./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm --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 9700c829297b3a0f92af476eb51e423ad169b0e3125adb7d75785384f84a7424 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:54:59,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:54:59,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:54:59,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:54:59,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:54:59,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:54:59,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:54:59,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:54:59,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:54:59,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:54:59,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:54:59,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:54:59,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:54:59,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:54:59,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:54:59,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:54:59,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:54:59,431 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:54:59,431 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:54:59,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:54:59,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:54:59,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:54:59,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:54:59,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:54:59,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:54:59,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:54:59,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:54:59,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:54:59,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:54:59,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:54:59,434 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:54:59,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:54:59,434 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_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm 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 -> 9700c829297b3a0f92af476eb51e423ad169b0e3125adb7d75785384f84a7424 [2024-11-13 16:54:59,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:54:59,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:54:59,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:54:59,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:54:59,896 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:54:59,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i Unable to find full path for "g++" [2024-11-13 16:55:02,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:55:02,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:55:02,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i [2024-11-13 16:55:02,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/data/9d199fc63/0735796b96ec4789b64f64f48ab6b9a8/FLAG430d1b34f [2024-11-13 16:55:03,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/data/9d199fc63/0735796b96ec4789b64f64f48ab6b9a8 [2024-11-13 16:55:03,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:55:03,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:55:03,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:55:03,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:55:03,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:55:03,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:55:03" (1/1) ... [2024-11-13 16:55:03,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb1ec26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:03, skipping insertion in model container [2024-11-13 16:55:03,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:55:03" (1/1) ... [2024-11-13 16:55:03,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:55:04,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:55:04,302 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:55:04,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:55:04,646 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:55:04,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04 WrapperNode [2024-11-13 16:55:04,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:55:04,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:55:04,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:55:04,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:55:04,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,741 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-13 16:55:04,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:55:04,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:55:04,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:55:04,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:55:04,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:55:04,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:55:04,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:55:04,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:55:04,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:04" (1/1) ... [2024-11-13 16:55:04,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:55:04,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:55:04,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:55:04,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:55:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:55:04,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:55:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:55:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:55:04,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:55:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:55:05,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:55:05,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:55:05,350 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 16:55:05,350 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:55:05,408 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:55:05,410 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:55:05,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:05 BoogieIcfgContainer [2024-11-13 16:55:05,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:55:05,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:55:05,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:55:05,429 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:55:05,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:05" (1/1) ... [2024-11-13 16:55:05,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:55:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 16:55:05,516 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 16:55:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:55:05,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:05,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:55:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 16:55:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 16:55:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:55:06,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:06,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:55:06,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:55:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:55:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:55:06,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:55:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:55:06,325 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:55:06,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:55:06 ImpRootNode [2024-11-13 16:55:06,378 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:55:06,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:55:06,381 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:55:06,381 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:55:06,383 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:05" (3/4) ... [2024-11-13 16:55:06,386 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:55:06,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:55:06,389 INFO L158 Benchmark]: Toolchain (without parser) took 3379.79ms. Allocated memory is still 109.1MB. Free memory was 81.3MB in the beginning and 64.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-13 16:55:06,392 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 41.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:06,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1637.18ms. Allocated memory is still 109.1MB. Free memory was 80.9MB in the beginning and 63.1MB in the end (delta: 17.8MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-13 16:55:06,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.72ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 60.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:06,394 INFO L158 Benchmark]: Boogie Preprocessor took 51.98ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 59.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:06,396 INFO L158 Benchmark]: RCFGBuilder took 615.77ms. Allocated memory is still 109.1MB. Free memory was 59.3MB in the beginning and 45.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:55:06,397 INFO L158 Benchmark]: CodeCheck took 967.48ms. Allocated memory is still 109.1MB. Free memory was 45.4MB in the beginning and 64.9MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:06,397 INFO L158 Benchmark]: Witness Printer took 7.20ms. Allocated memory is still 109.1MB. Free memory was 64.9MB in the beginning and 64.1MB in the end (delta: 758.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:06,403 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1552. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_preinc_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1569] ++data 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 0.64ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 41.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1637.18ms. Allocated memory is still 109.1MB. Free memory was 80.9MB in the beginning and 63.1MB in the end (delta: 17.8MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.72ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 60.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.98ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 59.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 615.77ms. Allocated memory is still 109.1MB. Free memory was 59.3MB in the beginning and 45.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 967.48ms. Allocated memory is still 109.1MB. Free memory was 45.4MB in the beginning and 64.9MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.20ms. Allocated memory is still 109.1MB. Free memory was 64.9MB in the beginning and 64.1MB in the end (delta: 758.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:55:06,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/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_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm --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 9700c829297b3a0f92af476eb51e423ad169b0e3125adb7d75785384f84a7424 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:55:09,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:55:09,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:55:10,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:55:10,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:55:10,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:55:10,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:55:10,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:55:10,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:55:10,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:55:10,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:55:10,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:55:10,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:55:10,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:55:10,065 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:55:10,065 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:55:10,065 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:55:10,065 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:55:10,065 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:55:10,066 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:55:10,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:55:10,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:55:10,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:55:10,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:55:10,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:55:10,066 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:55:10,066 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:55:10,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:55:10,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:55:10,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:55:10,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:55:10,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:55:10,067 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:55:10,067 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:55:10,068 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:55:10,068 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_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm 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 -> 9700c829297b3a0f92af476eb51e423ad169b0e3125adb7d75785384f84a7424 [2024-11-13 16:55:10,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:55:10,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:55:10,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:55:10,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:55:10,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:55:10,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i Unable to find full path for "g++" [2024-11-13 16:55:12,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:55:12,880 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:55:12,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i [2024-11-13 16:55:12,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/data/c66fb2d04/9482451a56ce42cebf5c7fd4cf344df1/FLAGd22f9186f [2024-11-13 16:55:12,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/data/c66fb2d04/9482451a56ce42cebf5c7fd4cf344df1 [2024-11-13 16:55:12,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:55:12,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:55:12,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:55:12,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:55:12,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:55:12,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:55:12" (1/1) ... [2024-11-13 16:55:12,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603aea20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:12, skipping insertion in model container [2024-11-13 16:55:12,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:55:12" (1/1) ... [2024-11-13 16:55:13,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:55:14,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:55:14,126 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:55:14,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:55:14,466 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:55:14,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14 WrapperNode [2024-11-13 16:55:14,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:55:14,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:55:14,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:55:14,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:55:14,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,522 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-13 16:55:14,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:55:14,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:55:14,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:55:14,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:55:14,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:55:14,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:55:14,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:55:14,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:55:14,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:55:14" (1/1) ... [2024-11-13 16:55:14,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:55:14,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:55:14,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:55:14,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:55:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:55:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:55:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:55:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:55:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:55:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:55:14,890 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:55:14,892 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:55:15,054 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 16:55:15,054 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:55:15,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:55:15,110 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:55:15,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:15 BoogieIcfgContainer [2024-11-13 16:55:15,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:55:15,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:55:15,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:55:15,120 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:55:15,121 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:15" (1/1) ... [2024-11-13 16:55:15,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:55:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 16:55:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 16:55:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:55:15,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:15,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:55:15,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:55:15,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:55:15,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:55:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:15,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:55:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:15,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:55:15,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:55:15,578 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:55:15,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:55:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 16:55:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 16:55:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:55:15,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:15,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:55:15,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:55:15,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:55:15,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:55:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:55:15,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:55:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:55:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:55:15,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:55:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:55:16,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:55:16,052 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:55:16,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:55:16 ImpRootNode [2024-11-13 16:55:16,088 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:55:16,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:55:16,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:55:16,090 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:55:16,091 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:55:15" (3/4) ... [2024-11-13 16:55:16,093 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:55:16,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:55:16,095 INFO L158 Benchmark]: Toolchain (without parser) took 3141.31ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 64.9MB in the end (delta: 23.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-11-13 16:55:16,096 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 82.6MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:16,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1508.43ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 67.3MB in the end (delta: 21.2MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 16:55:16,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.92ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 64.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:16,097 INFO L158 Benchmark]: Boogie Preprocessor took 48.08ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 62.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:16,098 INFO L158 Benchmark]: RCFGBuilder took 538.53ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 45.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:55:16,098 INFO L158 Benchmark]: CodeCheck took 977.44ms. Allocated memory is still 117.4MB. Free memory was 45.7MB in the beginning and 65.6MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:16,098 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 64.9MB in the end (delta: 697.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:55:16,100 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1552. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_preinc_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1569] ++data 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 0.40ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 82.6MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1508.43ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 67.3MB in the end (delta: 21.2MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.92ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 64.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.08ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 62.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 538.53ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 45.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 977.44ms. Allocated memory is still 117.4MB. Free memory was 45.7MB in the beginning and 65.6MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 64.9MB in the end (delta: 697.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:55:16,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ac98b9e-225b-4597-a9d2-d47acf1f4c4a/bin/ukojak-verify-EEHR8qb7sm/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