./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_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_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/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_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/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_ba96447d-3aed-4af0-9900-2e96c8cda852/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 ed4f54db42721b17d5fdecd7102f95e651a969636faed2d0ee5cf935f3bf2d54 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:04:39,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:04:39,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:04:39,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:04:39,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:04:39,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:04:39,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:04:39,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:04:39,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:04:39,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:04:39,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:04:39,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:04:39,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:04:39,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:04:39,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:04:39,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:04:39,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:04:39,585 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:04:39,586 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:04:39,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:04:39,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:04:39,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:04:39,587 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:04:39,587 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:04:39,587 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:04:39,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:04:39,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:39,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:04:39,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:04:39,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:04:39,589 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:04:39,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:04:39,589 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_ba96447d-3aed-4af0-9900-2e96c8cda852/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 -> ed4f54db42721b17d5fdecd7102f95e651a969636faed2d0ee5cf935f3bf2d54 [2024-11-13 21:04:39,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:04:39,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:04:39,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:04:39,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:04:39,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:04:39,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i Unable to find full path for "g++" [2024-11-13 21:04:41,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:04:42,484 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:04:42,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i [2024-11-13 21:04:42,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/data/e81a31695/1a606c3541e34222b76760f45914070d/FLAG621d50efc [2024-11-13 21:04:42,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/data/e81a31695/1a606c3541e34222b76760f45914070d [2024-11-13 21:04:42,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:04:42,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:04:42,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:42,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:04:42,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:04:42,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:42" (1/1) ... [2024-11-13 21:04:42,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdc1243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:42, skipping insertion in model container [2024-11-13 21:04:42,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:42" (1/1) ... [2024-11-13 21:04:42,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:04:43,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:43,620 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:04:43,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:43,917 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:04:43,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43 WrapperNode [2024-11-13 21:04:43,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:43,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:43,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:04:43,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:04:43,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:43,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:43,973 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-13 21:04:43,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:43,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:04:43,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:04:43,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:04:43,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:43,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:43,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:43,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:43,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:43,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:43,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:43,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:44,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:04:44,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:04:44,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:04:44,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:04:44,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:43" (1/1) ... [2024-11-13 21:04:44,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:44,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:04:44,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:04:44,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:04:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:04:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:04:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:04:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:04:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:04:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:04:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:04:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:04:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:04:44,286 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:04:44,288 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:04:44,463 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 21:04:44,463 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:04:44,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:04:44,538 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:04:44,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:44 BoogieIcfgContainer [2024-11-13 21:04:44,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:04:44,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:04:44,540 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:04:44,551 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:04:44,552 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:44" (1/1) ... [2024-11-13 21:04:44,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:04:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:44,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:04:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:04:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:04:44,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:44,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:44,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:04:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:45,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:04:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:45,042 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:04:45,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:04:45 ImpRootNode [2024-11-13 21:04:45,081 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:04:45,082 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:04:45,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:04:45,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:04:45,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:44" (3/4) ... [2024-11-13 21:04:45,088 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:04:45,089 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:04:45,093 INFO L158 Benchmark]: Toolchain (without parser) took 2564.30ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 45.7MB in the end (delta: 44.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-13 21:04:45,093 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory was 103.7MB in the beginning and 103.5MB in the end (delta: 215.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:45,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1392.15ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 81.3MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 21:04:45,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.24ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.6MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:04:45,095 INFO L158 Benchmark]: Boogie Preprocessor took 25.48ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:45,098 INFO L158 Benchmark]: RCFGBuilder took 538.14ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 63.6MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:04:45,098 INFO L158 Benchmark]: CodeCheck took 541.38ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 45.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:04:45,099 INFO L158 Benchmark]: Witness Printer took 8.22ms. Allocated memory is still 117.4MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:45,101 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, 12 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] 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 0.48ms. Allocated memory is still 167.8MB. Free memory was 103.7MB in the beginning and 103.5MB in the end (delta: 215.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1392.15ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 81.3MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.24ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.6MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.48ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 538.14ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 63.6MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 541.38ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 45.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.22ms. Allocated memory is still 117.4MB. Free memory is still 45.7MB. 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 21:04:45,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/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_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/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_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/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_ba96447d-3aed-4af0-9900-2e96c8cda852/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 ed4f54db42721b17d5fdecd7102f95e651a969636faed2d0ee5cf935f3bf2d54 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:04:48,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:04:48,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:04:48,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:04:48,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:04:48,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:04:48,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:04:48,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:04:48,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:04:48,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:04:48,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:04:48,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:04:48,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:04:48,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:04:48,182 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:04:48,182 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:04:48,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:04:48,183 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:04:48,183 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:04:48,183 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:04:48,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:04:48,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:04:48,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:04:48,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:04:48,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:04:48,184 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:48,184 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:04:48,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:04:48,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:48,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:04:48,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:04:48,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:04:48,185 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:04:48,185 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:48,185 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:04:48,186 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_ba96447d-3aed-4af0-9900-2e96c8cda852/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 -> ed4f54db42721b17d5fdecd7102f95e651a969636faed2d0ee5cf935f3bf2d54 [2024-11-13 21:04:48,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:04:48,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:04:48,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:04:48,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:04:48,650 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:04:48,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i Unable to find full path for "g++" [2024-11-13 21:04:50,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:04:51,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:04:51,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_32_bad.i [2024-11-13 21:04:51,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/data/76f390a72/7af3cf5718304faea184630538f22650/FLAG6befd07ef [2024-11-13 21:04:51,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/data/76f390a72/7af3cf5718304faea184630538f22650 [2024-11-13 21:04:51,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:04:51,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:04:51,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:51,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:04:51,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:04:51,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:51" (1/1) ... [2024-11-13 21:04:51,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672479a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:51, skipping insertion in model container [2024-11-13 21:04:51,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:51" (1/1) ... [2024-11-13 21:04:51,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:04:52,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:52,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:04:52,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:52,802 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:04:52,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52 WrapperNode [2024-11-13 21:04:52,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:52,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:52,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:04:52,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:04:52,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,867 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-13 21:04:52,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:52,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:04:52,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:04:52,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:04:52,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:04:52,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:04:52,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:04:52,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:04:52,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:52" (1/1) ... [2024-11-13 21:04:52,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:52,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:04:52,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:04:52,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:04:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:04:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:04:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:04:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:04:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:04:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:04:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:04:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:04:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:04:53,249 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:04:53,252 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:04:53,487 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 21:04:53,487 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:04:53,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:04:53,578 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:04:53,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:53 BoogieIcfgContainer [2024-11-13 21:04:53,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:04:53,580 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:04:53,580 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:04:53,592 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:04:53,592 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:53" (1/1) ... [2024-11-13 21:04:53,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:04:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:04:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:04:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:04:53,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:53,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:04:53,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:04:53,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:04:53,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:04:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:53,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:04:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:54,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:04:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:54,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:04:54,306 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:04:54,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:04:54 ImpRootNode [2024-11-13 21:04:54,345 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:04:54,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:04:54,346 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:04:54,346 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:04:54,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:53" (3/4) ... [2024-11-13 21:04:54,350 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:04:54,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:04:54,354 INFO L158 Benchmark]: Toolchain (without parser) took 2980.97ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 58.6MB in the beginning and 57.4MB in the end (delta: 1.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-13 21:04:54,355 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:54,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1430.39ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 58.5MB in the beginning and 63.5MB in the end (delta: -5.0MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-13 21:04:54,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.77ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 61.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:54,356 INFO L158 Benchmark]: Boogie Preprocessor took 33.73ms. Allocated memory is still 100.7MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:54,357 INFO L158 Benchmark]: RCFGBuilder took 675.91ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 43.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:04:54,357 INFO L158 Benchmark]: CodeCheck took 764.82ms. Allocated memory is still 100.7MB. Free memory was 43.1MB in the beginning and 57.4MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:54,362 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 15.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:54,364 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] 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 0.56ms. Allocated memory is still 83.9MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1430.39ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 58.5MB in the beginning and 63.5MB in the end (delta: -5.0MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.77ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 61.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.73ms. Allocated memory is still 100.7MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 675.91ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 43.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 764.82ms. Allocated memory is still 100.7MB. Free memory was 43.1MB in the beginning and 57.4MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 15.4kB). 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 21:04:54,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba96447d-3aed-4af0-9900-2e96c8cda852/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