./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk --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 0f2745812b28433868f948a2e41f6239b5d558816bac45f12e70bd0e093bd8b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:06,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:06,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:38:06,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:38:06,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:38:06,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:06,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:38:06,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:38:06,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:06,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:06,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:06,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:38:06,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:38:06,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:06,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:38:06,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:06,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:38:06,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:06,774 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:38:06,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:38:06,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:38:06,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:06,776 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:06,777 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:06,777 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:06,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:06,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:06,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:06,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:06,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:38:06,790 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:38:06,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:38:06,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f2745812b28433868f948a2e41f6239b5d558816bac45f12e70bd0e093bd8b5 [2024-11-08 23:38:07,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:07,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:07,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:07,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:07,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:07,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i Unable to find full path for "g++" [2024-11-08 23:38:09,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:09,564 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:09,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i [2024-11-08 23:38:09,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/data/45f5560da/3bd64fb1a88645fba03b4081115c3add/FLAGf9ad86c59 [2024-11-08 23:38:09,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/data/45f5560da/3bd64fb1a88645fba03b4081115c3add [2024-11-08 23:38:09,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:09,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:09,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:09,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:09,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:09,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:09" (1/1) ... [2024-11-08 23:38:09,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e61d8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:09, skipping insertion in model container [2024-11-08 23:38:09,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:09" (1/1) ... [2024-11-08 23:38:09,835 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:10,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:10,843 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:10,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:11,145 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:11,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11 WrapperNode [2024-11-08 23:38:11,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:11,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:11,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:11,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:11,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,224 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-08 23:38:11,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:11,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:11,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:11,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:11,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:11,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:11,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:11,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:11,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:11,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:11,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:11,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:38:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:38:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:11,502 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:11,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:11,600 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:11,600 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:11,653 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:11,653 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:38:11,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:11 BoogieIcfgContainer [2024-11-08 23:38:11,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:11,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:11,655 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:11,665 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:11,666 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:11" (1/1) ... [2024-11-08 23:38:11,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:11,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:11,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:38:11,730 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:38:11,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:38:11,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:11,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:11,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:11,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:12,025 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:38:12,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:38:12 ImpRootNode [2024-11-08 23:38:12,057 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:38:12,058 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:38:12,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:38:12,060 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:38:12,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:11" (3/4) ... [2024-11-08 23:38:12,064 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:38:12,065 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:38:12,067 INFO L158 Benchmark]: Toolchain (without parser) took 2321.24ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 120.2MB in the beginning and 134.0MB in the end (delta: -13.8MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-08 23:38:12,068 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 128.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:12,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1399.09ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 120.2MB in the beginning and 169.6MB in the end (delta: -49.4MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2024-11-08 23:38:12,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.49ms. Allocated memory is still 205.5MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:12,072 INFO L158 Benchmark]: Boogie Preprocessor took 30.72ms. Allocated memory is still 205.5MB. Free memory was 166.5MB in the beginning and 165.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:12,073 INFO L158 Benchmark]: RCFGBuilder took 393.59ms. Allocated memory is still 205.5MB. Free memory was 165.4MB in the beginning and 150.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:38:12,074 INFO L158 Benchmark]: CodeCheck took 401.96ms. Allocated memory is still 205.5MB. Free memory was 149.7MB in the beginning and 135.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:38:12,074 INFO L158 Benchmark]: Witness Printer took 8.19ms. Allocated memory is still 205.5MB. Free memory was 135.0MB in the beginning and 134.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:12,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, 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, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.36ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 128.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1399.09ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 120.2MB in the beginning and 169.6MB in the end (delta: -49.4MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.49ms. Allocated memory is still 205.5MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.72ms. Allocated memory is still 205.5MB. Free memory was 166.5MB in the beginning and 165.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.59ms. Allocated memory is still 205.5MB. Free memory was 165.4MB in the beginning and 150.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 401.96ms. Allocated memory is still 205.5MB. Free memory was 149.7MB in the beginning and 135.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.19ms. Allocated memory is still 205.5MB. Free memory was 135.0MB in the beginning and 134.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:38:12,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk --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 0f2745812b28433868f948a2e41f6239b5d558816bac45f12e70bd0e093bd8b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:14,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:14,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:38:14,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:14,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:38:14,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:38:14,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:14,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:14,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:14,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:38:14,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:14,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:38:14,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:14,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:38:14,689 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:38:14,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:38:14,690 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:14,690 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:38:14,690 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:38:14,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:38:14,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:38:14,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:14,695 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:14,696 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:14,698 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:14,699 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:14,699 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:38:14,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:14,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:14,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:14,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:14,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:38:14,700 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:38:14,701 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:14,701 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:38:14,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f2745812b28433868f948a2e41f6239b5d558816bac45f12e70bd0e093bd8b5 [2024-11-08 23:38:15,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:15,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:15,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:15,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:15,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:15,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i Unable to find full path for "g++" [2024-11-08 23:38:17,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:17,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:17,804 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i [2024-11-08 23:38:17,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/data/d05dc0abc/fb2060e1a7b74302b999543e283ca3c3/FLAG7457a8ede [2024-11-08 23:38:17,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/data/d05dc0abc/fb2060e1a7b74302b999543e283ca3c3 [2024-11-08 23:38:17,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:17,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:17,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:17,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:17,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:17,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:17" (1/1) ... [2024-11-08 23:38:17,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad3a812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:17, skipping insertion in model container [2024-11-08 23:38:17,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:17" (1/1) ... [2024-11-08 23:38:17,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:19,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:19,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:19,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:19,384 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:19,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19 WrapperNode [2024-11-08 23:38:19,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:19,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:19,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:19,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:19,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,444 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-08 23:38:19,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:19,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:19,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:19,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:19,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:19,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:19,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:19,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:19,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:19,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:19,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:19,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:38:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:38:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:19,719 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:19,722 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:19,832 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:19,832 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:19,918 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:19,922 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:38:19,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:19 BoogieIcfgContainer [2024-11-08 23:38:19,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:19,927 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:19,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:19,938 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:19,938 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:19" (1/1) ... [2024-11-08 23:38:19,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:38:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:38:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:38:20,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:20,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:20,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:20,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:20,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:38:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:20,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:20,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:38:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:38:20,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:38:20,431 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:38:20,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:38:20 ImpRootNode [2024-11-08 23:38:20,472 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:38:20,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:38:20,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:38:20,473 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:38:20,475 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:19" (3/4) ... [2024-11-08 23:38:20,478 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:38:20,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:38:20,483 INFO L158 Benchmark]: Toolchain (without parser) took 2620.42ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 62.9MB in the beginning and 61.5MB in the end (delta: 1.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-08 23:38:20,483 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:20,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1520.52ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 62.6MB in the beginning and 65.0MB in the end (delta: -2.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-08 23:38:20,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.20ms. Allocated memory is still 115.3MB. Free memory was 65.0MB in the beginning and 61.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:20,485 INFO L158 Benchmark]: Boogie Preprocessor took 29.70ms. Allocated memory is still 115.3MB. Free memory was 61.9MB in the beginning and 60.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:20,486 INFO L158 Benchmark]: RCFGBuilder took 446.82ms. Allocated memory is still 115.3MB. Free memory was 59.8MB in the beginning and 76.2MB in the end (delta: -16.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:20,487 INFO L158 Benchmark]: CodeCheck took 545.54ms. Allocated memory is still 115.3MB. Free memory was 76.2MB in the beginning and 62.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:38:20,488 INFO L158 Benchmark]: Witness Printer took 8.98ms. Allocated memory is still 115.3MB. Free memory was 62.1MB in the beginning and 61.5MB in the end (delta: 630.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:20,493 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, 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, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 90.2MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1520.52ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 62.6MB in the beginning and 65.0MB in the end (delta: -2.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.20ms. Allocated memory is still 115.3MB. Free memory was 65.0MB in the beginning and 61.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.70ms. Allocated memory is still 115.3MB. Free memory was 61.9MB in the beginning and 60.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.82ms. Allocated memory is still 115.3MB. Free memory was 59.8MB in the beginning and 76.2MB in the end (delta: -16.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * CodeCheck took 545.54ms. Allocated memory is still 115.3MB. Free memory was 76.2MB in the beginning and 62.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.98ms. Allocated memory is still 115.3MB. Free memory was 62.1MB in the beginning and 61.5MB in the end (delta: 630.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:38:20,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd5ed1a-0c5a-486b-b6ed-9399b0e4c8e4/bin/ukojak-verify-ImItNfHLgk/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