./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4401885cec14ac54d274bcfcff9534a3fcc6e4f5a26842ec7be21490efcec87d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:19,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:19,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:16:19,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:19,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:19,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:19,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:19,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:19,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:19,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:19,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:19,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:19,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:19,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:19,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:19,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:19,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:19,513 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:19,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:19,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:19,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:19,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:19,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:19,516 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:19,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:19,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:19,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:19,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:19,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:19,519 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:19,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:19,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:19,520 INFO L153 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_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4401885cec14ac54d274bcfcff9534a3fcc6e4f5a26842ec7be21490efcec87d [2023-11-24 22:16:19,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:19,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:19,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:19,906 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:19,906 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:19,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_good.i [2023-11-24 22:16:23,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:23,450 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:23,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_11_good.i [2023-11-24 22:16:23,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/data/a669a0cb6/fd8f61449d40404ca5463d9d2a7dd690/FLAGf07c30be1 [2023-11-24 22:16:23,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/data/a669a0cb6/fd8f61449d40404ca5463d9d2a7dd690 [2023-11-24 22:16:23,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:23,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:23,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:23,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:23,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:23,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:23" (1/1) ... [2023-11-24 22:16:23,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11935f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:23, skipping insertion in model container [2023-11-24 22:16:23,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:23" (1/1) ... [2023-11-24 22:16:23,581 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:24,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:24,598 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:24,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:24,901 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:24,902 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:24,902 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:24,902 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:24,911 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:24,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24 WrapperNode [2023-11-24 22:16:24,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:24,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:24,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:24,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:24,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:24,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,030 INFO L138 Inliner]: procedures = 502, calls = 94, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 161 [2023-11-24 22:16:25,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:25,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:25,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:25,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:25,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:25,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:25,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:25,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:25,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:24" (1/1) ... [2023-11-24 22:16:25,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:25,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:25,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:25,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:16:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:16:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:16:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:16:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-24 22:16:25,239 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-24 22:16:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-24 22:16:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-24 22:16:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:16:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:25,420 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:25,422 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:25,743 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:25,839 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:25,839 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:16:25,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:25 BoogieIcfgContainer [2023-11-24 22:16:25,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:25,842 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:25,843 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:25,854 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:25,854 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:25" (1/1) ... [2023-11-24 22:16:25,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 73 states and 93 transitions. [2023-11-24 22:16:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-11-24 22:16:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:25,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:25,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 72 states and 92 transitions. [2023-11-24 22:16:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-24 22:16:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:26,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:26,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 91 transitions. [2023-11-24 22:16:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2023-11-24 22:16:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:16:27,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:27,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:16:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 87 transitions. [2023-11-24 22:16:27,542 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-24 22:16:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:27,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:27,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:16:27,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 86 transitions. [2023-11-24 22:16:27,807 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-11-24 22:16:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:16:27,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 85 transitions. [2023-11-24 22:16:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-11-24 22:16:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:16:28,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:28,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 22:16:28,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 84 transitions. [2023-11-24 22:16:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-24 22:16:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:16:28,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:28,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:16:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 91 transitions. [2023-11-24 22:16:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2023-11-24 22:16:29,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:16:29,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:29,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:16:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 99 transitions. [2023-11-24 22:16:29,488 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-11-24 22:16:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:16:29,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:29,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:16:29,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 78 transitions. [2023-11-24 22:16:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-24 22:16:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:16:29,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:29,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 22:16:30,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:30,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 77 transitions. [2023-11-24 22:16:30,136 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-24 22:16:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:16:30,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:30,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:30,399 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 22:16:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:30,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 76 transitions. [2023-11-24 22:16:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2023-11-24 22:16:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:16:30,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 22:16:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:30,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 75 transitions. [2023-11-24 22:16:30,942 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-11-24 22:16:30,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:16:30,944 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-24 22:16:30,954 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:16:31,122 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:16:31,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:16:31 ImpRootNode [2023-11-24 22:16:31,127 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:16:31,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:16:31,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:16:31,128 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:16:31,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:25" (3/4) ... [2023-11-24 22:16:31,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:16:31,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:16:31,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-24 22:16:31,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:16:31,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-24 22:16:31,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-24 22:16:31,150 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 22:16:31,150 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:16:31,151 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:16:31,274 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:16:31,274 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:16:31,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:16:31,275 INFO L158 Benchmark]: Toolchain (without parser) took 7773.80ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 157.4MB in the beginning and 110.9MB in the end (delta: 46.5MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,275 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:31,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1409.03ms. Allocated memory is still 188.7MB. Free memory was 157.4MB in the beginning and 92.5MB in the end (delta: 64.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.86ms. Allocated memory is still 188.7MB. Free memory was 92.5MB in the beginning and 89.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,277 INFO L158 Benchmark]: Boogie Preprocessor took 69.40ms. Allocated memory is still 188.7MB. Free memory was 89.2MB in the beginning and 88.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:31,277 INFO L158 Benchmark]: RCFGBuilder took 720.23ms. Allocated memory is still 188.7MB. Free memory was 156.2MB in the beginning and 133.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,277 INFO L158 Benchmark]: CodeCheck took 5284.65ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 133.2MB in the beginning and 118.1MB in the end (delta: 15.1MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,278 INFO L158 Benchmark]: Witness Printer took 146.96ms. Allocated memory is still 226.5MB. Free memory was 117.2MB in the beginning and 110.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:16:31,280 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 5 procedures, 73 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1706 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 1178 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 380 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1274 IncrementalHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 380 mSolverCounterUnsat, 1038 mSDtfsCounter, 1274 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3428 GetRequests, 3358 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 214/220 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1409.03ms. Allocated memory is still 188.7MB. Free memory was 157.4MB in the beginning and 92.5MB in the end (delta: 64.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.86ms. Allocated memory is still 188.7MB. Free memory was 92.5MB in the beginning and 89.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.40ms. Allocated memory is still 188.7MB. Free memory was 89.2MB in the beginning and 88.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 720.23ms. Allocated memory is still 188.7MB. Free memory was 156.2MB in the beginning and 133.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 5284.65ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 133.2MB in the beginning and 118.1MB in the end (delta: 15.1MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Witness Printer took 146.96ms. Allocated memory is still 226.5MB. Free memory was 117.2MB in the beginning and 110.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:16:31,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad19ae4-51d1-4975-a1ee-ac7603e2d0bf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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