./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:16:56,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:16:56,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:16:56,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:16:56,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:16:56,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:16:56,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:16:56,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:16:56,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:16:56,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:16:56,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:16:56,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:16:56,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:16:56,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:16:56,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:16:56,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:16:56,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:16:56,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:16:56,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:16:56,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:16:56,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:16:56,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:16:56,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:16:56,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:16:56,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:16:56,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:16:56,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:16:56,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:16:56,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:16:56,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:16:56,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:16:56,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:16:56,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:16:56,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:16:56,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:16:56,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:16:56,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:16:56,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:16:56,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:16:56,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:16:56,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:16:56,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:16:56,515 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:16:56,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:16:56,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:16:56,516 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:16:56,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:16:56,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:16:56,518 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:16:56,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:16:56,519 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:16:56,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:16:56,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:16:56,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:16:56,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:16:56,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:16:56,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:16:56,521 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:16:56,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:16:56,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:16:56,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:16:56,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:16:56,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:16:56,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:16:56,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:16:56,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:16:56,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:16:56,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:16:56,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:16:56,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:16:56,523 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:16:56,524 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:16:56,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:16:56,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:16:56,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a [2021-11-07 08:16:56,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:16:56,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:16:56,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:16:56,851 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:16:56,852 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:16:56,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2021-11-07 08:16:56,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/data/660a89e74/e74fec1745524382a8aa3eb92fc0031f/FLAG5c3888574 [2021-11-07 08:16:57,529 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:16:57,530 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2021-11-07 08:16:57,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/data/660a89e74/e74fec1745524382a8aa3eb92fc0031f/FLAG5c3888574 [2021-11-07 08:16:57,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/data/660a89e74/e74fec1745524382a8aa3eb92fc0031f [2021-11-07 08:16:57,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:16:57,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:16:57,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:16:57,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:16:57,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:16:57,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:16:57" (1/1) ... [2021-11-07 08:16:57,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d163d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:57, skipping insertion in model container [2021-11-07 08:16:57,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:16:57" (1/1) ... [2021-11-07 08:16:57,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:16:57,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:16:58,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2021-11-07 08:16:58,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:16:58,201 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:16:58,213 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2021-11-07 08:16:58,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:16:58,232 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:16:58,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58 WrapperNode [2021-11-07 08:16:58,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:16:58,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:16:58,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:16:58,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:16:58,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:16:58,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:16:58,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:16:58,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:16:58,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:16:58,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:16:58,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:16:58,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:16:58,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (1/1) ... [2021-11-07 08:16:58,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:16:58,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:16:58,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:16:58,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:16:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:16:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:16:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 08:16:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:16:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:16:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:16:58,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:16:58,796 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-07 08:16:58,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:16:58 BoogieIcfgContainer [2021-11-07 08:16:58,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:16:58,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:16:58,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:16:58,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:16:58,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:16:57" (1/3) ... [2021-11-07 08:16:58,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33199104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:16:58, skipping insertion in model container [2021-11-07 08:16:58,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:58" (2/3) ... [2021-11-07 08:16:58,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33199104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:16:58, skipping insertion in model container [2021-11-07 08:16:58,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:16:58" (3/3) ... [2021-11-07 08:16:58,809 INFO L111 eAbstractionObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2021-11-07 08:16:58,815 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:16:58,816 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:16:58,889 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:16:58,897 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 08:16:58,897 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:16:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 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) [2021-11-07 08:16:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-07 08:16:58,936 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:16:58,937 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-07 08:16:58,937 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:16:58,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:16:58,944 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2021-11-07 08:16:58,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:16:58,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412717403] [2021-11-07 08:16:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:16:58,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:16:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:16:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:16:59,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:16:59,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412717403] [2021-11-07 08:16:59,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412717403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:16:59,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:16:59,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:16:59,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56787500] [2021-11-07 08:16:59,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:16:59,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:16:59,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:16:59,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:16:59,347 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:59,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:16:59,452 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-11-07 08:16:59,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:16:59,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-07 08:16:59,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:16:59,465 INFO L225 Difference]: With dead ends: 33 [2021-11-07 08:16:59,465 INFO L226 Difference]: Without dead ends: 12 [2021-11-07 08:16:59,470 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:16:59,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-11-07 08:16:59,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2021-11-07 08:16:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-11-07 08:16:59,511 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-11-07 08:16:59,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:16:59,511 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-11-07 08:16:59,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-11-07 08:16:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 08:16:59,513 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:16:59,513 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:16:59,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:16:59,514 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:16:59,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:16:59,522 INFO L85 PathProgramCache]: Analyzing trace with hash -185344033, now seen corresponding path program 1 times [2021-11-07 08:16:59,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:16:59,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847539076] [2021-11-07 08:16:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:16:59,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:16:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:16:59,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:16:59,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:16:59,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847539076] [2021-11-07 08:16:59,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847539076] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:16:59,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960457001] [2021-11-07 08:16:59,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:16:59,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:16:59,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:16:59,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:16:59,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 08:16:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:16:59,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 08:16:59,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:17:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:17:00,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960457001] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:17:00,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:17:00,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-11-07 08:17:00,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240835496] [2021-11-07 08:17:00,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 08:17:00,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:17:00,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 08:17:00,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-07 08:17:00,088 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 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) [2021-11-07 08:17:00,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:17:00,219 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-11-07 08:17:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 08:17:00,220 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 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) Word has length 9 [2021-11-07 08:17:00,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:17:00,221 INFO L225 Difference]: With dead ends: 19 [2021-11-07 08:17:00,221 INFO L226 Difference]: Without dead ends: 17 [2021-11-07 08:17:00,224 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-07 08:17:00,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-07 08:17:00,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2021-11-07 08:17:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:17:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-11-07 08:17:00,236 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 9 [2021-11-07 08:17:00,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:17:00,236 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-11-07 08:17:00,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 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) [2021-11-07 08:17:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-11-07 08:17:00,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 08:17:00,239 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:17:00,242 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1] [2021-11-07 08:17:00,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:17:00,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:17:00,470 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:17:00,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:17:00,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1625670603, now seen corresponding path program 2 times [2021-11-07 08:17:00,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:17:00,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076403495] [2021-11-07 08:17:00,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:17:00,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:17:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:17:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:17:00,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:17:00,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076403495] [2021-11-07 08:17:00,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076403495] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:17:00,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291805195] [2021-11-07 08:17:00,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 08:17:00,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:17:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:17:00,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:17:00,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 08:17:00,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 08:17:00,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:17:00,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 08:17:00,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:17:00,979 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 08:17:00,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291805195] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:17:00,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:17:00,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2021-11-07 08:17:00,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513438474] [2021-11-07 08:17:00,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 08:17:00,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:17:00,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 08:17:00,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 08:17:00,983 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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) [2021-11-07 08:17:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:17:01,018 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2021-11-07 08:17:01,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:17:01,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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) Word has length 13 [2021-11-07 08:17:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:17:01,019 INFO L225 Difference]: With dead ends: 14 [2021-11-07 08:17:01,020 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 08:17:01,020 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-07 08:17:01,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 08:17:01,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 08:17:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:17:01,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 08:17:01,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-11-07 08:17:01,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:17:01,022 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:17:01,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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) [2021-11-07 08:17:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:17:01,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 08:17:01,026 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:17:01,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 08:17:01,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:17:01,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 08:17:01,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:17:01,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:17:01,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:17:01,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:17:01,393 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 08:17:01,394 INFO L857 garLoopResultBuilder]: For program point L29-2(lines 29 33) no Hoare annotation was computed. [2021-11-07 08:17:01,394 INFO L853 garLoopResultBuilder]: At program point L29-3(lines 29 33) the Hoare annotation is: (let ((.cse0 (= ~tmp~0.base ULTIMATE.start_glob2_~p~0.base)) (.cse1 (= ULTIMATE.start_glob2_~pathlim.base ~tmp~0.base)) (.cse2 (<= ULTIMATE.start_glob2_~pathlim.offset ~tmp~0.offset))) (or (and .cse0 .cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse2) (and .cse0 .cse1 (<= 4 ~tmp~0.offset) .cse2 (= ULTIMATE.start_glob2_~p~0.offset 0)))) [2021-11-07 08:17:01,394 INFO L857 garLoopResultBuilder]: For program point L29-4(lines 29 33) no Hoare annotation was computed. [2021-11-07 08:17:01,395 INFO L853 garLoopResultBuilder]: At program point L48(lines 38 49) the Hoare annotation is: (or (and (= ULTIMATE.start_glob2_~pathlim.base ~tmp~0.base) (<= 4 ~tmp~0.offset) (= ULTIMATE.start_glob2_~p~0.offset 0)) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) [2021-11-07 08:17:01,395 INFO L857 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2021-11-07 08:17:01,395 INFO L853 garLoopResultBuilder]: At program point L15-2(lines 14 19) the Hoare annotation is: (and (= ~tmp~0.base ULTIMATE.start_glob2_~p~0.base) (= ULTIMATE.start_glob2_~pathlim.base ~tmp~0.base) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= ULTIMATE.start_glob2_~pathlim.offset ~tmp~0.offset)) [2021-11-07 08:17:01,396 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 08:17:01,396 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 08:17:01,396 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 08:17:01,397 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2021-11-07 08:17:01,397 INFO L857 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2021-11-07 08:17:01,397 INFO L853 garLoopResultBuilder]: At program point L35(lines 25 36) the Hoare annotation is: (or (and (= ULTIMATE.start_glob2_~pathlim.base ~tmp~0.base) (<= 4 ~tmp~0.offset) (= ULTIMATE.start_glob2_~p~0.offset 0)) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) [2021-11-07 08:17:01,402 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1] [2021-11-07 08:17:01,404 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:17:01,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:17:01 BoogieIcfgContainer [2021-11-07 08:17:01,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:17:01,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:17:01,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:17:01,446 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:17:01,447 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:16:58" (3/4) ... [2021-11-07 08:17:01,450 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 08:17:01,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-07 08:17:01,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 08:17:01,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:17:01,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:17:01,517 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:17:01,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:17:01,527 INFO L168 Benchmark]: Toolchain (without parser) took 3638.62 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 70.0 MB in the beginning and 101.0 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:17:01,528 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 107.0 MB. Free memory was 86.9 MB in the beginning and 86.8 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:17:01,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.61 ms. Allocated memory is still 107.0 MB. Free memory was 69.9 MB in the beginning and 81.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:01,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.68 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 80.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:01,530 INFO L168 Benchmark]: Boogie Preprocessor took 41.86 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 79.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:17:01,530 INFO L168 Benchmark]: RCFGBuilder took 457.70 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 69.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:01,531 INFO L168 Benchmark]: TraceAbstraction took 2644.26 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.9 MB in the beginning and 103.8 MB in the end (delta: -34.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:01,532 INFO L168 Benchmark]: Witness Printer took 79.23 ms. Allocated memory is still 130.0 MB. Free memory was 103.8 MB in the beginning and 101.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:17:01,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 107.0 MB. Free memory was 86.9 MB in the beginning and 86.8 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 344.61 ms. Allocated memory is still 107.0 MB. Free memory was 69.9 MB in the beginning and 81.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.68 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 80.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.86 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 79.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 457.70 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 69.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2644.26 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.9 MB in the beginning and 103.8 MB in the end (delta: -34.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * Witness Printer took 79.23 ms. Allocated memory is still 130.0 MB. Free memory was 103.8 MB in the beginning and 101.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 37 SDslu, 30 SDs, 0 SdLazy, 46 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 13 NumberOfFragments, 73 HoareAnnotationTreeSize, 4 FomulaSimplifications, 118 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 49 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 24 NumberOfNonLiveVariables, 163 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 10/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((tmp == p && pathlim == tmp) && 1 <= cond) && pathlim <= tmp) || ((((tmp == p && pathlim == tmp) && 4 <= tmp) && pathlim <= tmp) && p == 0) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((tmp == p && pathlim == tmp) && 1 <= cond) && pathlim <= tmp - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((pathlim == tmp && 4 <= tmp) && p == 0) || !(0 == cond) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((pathlim == tmp && 4 <= tmp) && p == 0) || !(0 == cond) RESULT: Ultimate proved your program to be correct! [2021-11-07 08:17:01,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dab475-07ce-4d96-8f2b-810685a291e6/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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