./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/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_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/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_c398203f-67dc-48e5-b027-ed55865633c5/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 7c4ba4bce8bb507679a96575f0895b5a32d9bc7026db41a090599e281784fa11 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:05:00,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:05:00,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:05:00,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:05:00,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:05:00,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:05:00,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:05:00,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:05:00,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:05:00,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:05:00,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:05:00,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:05:00,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:05:00,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:05:00,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:05:00,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:05:00,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:05:00,998 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:05:00,999 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:05:00,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:05:01,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:05:01,004 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:05:01,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:05:01,005 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:05:01,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:05:01,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:05:01,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:05:01,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:05:01,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:05:01,007 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:05:01,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:05:01,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:05:01,008 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_c398203f-67dc-48e5-b027-ed55865633c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c4ba4bce8bb507679a96575f0895b5a32d9bc7026db41a090599e281784fa11 [2023-12-02 22:05:01,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:05:01,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:05:01,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:05:01,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:05:01,255 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:05:01,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_51_bad.i [2023-12-02 22:05:03,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:05:04,248 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:05:04,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_51_bad.i [2023-12-02 22:05:04,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/data/078c35a3a/e96db72668e049f296a02843cf2dfd78/FLAG8b8367b90 [2023-12-02 22:05:04,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/data/078c35a3a/e96db72668e049f296a02843cf2dfd78 [2023-12-02 22:05:04,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:05:04,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:05:04,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:05:04,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:05:04,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:05:04,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:05:04" (1/1) ... [2023-12-02 22:05:04,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369e2a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:04, skipping insertion in model container [2023-12-02 22:05:04,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:05:04" (1/1) ... [2023-12-02 22:05:04,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:05:05,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:05:05,017 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:05:05,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:05:05,247 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:05:05,247 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:05:05,247 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:05:05,247 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:05:05,255 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:05:05,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05 WrapperNode [2023-12-02 22:05:05,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:05:05,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:05:05,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:05:05,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:05:05,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,312 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2023-12-02 22:05:05,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:05:05,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:05:05,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:05:05,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:05:05,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:05:05,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:05:05,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:05:05,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:05:05,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:05:05,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:05:05,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:05:05,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:05:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:05:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:05:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:05:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:05:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:05:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:05:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:05:05,553 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:05:05,556 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:05:05,648 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:05:05,683 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:05:05,683 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:05:05,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:05:05 BoogieIcfgContainer [2023-12-02 22:05:05,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:05:05,686 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:05:05,686 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:05:05,694 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:05:05,694 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:05:05" (1/1) ... [2023-12-02 22:05:05,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:05:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:05:05,749 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:05:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:05:05,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:05:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:05:05,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:05:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:05:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:05:05,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:05:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:05:05,959 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:05:05,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 22:05:05,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:05:05 ImpRootNode [2023-12-02 22:05:05,980 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:05:05,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:05:05,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:05:05,981 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:05:05,982 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:05:05" (3/4) ... [2023-12-02 22:05:05,984 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:05:05,985 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:05:05,986 INFO L158 Benchmark]: Toolchain (without parser) took 1697.13ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 106.5MB in the beginning and 112.0MB in the end (delta: -5.5MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-12-02 22:05:05,986 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:05:05,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.64ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 106.5MB in the beginning and 145.6MB in the end (delta: -39.1MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2023-12-02 22:05:05,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.14ms. Allocated memory is still 190.8MB. Free memory was 145.6MB in the beginning and 142.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:05:05,988 INFO L158 Benchmark]: Boogie Preprocessor took 24.34ms. Allocated memory is still 190.8MB. Free memory was 142.4MB in the beginning and 141.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:05:05,989 INFO L158 Benchmark]: RCFGBuilder took 346.83ms. Allocated memory is still 190.8MB. Free memory was 141.3MB in the beginning and 127.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:05:05,990 INFO L158 Benchmark]: CodeCheck took 294.38ms. Allocated memory is still 190.8MB. Free memory was 127.8MB in the beginning and 112.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:05:05,990 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 190.8MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:05:05,993 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: 1568]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.25ms. Allocated memory is still 151.0MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 966.64ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 106.5MB in the beginning and 145.6MB in the end (delta: -39.1MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.14ms. Allocated memory is still 190.8MB. Free memory was 145.6MB in the beginning and 142.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.34ms. Allocated memory is still 190.8MB. Free memory was 142.4MB in the beginning and 141.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.83ms. Allocated memory is still 190.8MB. Free memory was 141.3MB in the beginning and 127.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 294.38ms. Allocated memory is still 190.8MB. Free memory was 127.8MB in the beginning and 112.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 190.8MB. Free memory is still 112.0MB. 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 [2023-12-02 22:05:06,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/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_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/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_c398203f-67dc-48e5-b027-ed55865633c5/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 7c4ba4bce8bb507679a96575f0895b5a32d9bc7026db41a090599e281784fa11 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:05:07,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:05:07,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:05:08,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:05:08,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:05:08,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:05:08,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:05:08,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:05:08,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:05:08,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:05:08,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:05:08,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:05:08,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:05:08,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:05:08,023 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:05:08,023 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:05:08,024 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:05:08,024 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:05:08,025 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:05:08,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:05:08,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:05:08,027 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:05:08,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:05:08,028 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:05:08,028 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:08,028 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:05:08,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:05:08,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:05:08,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:05:08,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:05:08,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:05:08,031 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:05:08,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:08,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:05:08,032 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:05:08,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:05:08,032 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_c398203f-67dc-48e5-b027-ed55865633c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c4ba4bce8bb507679a96575f0895b5a32d9bc7026db41a090599e281784fa11 [2023-12-02 22:05:08,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:05:08,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:05:08,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:05:08,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:05:08,355 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:05:08,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_51_bad.i [2023-12-02 22:05:11,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:05:11,425 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:05:11,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_51_bad.i [2023-12-02 22:05:11,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/data/aedb33b19/60a1be3e5d2c4a33bd97983290e622ba/FLAG2d1d71550 [2023-12-02 22:05:11,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/data/aedb33b19/60a1be3e5d2c4a33bd97983290e622ba [2023-12-02 22:05:11,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:05:11,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:05:11,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:05:11,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:05:11,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:05:11,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:05:11" (1/1) ... [2023-12-02 22:05:11,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be51aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:11, skipping insertion in model container [2023-12-02 22:05:11,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:05:11" (1/1) ... [2023-12-02 22:05:11,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:05:12,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:05:12,301 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:05:12,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:05:12,510 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:05:12,511 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:05:12,511 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:05:12,511 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:05:12,516 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:05:12,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12 WrapperNode [2023-12-02 22:05:12,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:05:12,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:05:12,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:05:12,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:05:12,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,573 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2023-12-02 22:05:12,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:05:12,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:05:12,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:05:12,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:05:12,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:05:12,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:05:12,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:05:12,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:05:12,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:05:12,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:05:12,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:05:12,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:05:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:05:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:05:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:05:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:05:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:05:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:05:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:05:12,796 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:05:12,798 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:05:12,896 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:05:12,935 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:05:12,935 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:05:12,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:05:12 BoogieIcfgContainer [2023-12-02 22:05:12,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:05:12,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:05:12,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:05:12,948 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:05:12,948 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:05:12" (1/1) ... [2023-12-02 22:05:12,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:05:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:05:13,013 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:05:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:05:13,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:13,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:13,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:13,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:13,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:05:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:05:13,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:05:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:05:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:05:13,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:05:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:05:13,303 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:05:13,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:05:13,305 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:05:13,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 22:05:13,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:05:13 ImpRootNode [2023-12-02 22:05:13,331 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:05:13,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:05:13,331 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:05:13,331 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:05:13,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:05:12" (3/4) ... [2023-12-02 22:05:13,334 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:05:13,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:05:13,335 INFO L158 Benchmark]: Toolchain (without parser) took 1867.70ms. Allocated memory is still 94.4MB. Free memory was 67.5MB in the beginning and 55.2MB in the end (delta: 12.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:05:13,336 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:05:13,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.39ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 60.1MB in the end (delta: 7.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-12-02 22:05:13,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.09ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 56.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:05:13,337 INFO L158 Benchmark]: Boogie Preprocessor took 30.69ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:05:13,338 INFO L158 Benchmark]: RCFGBuilder took 332.00ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 39.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:05:13,339 INFO L158 Benchmark]: CodeCheck took 392.96ms. Allocated memory is still 94.4MB. Free memory was 39.7MB in the beginning and 55.8MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:05:13,339 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 55.2MB in the end (delta: 566.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:05:13,343 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: 1568]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.39ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 60.1MB in the end (delta: 7.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.09ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 56.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.69ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.00ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 39.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 392.96ms. Allocated memory is still 94.4MB. Free memory was 39.7MB in the beginning and 55.8MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 55.2MB in the end (delta: 566.9kB). 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~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 [2023-12-02 22:05:13,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c398203f-67dc-48e5-b027-ed55865633c5/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