./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9 --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 6894b021420f0bd9af897eb652974bbdde6e30960c7627aae9b082e68c4949c0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:17:58,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:17:58,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:17:58,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:17:58,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:17:58,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:17:58,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:17:58,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:17:58,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:17:58,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:17:58,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:17:58,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:17:58,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:17:58,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:17:58,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:17:58,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:17:58,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:17:58,895 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:17:58,896 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:17:58,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:17:58,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:17:58,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:17:58,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:17:58,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:17:58,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:17:58,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:17:58,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:17:58,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:17:58,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:17:58,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:17:58,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:17:58,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:17:58,903 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_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6894b021420f0bd9af897eb652974bbdde6e30960c7627aae9b082e68c4949c0 [2023-12-03 03:17:59,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:17:59,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:17:59,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:17:59,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:17:59,156 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:17:59,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2023-12-03 03:18:01,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:18:02,239 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:18:02,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2023-12-03 03:18:02,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/data/01c09f95f/05bb6ec8a43b4a12b0f4f67cc1100b7c/FLAGfc469dcaa [2023-12-03 03:18:02,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/data/01c09f95f/05bb6ec8a43b4a12b0f4f67cc1100b7c [2023-12-03 03:18:02,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:18:02,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:18:02,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:18:02,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:18:02,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:18:02,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:02" (1/1) ... [2023-12-03 03:18:02,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1a8b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:02, skipping insertion in model container [2023-12-03 03:18:02,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:02" (1/1) ... [2023-12-03 03:18:02,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:18:03,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:18:03,180 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:18:03,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:18:03,425 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:03,426 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:03,426 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:03,426 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:03,426 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:03,434 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:18:03,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03 WrapperNode [2023-12-03 03:18:03,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:18:03,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:18:03,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:18:03,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:18:03,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,492 INFO L138 Inliner]: procedures = 499, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-12-03 03:18:03,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:18:03,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:18:03,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:18:03,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:18:03,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:18:03,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:18:03,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:18:03,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:18:03,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:18:03,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:18:03,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:18:03,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:18:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:18:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:18:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:18:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 03:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:18:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:18:03,731 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:18:03,733 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:18:03,844 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:18:03,879 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:18:03,879 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:18:03,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:03 BoogieIcfgContainer [2023-12-03 03:18:03,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:18:03,882 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:18:03,882 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:18:03,890 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:18:03,890 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:03" (1/1) ... [2023-12-03 03:18:03,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:18:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-03 03:18:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-03 03:18:03,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:18:03,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:03,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:18:04,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:04,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 22 transitions. [2023-12-03 03:18:04,215 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-12-03 03:18:04,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:18:04,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:04,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:18:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 27 transitions. [2023-12-03 03:18:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 03:18:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:18:04,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:04,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:18:04,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:18:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:18:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:18:04,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:18:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:18:04,586 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 03:18:04,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 03:18:04,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-03 03:18:04,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:18:04 ImpRootNode [2023-12-03 03:18:04,619 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:18:04,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:18:04,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:18:04,620 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:18:04,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:03" (3/4) ... [2023-12-03 03:18:04,622 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:18:04,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:18:04,624 INFO L158 Benchmark]: Toolchain (without parser) took 2340.81ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 108.2MB in the beginning and 148.6MB in the end (delta: -40.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-12-03 03:18:04,625 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:18:04,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1150.12ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 101.8MB in the end (delta: 6.4MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2023-12-03 03:18:04,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.63ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 98.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:18:04,626 INFO L158 Benchmark]: Boogie Preprocessor took 28.29ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 97.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:18:04,627 INFO L158 Benchmark]: RCFGBuilder took 358.46ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 81.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:18:04,628 INFO L158 Benchmark]: CodeCheck took 737.85ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 81.7MB in the beginning and 148.6MB in the end (delta: -66.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:18:04,628 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 192.9MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:18:04,632 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 36 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1580. 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 staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] CALL 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, line={4:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_postinc_05_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) [L1571] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1150.12ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 101.8MB in the end (delta: 6.4MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.63ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 98.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.29ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 97.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.46ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 81.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 737.85ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 81.7MB in the beginning and 148.6MB in the end (delta: -66.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 192.9MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet103 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:18:04,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/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_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9 --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 6894b021420f0bd9af897eb652974bbdde6e30960c7627aae9b082e68c4949c0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:18:06,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:18:06,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:18:06,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:18:06,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:18:06,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:18:06,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:18:06,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:18:06,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:18:06,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:18:06,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:18:06,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:18:06,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:18:06,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:18:06,677 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:18:06,677 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:18:06,678 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:18:06,678 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:18:06,679 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:18:06,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:18:06,680 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:18:06,680 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:18:06,681 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:18:06,681 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:18:06,682 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:18:06,682 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:18:06,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:18:06,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:18:06,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:18:06,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:18:06,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:18:06,684 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:18:06,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:18:06,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:18:06,685 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:18:06,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:18:06,685 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6894b021420f0bd9af897eb652974bbdde6e30960c7627aae9b082e68c4949c0 [2023-12-03 03:18:06,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:18:07,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:18:07,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:18:07,016 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:18:07,017 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:18:07,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2023-12-03 03:18:09,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:18:10,156 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:18:10,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2023-12-03 03:18:10,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/data/ad855a36d/d1b5b735c63c4968b985a38c36aa93e2/FLAG4d855d68e [2023-12-03 03:18:10,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/data/ad855a36d/d1b5b735c63c4968b985a38c36aa93e2 [2023-12-03 03:18:10,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:18:10,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:18:10,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:18:10,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:18:10,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:18:10,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:10" (1/1) ... [2023-12-03 03:18:10,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f055e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:10, skipping insertion in model container [2023-12-03 03:18:10,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:10" (1/1) ... [2023-12-03 03:18:10,267 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:18:11,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:18:11,063 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:18:11,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:18:11,280 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:11,280 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:11,281 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:11,281 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:11,281 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:18:11,289 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:18:11,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11 WrapperNode [2023-12-03 03:18:11,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:18:11,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:18:11,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:18:11,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:18:11,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,349 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-12-03 03:18:11,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:18:11,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:18:11,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:18:11,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:18:11,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:18:11,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:18:11,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:18:11,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:18:11,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:18:11,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:18:11,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:18:11,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:18:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:18:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:18:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:18:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:18:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:18:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:18:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:18:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:18:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:18:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:18:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 03:18:11,622 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:18:11,624 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:18:11,767 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:18:11,806 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:18:11,807 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:18:11,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:11 BoogieIcfgContainer [2023-12-03 03:18:11,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:18:11,809 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:18:11,809 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:18:11,819 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:18:11,819 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:11" (1/1) ... [2023-12-03 03:18:11,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:18:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-03 03:18:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-03 03:18:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:18:11,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:11,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:18:11,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:18:11,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:18:11,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:18:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:12,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:18:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:12,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:18:12,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:18:12,107 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:18:12,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:18:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-03 03:18:12,137 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-03 03:18:12,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:18:12,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:12,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:18:12,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:18:12,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:18:12,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:18:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:12,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:18:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:12,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:18:12,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:18:12,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:18:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-03 03:18:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-03 03:18:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:18:12,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:12,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:18:12,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:18:12,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:18:12,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:18:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:18:12,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:18:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:18:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:18:12,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:18:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:18:12,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:18:12,742 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 03:18:12,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 03:18:12,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-12-03 03:18:12,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:18:12 ImpRootNode [2023-12-03 03:18:12,774 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:18:12,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:18:12,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:18:12,775 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:18:12,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:11" (3/4) ... [2023-12-03 03:18:12,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:18:12,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:18:12,778 INFO L158 Benchmark]: Toolchain (without parser) took 2577.41ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 41.5MB in the end (delta: 27.4MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-12-03 03:18:12,779 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:18:12,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.99ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 64.6MB in the end (delta: 4.3MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-12-03 03:18:12,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.75ms. Allocated memory is still 96.5MB. Free memory was 64.6MB in the beginning and 61.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:18:12,781 INFO L158 Benchmark]: Boogie Preprocessor took 36.88ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:18:12,781 INFO L158 Benchmark]: RCFGBuilder took 420.19ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 42.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:18:12,782 INFO L158 Benchmark]: CodeCheck took 964.75ms. Allocated memory is still 96.5MB. Free memory was 42.1MB in the beginning and 41.8MB in the end (delta: 276.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:18:12,782 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 96.5MB. Free memory was 41.8MB in the beginning and 41.5MB in the end (delta: 306.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:18:12,786 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 27 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1580. 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 staticTrue = 1; [L1549] static int staticFalse = 0; [L1580] CALL 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, line={4:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_postinc_05_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) [L1571] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.99ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 64.6MB in the end (delta: 4.3MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.75ms. Allocated memory is still 96.5MB. Free memory was 64.6MB in the beginning and 61.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.88ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.19ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 42.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 964.75ms. Allocated memory is still 96.5MB. Free memory was 42.1MB in the beginning and 41.8MB in the end (delta: 276.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 96.5MB. Free memory was 41.8MB in the beginning and 41.5MB in the end (delta: 306.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:18:12,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ae440-a953-4a0a-9840-81b864737afe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample