./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_54_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_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/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_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/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_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/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 db598f24fd764e67b522f5d4f98f2564bb3f2d8c9e3be827ad1aeb8b6c3f693a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:55:03,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:55:03,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:55:03,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:55:03,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:55:03,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:55:03,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:55:03,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:55:03,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:55:03,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:55:03,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:55:03,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:55:03,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:55:03,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:55:03,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:55:03,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:55:03,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:55:03,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:55:03,196 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:55:03,196 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:55:03,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:55:03,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:55:03,198 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:55:03,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:55:03,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:55:03,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:55:03,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:03,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:55:03,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:55:03,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:55:03,199 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:55:03,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:55:03,199 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_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/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 -> db598f24fd764e67b522f5d4f98f2564bb3f2d8c9e3be827ad1aeb8b6c3f693a [2024-11-13 21:55:03,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:55:03,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:55:03,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:55:03,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:55:03,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:55:03,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_54_bad.i Unable to find full path for "g++" [2024-11-13 21:55:05,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:55:06,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:55:06,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_54_bad.i [2024-11-13 21:55:06,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/data/384150a45/b957e5b741ac454c95df6d52f9267a47/FLAG33f1435f4 [2024-11-13 21:55:06,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/data/384150a45/b957e5b741ac454c95df6d52f9267a47 [2024-11-13 21:55:06,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:55:06,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:55:06,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:06,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:55:06,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:55:06,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:06" (1/1) ... [2024-11-13 21:55:06,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29095476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:06, skipping insertion in model container [2024-11-13 21:55:06,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:06" (1/1) ... [2024-11-13 21:55:06,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:55:07,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:07,467 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:55:07,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:07,737 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:55:07,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07 WrapperNode [2024-11-13 21:55:07,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:07,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:07,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:55:07,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:55:07,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,796 INFO L138 Inliner]: procedures = 502, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-11-13 21:55:07,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:07,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:55:07,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:55:07,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:55:07,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:55:07,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:55:07,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:55:07,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:55:07,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:07" (1/1) ... [2024-11-13 21:55:07,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:07,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:55:07,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:55:07,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:55:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:55:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:55:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:55:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:55:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:55:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:55:08,043 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:55:08,044 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:55:08,198 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:55:08,198 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:55:08,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:55:08,237 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:55:08,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:08 BoogieIcfgContainer [2024-11-13 21:55:08,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:55:08,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:55:08,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:55:08,250 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:55:08,250 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:08" (1/1) ... [2024-11-13 21:55:08,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:55:08,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:55:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:55:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:55:08,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:08,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:08,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:55:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:08,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:55:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:08,674 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:55:08,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:55:08 ImpRootNode [2024-11-13 21:55:08,714 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:55:08,717 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:55:08,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:55:08,718 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:55:08,719 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:08" (3/4) ... [2024-11-13 21:55:08,722 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:55:08,723 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:55:08,725 INFO L158 Benchmark]: Toolchain (without parser) took 2498.21ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 83.9MB in the end (delta: 31.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-13 21:55:08,725 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:08,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1510.82ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 54.7MB in the end (delta: 60.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:55:08,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.79ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 52.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:55:08,726 INFO L158 Benchmark]: Boogie Preprocessor took 29.47ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 51.1MB in the end (delta: 943.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:08,726 INFO L158 Benchmark]: RCFGBuilder took 410.91ms. Allocated memory is still 142.6MB. Free memory was 50.8MB in the beginning and 104.5MB in the end (delta: -53.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 21:55:08,729 INFO L158 Benchmark]: CodeCheck took 476.06ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 84.6MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:55:08,731 INFO L158 Benchmark]: Witness Printer took 6.20ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.9MB in the end (delta: 765.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:08,735 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, 18 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 - UnprovableResult [Line: 1593]: 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 large string literal at line 1569, 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_54_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=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_54b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_54c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_54d_badSink(data) [L1587] CALL CWE191_Integer_Underflow__int_fgets_multiply_54e_badSink(data) [L1591] 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] [L1593] 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 0.31ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1510.82ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 54.7MB in the end (delta: 60.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.79ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 52.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.47ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 51.1MB in the end (delta: 943.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.91ms. Allocated memory is still 142.6MB. Free memory was 50.8MB in the beginning and 104.5MB in the end (delta: -53.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 476.06ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 84.6MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.20ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.9MB in the end (delta: 765.6kB). 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 21:55:08,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/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_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/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_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/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 db598f24fd764e67b522f5d4f98f2564bb3f2d8c9e3be827ad1aeb8b6c3f693a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:55:11,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:55:11,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:55:11,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:55:11,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:55:11,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:55:11,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:55:11,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:55:11,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:55:11,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:55:11,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:55:11,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:55:11,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:55:11,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:55:11,743 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:55:11,743 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:55:11,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:55:11,744 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:55:11,744 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:55:11,744 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:55:11,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:55:11,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:55:11,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:55:11,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:55:11,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:55:11,745 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:11,745 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:55:11,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:55:11,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:11,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:55:11,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:55:11,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:55:11,746 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:55:11,746 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:11,746 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:55:11,746 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_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/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 -> db598f24fd764e67b522f5d4f98f2564bb3f2d8c9e3be827ad1aeb8b6c3f693a [2024-11-13 21:55:12,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:55:12,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:55:12,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:55:12,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:55:12,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:55:12,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_54_bad.i Unable to find full path for "g++" [2024-11-13 21:55:13,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:55:14,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:55:14,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_54_bad.i [2024-11-13 21:55:14,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/data/d25081325/9049832e8f1a4c3e85a2b7d6c5ebc6ed/FLAG5202c9bfe [2024-11-13 21:55:14,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/data/d25081325/9049832e8f1a4c3e85a2b7d6c5ebc6ed [2024-11-13 21:55:14,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:55:14,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:55:14,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:14,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:55:14,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:55:14,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:14" (1/1) ... [2024-11-13 21:55:14,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e698c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:14, skipping insertion in model container [2024-11-13 21:55:14,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:14" (1/1) ... [2024-11-13 21:55:14,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:55:15,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:15,545 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:55:15,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:15,883 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:55:15,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15 WrapperNode [2024-11-13 21:55:15,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:15,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:15,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:55:15,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:55:15,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:15,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:15,960 INFO L138 Inliner]: procedures = 507, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-13 21:55:15,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:15,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:55:15,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:55:15,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:55:15,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:15,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:15,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:15,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:15,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:15,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:16,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:16,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:16,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:55:16,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:55:16,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:55:16,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:55:16,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:15" (1/1) ... [2024-11-13 21:55:16,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:16,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:55:16,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:55:16,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:55:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:55:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:55:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:55:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:55:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:55:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:55:16,273 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:55:16,276 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:55:16,494 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:55:16,494 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:55:16,574 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:55:16,575 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:55:16,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:16 BoogieIcfgContainer [2024-11-13 21:55:16,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:55:16,576 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:55:16,576 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:55:16,587 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:55:16,588 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:16" (1/1) ... [2024-11-13 21:55:16,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:55:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:55:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:55:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:55:16,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:16,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:16,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:16,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:16,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:55:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:16,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:55:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:17,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:55:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:17,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:55:17,113 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:55:17,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:55:17 ImpRootNode [2024-11-13 21:55:17,146 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:55:17,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:55:17,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:55:17,148 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:55:17,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:16" (3/4) ... [2024-11-13 21:55:17,153 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:55:17,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:55:17,157 INFO L158 Benchmark]: Toolchain (without parser) took 2741.19ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 34.5MB in the end (delta: 23.0MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-13 21:55:17,157 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:17,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1468.56ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 51.5MB in the end (delta: 5.9MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-13 21:55:17,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.68ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 48.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:17,158 INFO L158 Benchmark]: Boogie Preprocessor took 46.95ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:17,159 INFO L158 Benchmark]: RCFGBuilder took 566.69ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 53.8MB in the end (delta: -6.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-13 21:55:17,162 INFO L158 Benchmark]: CodeCheck took 569.46ms. Allocated memory is still 83.9MB. Free memory was 53.8MB in the beginning and 34.9MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:55:17,162 INFO L158 Benchmark]: Witness Printer took 6.88ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 34.5MB in the end (delta: 419.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:17,164 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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 - UnprovableResult [Line: 1593]: 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 large string literal at line 1569, 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_54_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=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_54b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_54c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_54d_badSink(data) [L1587] CALL CWE191_Integer_Underflow__int_fgets_multiply_54e_badSink(data) [L1591] 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] [L1593] 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 is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1468.56ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 51.5MB in the end (delta: 5.9MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.68ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 48.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.95ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.69ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 53.8MB in the end (delta: -6.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 569.46ms. Allocated memory is still 83.9MB. Free memory was 53.8MB in the beginning and 34.9MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.88ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 34.5MB in the end (delta: 419.5kB). 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 21:55:17,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdcf8c6f-3894-42ed-a12f-9da6bf925c38/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