilder took 368.74ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 34.3MB in the beginning and 54.2MB in the end (delta: -20.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-07-22 01:38:23,234 INFO L158 Benchmark]: BuchiAutomizer took 2538.20ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 54.2MB in the beginning and 57.0MB in the end (delta: -2.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-07-22 01:38:23,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.03ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 37.4MB in the end (delta: -896.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.92ms. Allocated memory is still 58.7MB. Free memory was 37.3MB in the beginning and 35.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.72ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 34.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.74ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 34.3MB in the beginning and 54.2MB in the end (delta: -20.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2538.20ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 54.2MB in the beginning and 57.0MB in the end (delta: -2.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-22 01:38:23,267 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null