./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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 688ad4d5fd82d8d25ee04a380b8cb7ec8cfce77a176f9dae3e918c234f392467 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:23:58,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:23:58,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:23:58,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:23:58,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:23:58,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:23:58,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:23:58,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:23:58,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:23:58,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:23:58,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:23:58,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:23:58,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:23:58,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:23:58,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:23:58,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:23:58,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:23:58,199 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:23:58,199 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:23:58,200 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:23:58,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:23:58,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:23:58,204 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:23:58,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:23:58,205 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:23:58,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:23:58,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:23:58,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:23:58,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:23:58,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:23:58,207 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:23:58,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:23:58,210 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_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 688ad4d5fd82d8d25ee04a380b8cb7ec8cfce77a176f9dae3e918c234f392467 [2024-11-09 00:23:58,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:23:58,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:23:58,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:23:58,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:23:58,551 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:23:58,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_45_bad.i Unable to find full path for "g++" [2024-11-09 00:24:00,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:24:00,934 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:24:00,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_45_bad.i [2024-11-09 00:24:00,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/data/2eaeb0d9d/fa6169ccef624ea2a9e928130f629fa2/FLAG42b5d9b3b [2024-11-09 00:24:00,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/data/2eaeb0d9d/fa6169ccef624ea2a9e928130f629fa2 [2024-11-09 00:24:00,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:24:00,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:24:00,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:00,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:24:01,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:24:01,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:00" (1/1) ... [2024-11-09 00:24:01,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3644c064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:01, skipping insertion in model container [2024-11-09 00:24:01,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:00" (1/1) ... [2024-11-09 00:24:01,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:24:02,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:02,147 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:24:02,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:02,440 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:24:02,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02 WrapperNode [2024-11-09 00:24:02,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:02,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:02,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:24:02,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:24:02,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,509 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-09 00:24:02,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:02,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:24:02,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:24:02,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:24:02,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:24:02,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:24:02,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:24:02,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:24:02,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:02,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:24:02,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:24:02,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:24:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:24:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:24:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:24:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:24:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:24:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:24:02,774 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:24:02,776 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:24:02,891 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:24:02,891 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:24:02,959 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:24:02,960 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:24:02,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:02 BoogieIcfgContainer [2024-11-09 00:24:02,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:24:02,961 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:24:02,961 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:24:02,973 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:24:02,973 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:02" (1/1) ... [2024-11-09 00:24:02,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:24:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:24:03,037 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:24:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:24:03,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:03,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:03,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:03,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:03,433 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:24:03,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:24:03 ImpRootNode [2024-11-09 00:24:03,467 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:24:03,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:24:03,468 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:24:03,468 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:24:03,469 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:02" (3/4) ... [2024-11-09 00:24:03,472 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:24:03,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:24:03,474 INFO L158 Benchmark]: Toolchain (without parser) took 2483.74ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 99.6MB in the end (delta: 17.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-09 00:24:03,475 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:03,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1449.44ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 90.9MB in the end (delta: 25.6MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-11-09 00:24:03,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.34ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 87.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:24:03,477 INFO L158 Benchmark]: Boogie Preprocessor took 26.53ms. Allocated memory is still 157.3MB. Free memory was 87.4MB in the beginning and 86.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:03,478 INFO L158 Benchmark]: RCFGBuilder took 423.09ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 120.5MB in the end (delta: -34.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-09 00:24:03,478 INFO L158 Benchmark]: CodeCheck took 506.07ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 100.4MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:24:03,479 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 99.6MB in the end (delta: 838.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:03,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566. 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 int CWE191_Integer_Underflow__int_fgets_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData; [L1581] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_45_badData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_45_badData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE191_Integer_Underflow__int_fgets_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_postdec_45_badData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] CWE191_Integer_Underflow__int_fgets_postdec_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fgets_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_fgets_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData=0, 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 0.35ms. Allocated memory is still 111.1MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1449.44ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 90.9MB in the end (delta: 25.6MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.34ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 87.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.53ms. Allocated memory is still 157.3MB. Free memory was 87.4MB in the beginning and 86.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 423.09ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 120.5MB in the end (delta: -34.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * CodeCheck took 506.07ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 100.4MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 99.6MB in the end (delta: 838.0kB). 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 [2024-11-09 00:24:03,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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 688ad4d5fd82d8d25ee04a380b8cb7ec8cfce77a176f9dae3e918c234f392467 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:24:05,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:24:05,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:24:05,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:24:05,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:24:05,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:24:05,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:24:05,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:24:05,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:24:05,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:24:05,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:24:05,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:24:05,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:24:05,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:24:05,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:24:05,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:24:05,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:24:05,998 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:24:05,999 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:24:05,999 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:24:05,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:24:06,000 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:24:06,000 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:24:06,001 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:24:06,001 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:24:06,001 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:06,002 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:24:06,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:24:06,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:06,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:24:06,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:24:06,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:24:06,004 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:24:06,004 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:06,004 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:24:06,005 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_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 688ad4d5fd82d8d25ee04a380b8cb7ec8cfce77a176f9dae3e918c234f392467 [2024-11-09 00:24:06,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:24:06,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:24:06,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:24:06,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:24:06,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:24:06,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_45_bad.i Unable to find full path for "g++" [2024-11-09 00:24:08,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:24:08,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:24:08,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_45_bad.i [2024-11-09 00:24:08,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/data/9600f7ffa/2cb242c7c017461fadfb6b1f3b2eaecd/FLAGa1424d88d [2024-11-09 00:24:08,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/data/9600f7ffa/2cb242c7c017461fadfb6b1f3b2eaecd [2024-11-09 00:24:09,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:24:09,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:24:09,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:09,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:24:09,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:24:09,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:08" (1/1) ... [2024-11-09 00:24:09,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e83124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:09, skipping insertion in model container [2024-11-09 00:24:09,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:08" (1/1) ... [2024-11-09 00:24:09,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:24:10,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:10,434 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:24:10,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:10,721 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:24:10,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10 WrapperNode [2024-11-09 00:24:10,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:10,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:10,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:24:10,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:24:10,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,785 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-09 00:24:10,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:10,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:24:10,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:24:10,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:24:10,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:24:10,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:24:10,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:24:10,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:24:10,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:10" (1/1) ... [2024-11-09 00:24:10,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:10,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:24:10,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:24:10,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:24:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:24:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:24:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:24:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:24:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:24:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:24:11,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:24:11,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:24:11,242 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:24:11,243 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:24:11,294 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:24:11,294 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:24:11,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:11 BoogieIcfgContainer [2024-11-09 00:24:11,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:24:11,296 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:24:11,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:24:11,307 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:24:11,307 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:11" (1/1) ... [2024-11-09 00:24:11,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:24:11,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:24:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:24:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:24:11,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:11,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:11,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:11,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:11,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:24:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:11,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:11,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:24:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:24:11,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:24:11,850 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:24:11,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:24:11 ImpRootNode [2024-11-09 00:24:11,878 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:24:11,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:24:11,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:24:11,879 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:24:11,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:11" (3/4) ... [2024-11-09 00:24:11,883 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:24:11,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:24:11,886 INFO L158 Benchmark]: Toolchain (without parser) took 2883.80ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 59.6MB in the end (delta: -10.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-09 00:24:11,886 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:11,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1716.35ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 47.4MB in the end (delta: 1.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-09 00:24:11,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.75ms. Allocated memory is still 98.6MB. Free memory was 47.4MB in the beginning and 44.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:11,889 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 98.6MB. Free memory was 44.0MB in the beginning and 42.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:11,891 INFO L158 Benchmark]: RCFGBuilder took 476.61ms. Allocated memory is still 98.6MB. Free memory was 41.8MB in the beginning and 52.5MB in the end (delta: -10.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-09 00:24:11,891 INFO L158 Benchmark]: CodeCheck took 582.69ms. Allocated memory is still 98.6MB. Free memory was 52.5MB in the beginning and 60.2MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:11,892 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 98.6MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:11,898 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 8 NumberOfCodeBlocks, 8 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1566. 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 int CWE191_Integer_Underflow__int_fgets_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData; [L1581] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_45_badData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_45_badData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE191_Integer_Underflow__int_fgets_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_postdec_45_badData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1575] CWE191_Integer_Underflow__int_fgets_postdec_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fgets_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_fgets_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_postdec_45_goodG2BData=0, 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 0.32ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1716.35ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 47.4MB in the end (delta: 1.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.75ms. Allocated memory is still 98.6MB. Free memory was 47.4MB in the beginning and 44.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 98.6MB. Free memory was 44.0MB in the beginning and 42.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.61ms. Allocated memory is still 98.6MB. Free memory was 41.8MB in the beginning and 52.5MB in the end (delta: -10.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * CodeCheck took 582.69ms. Allocated memory is still 98.6MB. Free memory was 52.5MB in the beginning and 60.2MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.75ms. Allocated memory is still 98.6MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:24:11,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28d9a8-23f3-4f58-97bf-7814786cac4c/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample