./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_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_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/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_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/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_70baae60-1d4d-40a3-b2bf-31e58d638870/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 3190211ccc6a422364bf77d024a3541ce9a976c05c1ec92fa7bc990b6b721b52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:02:38,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:02:38,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:02:38,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:02:38,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:02:38,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:02:38,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:02:38,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:02:38,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:02:38,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:02:38,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:02:38,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:02:38,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:02:38,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:02:38,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:02:38,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:02:38,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:02:38,438 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:02:38,438 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:02:38,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:02:38,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:02:38,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:02:38,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:02:38,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:02:38,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:02:38,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:02:38,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:02:38,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:02:38,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:02:38,443 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:02:38,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:02:38,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:02:38,444 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_70baae60-1d4d-40a3-b2bf-31e58d638870/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3190211ccc6a422364bf77d024a3541ce9a976c05c1ec92fa7bc990b6b721b52 [2023-12-02 21:02:38,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:02:38,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:02:38,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:02:38,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:02:38,698 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:02:38,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i [2023-12-02 21:02:41,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:02:41,720 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:02:41,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i [2023-12-02 21:02:41,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/data/70f8a1852/ac9530696d5343fbbef1790879f0989e/FLAG3a3ffa17b [2023-12-02 21:02:41,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/data/70f8a1852/ac9530696d5343fbbef1790879f0989e [2023-12-02 21:02:41,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:02:41,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:02:41,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:02:41,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:02:41,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:02:41,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:41" (1/1) ... [2023-12-02 21:02:41,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41be0acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:41, skipping insertion in model container [2023-12-02 21:02:41,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:41" (1/1) ... [2023-12-02 21:02:41,837 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:02:42,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:02:42,614 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:02:42,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:02:42,837 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:42,837 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:42,837 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:42,838 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:42,845 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:02:42,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42 WrapperNode [2023-12-02 21:02:42,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:02:42,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:02:42,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:02:42,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:02:42,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,903 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-12-02 21:02:42,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:02:42,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:02:42,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:02:42,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:02:42,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:02:42,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:02:42,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:02:42,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:02:42,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:42" (1/1) ... [2023-12-02 21:02:42,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:02:42,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:02:42,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:02:42,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:02:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:02:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:02:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:02:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:02:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:02:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:02:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:02:43,174 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:02:43,176 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:02:43,257 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:02:43,290 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:02:43,290 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:02:43,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:43 BoogieIcfgContainer [2023-12-02 21:02:43,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:02:43,293 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:02:43,293 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:02:43,302 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:02:43,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:43" (1/1) ... [2023-12-02 21:02:43,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:02:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:02:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:02:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:02:43,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:43,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:02:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:43,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:02:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:43,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:02:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:43,624 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:02:43,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:02:43,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-12-02 21:02:43,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:02:43 ImpRootNode [2023-12-02 21:02:43,652 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:02:43,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:02:43,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:02:43,653 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:02:43,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:43" (3/4) ... [2023-12-02 21:02:43,655 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:02:43,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:02:43,657 INFO L158 Benchmark]: Toolchain (without parser) took 1895.89ms. Allocated memory is still 125.8MB. Free memory was 79.7MB in the beginning and 70.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,657 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:43,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1084.06ms. Allocated memory is still 125.8MB. Free memory was 79.3MB in the beginning and 59.8MB in the end (delta: 19.5MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.80ms. Allocated memory is still 125.8MB. Free memory was 59.8MB in the beginning and 57.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,659 INFO L158 Benchmark]: Boogie Preprocessor took 26.45ms. Allocated memory is still 125.8MB. Free memory was 57.2MB in the beginning and 55.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:43,660 INFO L158 Benchmark]: RCFGBuilder took 360.54ms. Allocated memory is still 125.8MB. Free memory was 55.6MB in the beginning and 86.4MB in the end (delta: -30.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,660 INFO L158 Benchmark]: CodeCheck took 358.82ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 70.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:02:43,661 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 125.8MB. Free memory was 70.9MB in the beginning and 70.3MB in the end (delta: 667.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:43,664 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: 1554]: 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 1571. 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 int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, 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 0.14ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1084.06ms. Allocated memory is still 125.8MB. Free memory was 79.3MB in the beginning and 59.8MB in the end (delta: 19.5MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.80ms. Allocated memory is still 125.8MB. Free memory was 59.8MB in the beginning and 57.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.45ms. Allocated memory is still 125.8MB. Free memory was 57.2MB in the beginning and 55.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.54ms. Allocated memory is still 125.8MB. Free memory was 55.6MB in the beginning and 86.4MB in the end (delta: -30.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 358.82ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 70.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 125.8MB. Free memory was 70.9MB in the beginning and 70.3MB in the end (delta: 667.0kB). 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~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated - 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 [2023-12-02 21:02:43,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/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_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/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_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/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_70baae60-1d4d-40a3-b2bf-31e58d638870/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 3190211ccc6a422364bf77d024a3541ce9a976c05c1ec92fa7bc990b6b721b52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:02:45,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:02:45,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:02:45,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:02:45,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:02:45,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:02:45,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:02:45,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:02:45,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:02:45,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:02:45,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:02:45,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:02:45,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:02:45,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:02:45,721 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:02:45,722 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:02:45,722 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:02:45,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:02:45,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:02:45,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:02:45,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:02:45,725 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:02:45,726 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:02:45,726 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:02:45,727 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:45,727 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:02:45,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:02:45,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:02:45,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:02:45,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:02:45,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:02:45,730 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:02:45,730 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:45,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:02:45,730 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:02:45,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:02:45,731 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_70baae60-1d4d-40a3-b2bf-31e58d638870/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3190211ccc6a422364bf77d024a3541ce9a976c05c1ec92fa7bc990b6b721b52 [2023-12-02 21:02:46,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:02:46,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:02:46,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:02:46,026 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:02:46,026 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:02:46,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i [2023-12-02 21:02:48,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:02:49,024 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:02:49,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_21_bad.i [2023-12-02 21:02:49,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/data/744c5e29a/4a1543c584374a7c849a4936ae0c7434/FLAG0845894c6 [2023-12-02 21:02:49,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/data/744c5e29a/4a1543c584374a7c849a4936ae0c7434 [2023-12-02 21:02:49,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:02:49,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:02:49,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:02:49,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:02:49,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:02:49,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:49" (1/1) ... [2023-12-02 21:02:49,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4bbfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:49, skipping insertion in model container [2023-12-02 21:02:49,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:49" (1/1) ... [2023-12-02 21:02:49,147 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:02:49,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:02:49,919 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:02:49,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:02:50,163 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:50,164 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:50,164 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:50,164 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:02:50,172 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:02:50,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50 WrapperNode [2023-12-02 21:02:50,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:02:50,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:02:50,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:02:50,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:02:50,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,230 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-12-02 21:02:50,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:02:50,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:02:50,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:02:50,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:02:50,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:02:50,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:02:50,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:02:50,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:02:50,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:02:50,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:02:50,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:02:50,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:02:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:02:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:02:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:02:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:02:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:02:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:02:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:02:50,487 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:02:50,489 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:02:50,591 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:02:50,629 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:02:50,629 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:02:50,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:50 BoogieIcfgContainer [2023-12-02 21:02:50,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:02:50,632 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:02:50,632 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:02:50,642 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:02:50,642 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:50" (1/1) ... [2023-12-02 21:02:50,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:02:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:02:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:02:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:02:50,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:50,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:50,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:50,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:50,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:02:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:50,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:02:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:50,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:02:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:02:51,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:02:51,010 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:02:51,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-02 21:02:51,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-12-02 21:02:51,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:02:51 ImpRootNode [2023-12-02 21:02:51,043 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:02:51,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:02:51,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:02:51,044 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:02:51,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:50" (3/4) ... [2023-12-02 21:02:51,046 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:02:51,047 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:02:51,048 INFO L158 Benchmark]: Toolchain (without parser) took 1983.38ms. Allocated memory is still 107.0MB. Free memory was 79.9MB in the beginning and 76.3MB in the end (delta: 3.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,048 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:51,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1106.57ms. Allocated memory is still 107.0MB. Free memory was 79.6MB in the beginning and 77.6MB in the end (delta: 2.0MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.60ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 74.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,050 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:02:51,051 INFO L158 Benchmark]: RCFGBuilder took 362.94ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 56.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,051 INFO L158 Benchmark]: CodeCheck took 410.67ms. Allocated memory is still 107.0MB. Free memory was 56.7MB in the beginning and 77.0MB in the end (delta: -20.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,052 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 76.3MB in the end (delta: 658.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:02:51,055 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: 1554]: 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 1571. 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 int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, 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 0.17ms. Allocated memory is still 60.8MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1106.57ms. Allocated memory is still 107.0MB. Free memory was 79.6MB in the beginning and 77.6MB in the end (delta: 2.0MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.60ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 74.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.94ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 56.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 410.67ms. Allocated memory is still 107.0MB. Free memory was 56.7MB in the beginning and 77.0MB in the end (delta: -20.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 76.3MB in the end (delta: 658.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet98 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated - 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 [2023-12-02 21:02:51,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70baae60-1d4d-40a3-b2bf-31e58d638870/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample