./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3 --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 be3c297fe43a7bc8ea537df085d4f69535ba54c0205bfc09097f4c935400e3cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:47:41,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:47:41,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:47:41,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:47:41,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:47:41,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:47:41,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:47:41,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:47:41,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:47:41,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:47:41,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:47:41,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:47:41,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:47:41,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:47:41,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:47:41,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:47:41,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:47:41,986 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:47:41,986 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:47:41,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:47:41,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:47:41,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:47:41,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:47:41,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:47:41,987 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:47:41,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:47:41,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:47:41,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:47:41,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:47:41,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:47:41,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:47:41,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:47:41,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3 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 -> be3c297fe43a7bc8ea537df085d4f69535ba54c0205bfc09097f4c935400e3cd [2024-11-25 03:47:42,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:47:42,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:47:42,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:47:42,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:47:42,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:47:42,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i [2024-11-25 03:47:45,420 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data/791039cc7/6a91486ffdeb4b55bdded499107d4009/FLAGc2c7a0242 [2024-11-25 03:47:45,932 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:47:45,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i [2024-11-25 03:47:45,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data/791039cc7/6a91486ffdeb4b55bdded499107d4009/FLAGc2c7a0242 [2024-11-25 03:47:45,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data/791039cc7/6a91486ffdeb4b55bdded499107d4009 [2024-11-25 03:47:45,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:47:45,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:47:45,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:47:45,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:47:46,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:47:46,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:45" (1/1) ... [2024-11-25 03:47:46,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e04d8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:46, skipping insertion in model container [2024-11-25 03:47:46,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:45" (1/1) ... [2024-11-25 03:47:46,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:47:47,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:47:47,103 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:47:47,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:47:47,356 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:47:47,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47 WrapperNode [2024-11-25 03:47:47,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:47:47,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:47:47,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:47:47,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:47:47,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,435 INFO L138 Inliner]: procedures = 499, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-25 03:47:47,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:47:47,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:47:47,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:47:47,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:47:47,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,463 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:47:47,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:47:47,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:47:47,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:47:47,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:47:47,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:47:47,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:47:47,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:47:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:47:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:47:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:47:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:47:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:47:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:47:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:47:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:47:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:47:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:47:47,726 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:47:47,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:47:47,905 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 03:47:47,905 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:47:47,965 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:47:47,966 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:47:47,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:47 BoogieIcfgContainer [2024-11-25 03:47:47,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:47:47,967 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:47:47,967 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:47:47,977 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:47:47,977 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:47" (1/1) ... [2024-11-25 03:47:47,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:47:48,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:47:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:47:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:47:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:47:48,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:47:48,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:47:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:48,217 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:47:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:48,368 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:47:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:48,422 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:47:48,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:47:48 ImpRootNode [2024-11-25 03:47:48,465 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:47:48,466 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:47:48,466 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:47:48,466 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:47:48,467 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:47" (3/4) ... [2024-11-25 03:47:48,472 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:47:48,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:47:48,474 INFO L158 Benchmark]: Toolchain (without parser) took 2479.84ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 39.6MB in the end (delta: 50.6MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,474 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:48,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1363.37ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 80.8MB in the end (delta: 9.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.04ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,475 INFO L158 Benchmark]: Boogie Preprocessor took 41.55ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:48,476 INFO L158 Benchmark]: RCFGBuilder took 487.33ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 61.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,476 INFO L158 Benchmark]: CodeCheck took 498.80ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 39.6MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:47:48,476 INFO L158 Benchmark]: Witness Printer took 6.61ms. Allocated memory is still 117.4MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:48,479 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={19269:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] dataArray[2] = data [L1566] CALL CWE191_Integer_Underflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1363.37ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 80.8MB in the end (delta: 9.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.04ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.55ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.33ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 61.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 498.80ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 39.6MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.61ms. Allocated memory is still 117.4MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:47:48,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3 --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 be3c297fe43a7bc8ea537df085d4f69535ba54c0205bfc09097f4c935400e3cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:47:51,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:47:51,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:47:51,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:47:51,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:47:51,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:47:51,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:47:51,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:47:51,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:47:51,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:47:51,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:47:51,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:47:51,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:47:51,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:47:51,474 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:47:51,474 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:47:51,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:47:51,474 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:47:51,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:47:51,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:47:51,475 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:47:51,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:47:51,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:47:51,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:47:51,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:47:51,478 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:47:51,478 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:47:51,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:47:51,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:47:51,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:47:51,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:47:51,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:47:51,480 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:47:51,480 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:47:51,480 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:47:51,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3 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 -> be3c297fe43a7bc8ea537df085d4f69535ba54c0205bfc09097f4c935400e3cd [2024-11-25 03:47:51,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:47:51,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:47:51,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:47:51,909 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:47:51,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:47:51,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i [2024-11-25 03:47:55,038 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data/3fc59b606/203e061425794cdf9819f5cb896ff558/FLAG5fb4fba50 [2024-11-25 03:47:55,561 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:47:55,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_bad.i [2024-11-25 03:47:55,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data/3fc59b606/203e061425794cdf9819f5cb896ff558/FLAG5fb4fba50 [2024-11-25 03:47:55,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/data/3fc59b606/203e061425794cdf9819f5cb896ff558 [2024-11-25 03:47:55,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:47:55,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:47:55,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:47:55,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:47:55,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:47:55,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:55" (1/1) ... [2024-11-25 03:47:55,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5128a1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:55, skipping insertion in model container [2024-11-25 03:47:55,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:55" (1/1) ... [2024-11-25 03:47:55,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:47:56,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:47:56,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:47:57,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:47:57,365 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:47:57,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57 WrapperNode [2024-11-25 03:47:57,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:47:57,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:47:57,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:47:57,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:47:57,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,449 INFO L138 Inliner]: procedures = 504, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-25 03:47:57,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:47:57,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:47:57,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:47:57,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:47:57,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:47:57,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:47:57,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:47:57,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:47:57,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:47:57,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:47:57,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:47:57,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:47:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:47:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:47:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:47:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:47:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:47:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:47:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:47:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:47:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:47:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:47:57,703 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:47:57,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:47:57,895 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 03:47:57,899 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:47:57,942 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:47:57,942 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:47:57,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:57 BoogieIcfgContainer [2024-11-25 03:47:57,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:47:57,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:47:57,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:47:57,967 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:47:57,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:57" (1/1) ... [2024-11-25 03:47:57,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:47:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:47:58,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:47:58,026 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:47:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:47:58,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:47:58,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:47:58,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:47:58,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:47:58,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:47:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:58,324 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:47:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:58,539 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:47:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:47:58,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:47:58,605 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:47:58,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:47:58 ImpRootNode [2024-11-25 03:47:58,634 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:47:58,635 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:47:58,635 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:47:58,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:47:58,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:57" (3/4) ... [2024-11-25 03:47:58,638 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:47:58,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:47:58,640 INFO L158 Benchmark]: Toolchain (without parser) took 3009.20ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 32.3MB in the end (delta: 25.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-11-25 03:47:58,641 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:58,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1732.40ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 49.6MB in the end (delta: 7.4MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-11-25 03:47:58,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.19ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 47.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:58,642 INFO L158 Benchmark]: Boogie Preprocessor took 32.93ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:58,643 INFO L158 Benchmark]: RCFGBuilder took 459.29ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 28.5MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:47:58,643 INFO L158 Benchmark]: CodeCheck took 690.30ms. Allocated memory is still 83.9MB. Free memory was 28.5MB in the beginning and 32.7MB in the end (delta: -4.2MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-11-25 03:47:58,644 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 32.3MB in the end (delta: 417.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:47:58,646 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] dataArray[2] = data [L1566] CALL CWE191_Integer_Underflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1732.40ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 49.6MB in the end (delta: 7.4MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.19ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 47.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.93ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.29ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 28.5MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 690.30ms. Allocated memory is still 83.9MB. Free memory was 28.5MB in the beginning and 32.7MB in the end (delta: -4.2MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 32.3MB in the end (delta: 417.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:47:58,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2ec3a2e-5865-4c41-b382-f90df054e37d/bin/ukojak-verify-ENZ3QT5qd3/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