./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3 --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 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:34:10,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:34:10,141 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:34:10,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:34:10,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:34:10,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:34:10,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:34:10,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:34:10,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:34:10,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:34:10,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:34:10,184 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:34:10,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:34:10,185 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:34:10,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:34:10,185 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:34:10,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:34:10,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:10,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:34:10,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:34:10,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:34:10,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:34:10,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:34:10,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f [2024-11-25 02:34:10,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:34:10,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:34:10,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:34:10,478 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:34:10,478 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:34:10,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-11-25 02:34:13,449 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data/5b06dc22b/f8a4da60545e4cfe8dfd44e0f67cc3ff/FLAG5f7abcbae [2024-11-25 02:34:13,922 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:34:13,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-11-25 02:34:13,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data/5b06dc22b/f8a4da60545e4cfe8dfd44e0f67cc3ff/FLAG5f7abcbae [2024-11-25 02:34:13,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data/5b06dc22b/f8a4da60545e4cfe8dfd44e0f67cc3ff [2024-11-25 02:34:13,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:34:13,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:34:13,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:13,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:34:14,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:34:14,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:13" (1/1) ... [2024-11-25 02:34:14,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b76e9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:14, skipping insertion in model container [2024-11-25 02:34:14,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:13" (1/1) ... [2024-11-25 02:34:14,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:34:15,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:15,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:34:15,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:15,299 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:34:15,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15 WrapperNode [2024-11-25 02:34:15,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:15,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:15,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:34:15,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:34:15,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,368 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-25 02:34:15,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:15,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:34:15,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:34:15,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:34:15,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,392 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:34:15,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:34:15,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:34:15,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:34:15,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:15,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:34:15,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:34:15,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:34:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:34:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:34:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:34:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:34:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:34:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:34:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:34:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:34:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:34:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:34:15,701 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:34:15,704 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:34:15,902 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 02:34:15,902 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:34:15,969 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:34:15,971 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:34:15,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:15 BoogieIcfgContainer [2024-11-25 02:34:15,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:34:15,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:34:15,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:34:15,985 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:34:15,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:15" (1/1) ... [2024-11-25 02:34:15,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:34:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:34:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:34:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:34:16,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:16,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:16,262 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:16,416 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:16,454 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:34:16,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:34:16 ImpRootNode [2024-11-25 02:34:16,480 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:34:16,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:34:16,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:34:16,481 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:34:16,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:15" (3/4) ... [2024-11-25 02:34:16,484 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:34:16,485 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:34:16,486 INFO L158 Benchmark]: Toolchain (without parser) took 2491.47ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 38.7MB in the end (delta: 50.3MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-25 02:34:16,486 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:16,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1303.67ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.6MB in the end (delta: 8.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 02:34:16,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.99ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:34:16,487 INFO L158 Benchmark]: Boogie Preprocessor took 29.36ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:16,488 INFO L158 Benchmark]: RCFGBuilder took 571.97ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 62.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:34:16,488 INFO L158 Benchmark]: CodeCheck took 506.62ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 39.3MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:34:16,489 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 117.4MB. Free memory was 39.3MB in the beginning and 38.7MB in the end (delta: 586.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:16,491 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET 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] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32138:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1303.67ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.6MB in the end (delta: 8.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.99ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.36ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 571.97ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 62.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 506.62ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 39.3MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 117.4MB. Free memory was 39.3MB in the beginning and 38.7MB in the end (delta: 586.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:34:16,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3 --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 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:34:19,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:34:19,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:34:19,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:34:19,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:34:19,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:34:19,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:34:19,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:34:19,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:34:19,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:34:19,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:34:19,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:34:19,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:34:19,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:34:19,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:34:19,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:34:19,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:34:19,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:34:19,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:34:19,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:34:19,341 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:34:19,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:34:19,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:34:19,341 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:34:19,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:34:19,341 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:19,341 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:34:19,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:34:19,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:19,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:34:19,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:34:19,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:34:19,342 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:34:19,342 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:19,342 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:34:19,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f [2024-11-25 02:34:19,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:34:19,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:34:19,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:34:19,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:34:19,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:34:19,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-11-25 02:34:22,803 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data/d035130a3/25b0417af1b647f695c815630b7238ac/FLAG5db25e5ac [2024-11-25 02:34:23,237 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:34:23,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-11-25 02:34:23,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data/d035130a3/25b0417af1b647f695c815630b7238ac/FLAG5db25e5ac [2024-11-25 02:34:23,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/data/d035130a3/25b0417af1b647f695c815630b7238ac [2024-11-25 02:34:23,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:34:23,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:34:23,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:23,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:34:23,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:34:23,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:23" (1/1) ... [2024-11-25 02:34:23,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1daed3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:23, skipping insertion in model container [2024-11-25 02:34:23,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:23" (1/1) ... [2024-11-25 02:34:23,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:34:24,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:24,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:34:24,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:24,628 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:34:24,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24 WrapperNode [2024-11-25 02:34:24,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:24,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:24,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:34:24,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:34:24,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,709 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-25 02:34:24,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:24,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:34:24,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:34:24,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:34:24,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,740 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:34:24,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:34:24,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:34:24,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:34:24,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:24" (1/1) ... [2024-11-25 02:34:24,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:24,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:34:24,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:34:24,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:34:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:34:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:34:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:34:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:34:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:34:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:34:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:34:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 02:34:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:34:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 02:34:25,043 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:34:25,045 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:34:25,280 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 02:34:25,280 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:34:25,352 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:34:25,352 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:34:25,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:25 BoogieIcfgContainer [2024-11-25 02:34:25,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:34:25,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:34:25,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:34:25,368 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:34:25,369 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:25" (1/1) ... [2024-11-25 02:34:25,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:34:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:25,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:34:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:34:25,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:34:25,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:25,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:25,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:25,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:25,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:34:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:25,789 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:26,049 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:26,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:34:26,142 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:34:26,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:34:26 ImpRootNode [2024-11-25 02:34:26,179 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:34:26,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:34:26,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:34:26,181 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:34:26,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:25" (3/4) ... [2024-11-25 02:34:26,184 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:34:26,189 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:34:26,190 INFO L158 Benchmark]: Toolchain (without parser) took 2899.66ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 58.5MB in the beginning and 50.6MB in the end (delta: 7.8MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-11-25 02:34:26,190 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 107.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:26,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1338.09ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 58.5MB in the beginning and 95.3MB in the end (delta: -36.8MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2024-11-25 02:34:26,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.43ms. Allocated memory is still 125.8MB. Free memory was 95.3MB in the beginning and 92.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:26,192 INFO L158 Benchmark]: Boogie Preprocessor took 51.45ms. Allocated memory is still 125.8MB. Free memory was 92.4MB in the beginning and 90.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:26,192 INFO L158 Benchmark]: RCFGBuilder took 590.51ms. Allocated memory is still 125.8MB. Free memory was 90.7MB in the beginning and 73.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:34:26,192 INFO L158 Benchmark]: CodeCheck took 825.88ms. Allocated memory is still 125.8MB. Free memory was 73.5MB in the beginning and 50.6MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:34:26,193 INFO L158 Benchmark]: Witness Printer took 8.89ms. Allocated memory is still 125.8MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:26,199 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET 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] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.34ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 107.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1338.09ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 58.5MB in the beginning and 95.3MB in the end (delta: -36.8MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.43ms. Allocated memory is still 125.8MB. Free memory was 95.3MB in the beginning and 92.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.45ms. Allocated memory is still 125.8MB. Free memory was 92.4MB in the beginning and 90.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 590.51ms. Allocated memory is still 125.8MB. Free memory was 90.7MB in the beginning and 73.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 825.88ms. Allocated memory is still 125.8MB. Free memory was 73.5MB in the beginning and 50.6MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 8.89ms. Allocated memory is still 125.8MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:34:26,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1127f1bd-e857-4eae-ae33-7da2a9ab760c/bin/ukojak-verify-ENZ3QT5qd3/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