./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.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_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9 --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 042ba0cf9f984e514db487c54675506767b9d40b4338fd29601244496f8bb682 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:00:48,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:00:48,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:00:48,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:00:48,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:00:48,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:00:48,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:00:48,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:00:48,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:00:48,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:00:48,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:00:48,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:00:48,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:00:48,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:00:48,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:00:48,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:00:48,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:00:48,728 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:00:48,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:00:48,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:00:48,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:00:48,730 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:00:48,731 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:00:48,731 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:00:48,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:00:48,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:48,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:00:48,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:00:48,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:00:48,734 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:00:48,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:00:48,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:00:48,735 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_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 042ba0cf9f984e514db487c54675506767b9d40b4338fd29601244496f8bb682 [2023-12-03 00:00:48,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:00:48,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:00:48,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:00:48,976 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:00:48,976 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:00:48,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i [2023-12-03 00:00:51,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:00:52,127 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:00:52,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i [2023-12-03 00:00:52,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/data/1882fc825/aa8a4e7f85504bac9d28340f4632f074/FLAG2bf3dd9fa [2023-12-03 00:00:52,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/data/1882fc825/aa8a4e7f85504bac9d28340f4632f074 [2023-12-03 00:00:52,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:00:52,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:00:52,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:52,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:00:52,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:00:52,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:52" (1/1) ... [2023-12-03 00:00:52,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e75631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:52, skipping insertion in model container [2023-12-03 00:00:52,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:52" (1/1) ... [2023-12-03 00:00:52,245 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:00:53,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:53,017 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:00:53,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:53,287 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:53,287 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:53,287 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:53,288 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:53,295 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:00:53,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53 WrapperNode [2023-12-03 00:00:53,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:53,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:53,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:00:53,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:00:53,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,359 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-12-03 00:00:53,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:53,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:00:53,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:00:53,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:00:53,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:00:53,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:00:53,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:00:53,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:00:53,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:53,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:00:53,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:00:53,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:00:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:00:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:00:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:00:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:00:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:00:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:00:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:00:53,632 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:00:53,634 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:00:53,730 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:00:53,779 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:00:53,779 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:00:53,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:53 BoogieIcfgContainer [2023-12-03 00:00:53,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:00:53,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:00:53,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:00:53,790 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:00:53,790 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:53" (1/1) ... [2023-12-03 00:00:53,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:00:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 00:00:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 00:00:53,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:00:53,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:53,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:53,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:54,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:54,072 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:00:54,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 00:00:54,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:00:54 ImpRootNode [2023-12-03 00:00:54,100 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:00:54,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:00:54,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:00:54,101 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:00:54,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:53" (3/4) ... [2023-12-03 00:00:54,104 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:00:54,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:00:54,107 INFO L158 Benchmark]: Toolchain (without parser) took 1933.53ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 113.9MB in the beginning and 119.4MB in the end (delta: -5.5MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-12-03 00:00:54,107 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:54,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1122.44ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 113.4MB in the beginning and 154.0MB in the end (delta: -40.7MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2023-12-03 00:00:54,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.71ms. Allocated memory is still 192.9MB. Free memory was 154.0MB in the beginning and 150.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:54,109 INFO L158 Benchmark]: Boogie Preprocessor took 31.59ms. Allocated memory is still 192.9MB. Free memory was 150.9MB in the beginning and 149.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:54,110 INFO L158 Benchmark]: RCFGBuilder took 387.88ms. Allocated memory is still 192.9MB. Free memory was 149.8MB in the beginning and 135.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:00:54,110 INFO L158 Benchmark]: CodeCheck took 318.21ms. Allocated memory is still 192.9MB. Free memory was 135.2MB in the beginning and 120.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:00:54,111 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 192.9MB. Free memory was 120.2MB in the beginning and 119.4MB in the end (delta: 752.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:54,115 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1122.44ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 113.4MB in the beginning and 154.0MB in the end (delta: -40.7MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.71ms. Allocated memory is still 192.9MB. Free memory was 154.0MB in the beginning and 150.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.59ms. Allocated memory is still 192.9MB. Free memory was 150.9MB in the beginning and 149.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.88ms. Allocated memory is still 192.9MB. Free memory was 149.8MB in the beginning and 135.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 318.21ms. Allocated memory is still 192.9MB. Free memory was 135.2MB in the beginning and 120.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 192.9MB. Free memory was 120.2MB in the beginning and 119.4MB in the end (delta: 752.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:00:54,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9 --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 042ba0cf9f984e514db487c54675506767b9d40b4338fd29601244496f8bb682 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:00:56,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:00:56,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:00:56,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:00:56,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:00:56,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:00:56,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:00:56,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:00:56,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:00:56,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:00:56,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:00:56,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:00:56,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:00:56,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:00:56,219 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:00:56,220 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:00:56,220 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:00:56,221 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:00:56,221 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:00:56,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:00:56,222 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:00:56,223 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:00:56,224 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:00:56,224 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:00:56,225 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:56,225 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:00:56,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:00:56,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:56,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:00:56,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:00:56,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:00:56,228 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:00:56,228 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:56,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:00:56,229 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:00:56,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:00:56,229 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 042ba0cf9f984e514db487c54675506767b9d40b4338fd29601244496f8bb682 [2023-12-03 00:00:56,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:00:56,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:00:56,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:00:56,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:00:56,538 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:00:56,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i [2023-12-03 00:00:59,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:00:59,751 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:00:59,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_06_bad.i [2023-12-03 00:00:59,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/data/cd9d65051/68557aaed533422b8f090281c72a230c/FLAGc12e6a14b [2023-12-03 00:00:59,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/data/cd9d65051/68557aaed533422b8f090281c72a230c [2023-12-03 00:00:59,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:00:59,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:00:59,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:59,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:00:59,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:00:59,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:59" (1/1) ... [2023-12-03 00:00:59,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140da4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:59, skipping insertion in model container [2023-12-03 00:00:59,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:59" (1/1) ... [2023-12-03 00:00:59,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:01:00,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:01:00,899 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:01:01,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:01:01,102 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:01,102 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:01,103 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:01,103 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:01,110 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:01:01,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01 WrapperNode [2023-12-03 00:01:01,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:01:01,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:01:01,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:01:01,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:01:01,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,178 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-12-03 00:01:01,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:01:01,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:01:01,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:01:01,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:01:01,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:01:01,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:01:01,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:01:01,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:01:01,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:01:01,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:01:01,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:01:01,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:01:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:01:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:01:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:01:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:01:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:01:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:01:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:01:01,491 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:01:01,494 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:01:01,616 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:01:01,673 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:01:01,673 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:01:01,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:01:01 BoogieIcfgContainer [2023-12-03 00:01:01,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:01:01,676 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:01:01,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:01:01,688 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:01:01,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:01:01" (1/1) ... [2023-12-03 00:01:01,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:01:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 00:01:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 00:01:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:01:01,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:01,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:01:01,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:01:01,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:01:01,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:01:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:01:01,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:01:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:01:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:01:02,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:01:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:01:02,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:01:02,135 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:01:02,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-03 00:01:02,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:01:02 ImpRootNode [2023-12-03 00:01:02,163 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:01:02,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:01:02,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:01:02,164 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:01:02,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:01:01" (3/4) ... [2023-12-03 00:01:02,168 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:01:02,169 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:01:02,169 INFO L158 Benchmark]: Toolchain (without parser) took 2368.07ms. Allocated memory is still 111.1MB. Free memory was 84.3MB in the beginning and 54.1MB in the end (delta: 30.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-12-03 00:01:02,170 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 81.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:01:02,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1308.11ms. Allocated memory is still 111.1MB. Free memory was 83.9MB in the beginning and 42.5MB in the end (delta: 41.4MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-12-03 00:01:02,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.90ms. Allocated memory is still 111.1MB. Free memory was 42.3MB in the beginning and 38.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:01:02,172 INFO L158 Benchmark]: Boogie Preprocessor took 38.41ms. Allocated memory is still 111.1MB. Free memory was 38.9MB in the beginning and 37.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:01:02,173 INFO L158 Benchmark]: RCFGBuilder took 456.40ms. Allocated memory is still 111.1MB. Free memory was 36.8MB in the beginning and 70.5MB in the end (delta: -33.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 00:01:02,173 INFO L158 Benchmark]: CodeCheck took 486.81ms. Allocated memory is still 111.1MB. Free memory was 70.5MB in the beginning and 54.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:01:02,174 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 111.1MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:01:02,178 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 81.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1308.11ms. Allocated memory is still 111.1MB. Free memory was 83.9MB in the beginning and 42.5MB in the end (delta: 41.4MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.90ms. Allocated memory is still 111.1MB. Free memory was 42.3MB in the beginning and 38.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.41ms. Allocated memory is still 111.1MB. Free memory was 38.9MB in the beginning and 37.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.40ms. Allocated memory is still 111.1MB. Free memory was 36.8MB in the beginning and 70.5MB in the end (delta: -33.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 486.81ms. Allocated memory is still 111.1MB. Free memory was 70.5MB in the beginning and 54.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 111.1MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:01:02,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78350273-b8a4-45c0-8527-0c032e4440c0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample