./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/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_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/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_7a3194e8-a3dd-460a-b453-6482635c019d/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 3629e298e802980fbdb63668044d5913b9c27cb0879fbad5293d4d9b5084df26 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:51:45,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:51:45,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:51:45,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:51:45,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:51:45,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:51:45,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:51:45,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:51:45,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:51:45,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:51:45,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:51:45,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:51:45,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:51:45,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:51:45,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:51:45,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:51:45,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:51:45,390 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:51:45,390 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:51:45,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:51:45,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:51:45,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:51:45,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:51:45,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:51:45,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:51:45,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:51:45,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:51:45,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:51:45,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:51:45,405 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:51:45,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:51:45,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:51:45,406 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_7a3194e8-a3dd-460a-b453-6482635c019d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3629e298e802980fbdb63668044d5913b9c27cb0879fbad5293d4d9b5084df26 [2023-12-03 02:51:45,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:51:45,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:51:45,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:51:45,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:51:45,668 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:51:45,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i [2023-12-03 02:51:48,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:51:48,679 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:51:48,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i [2023-12-03 02:51:48,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/data/8af3cd540/df26b271cc6b40769af5d4c5c3ad3f84/FLAG7ef71eda6 [2023-12-03 02:51:48,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/data/8af3cd540/df26b271cc6b40769af5d4c5c3ad3f84 [2023-12-03 02:51:48,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:51:48,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:51:48,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:51:48,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:51:48,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:51:48,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:51:48" (1/1) ... [2023-12-03 02:51:48,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdc6ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:48, skipping insertion in model container [2023-12-03 02:51:48,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:51:48" (1/1) ... [2023-12-03 02:51:48,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:51:49,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:51:49,665 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:51:49,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:51:49,869 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:51:49,869 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:51:49,869 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:51:49,869 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:51:49,877 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:51:49,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49 WrapperNode [2023-12-03 02:51:49,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:51:49,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:51:49,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:51:49,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:51:49,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,945 INFO L138 Inliner]: procedures = 502, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 58 [2023-12-03 02:51:49,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:51:49,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:51:49,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:51:49,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:51:49,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:51:49,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:51:49,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:51:49,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:51:49,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:49" (1/1) ... [2023-12-03 02:51:49,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:51:50,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:51:50,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:51:50,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:51:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:51:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:51:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:51:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:51:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:51:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:51:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:51:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:51:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:51:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:51:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:51:50,177 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:51:50,179 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:51:50,286 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:51:50,326 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:51:50,326 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:51:50,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:51:50 BoogieIcfgContainer [2023-12-03 02:51:50,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:51:50,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:51:50,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:51:50,338 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:51:50,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:51:50" (1/1) ... [2023-12-03 02:51:50,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:51:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 02:51:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 02:51:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:51:50,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:50,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:51:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:51:50,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:51:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:51:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:51:50,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:51:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:51:50,676 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:51:50,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 02:51:50,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:51:50 ImpRootNode [2023-12-03 02:51:50,703 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:51:50,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:51:50,704 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:51:50,704 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:51:50,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:51:50" (3/4) ... [2023-12-03 02:51:50,707 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:51:50,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:51:50,709 INFO L158 Benchmark]: Toolchain (without parser) took 1776.61ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 98.3MB in the end (delta: 39.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-12-03 02:51:50,709 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:51:50,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.79ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 74.4MB in the end (delta: 63.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 02:51:50,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.92ms. Allocated memory is still 167.8MB. Free memory was 74.0MB in the beginning and 135.0MB in the end (delta: -61.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:51:50,711 INFO L158 Benchmark]: Boogie Preprocessor took 29.20ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 133.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:51:50,712 INFO L158 Benchmark]: RCFGBuilder took 352.39ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 118.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:51:50,712 INFO L158 Benchmark]: CodeCheck took 374.35ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 99.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:51:50,713 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 167.8MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:51:50,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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); [L1559] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={13:40}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_54_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_predec_54e_badSink(data) [L1582] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.19ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 944.79ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 74.4MB in the end (delta: 63.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.92ms. Allocated memory is still 167.8MB. Free memory was 74.0MB in the beginning and 135.0MB in the end (delta: -61.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.20ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 133.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.39ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 118.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 374.35ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 99.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 167.8MB. Free memory is still 98.3MB. 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~nondet102 - 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 02:51:50,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/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_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/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_7a3194e8-a3dd-460a-b453-6482635c019d/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 3629e298e802980fbdb63668044d5913b9c27cb0879fbad5293d4d9b5084df26 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:51:52,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:51:52,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:51:52,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:51:52,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:51:52,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:51:52,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:51:52,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:51:52,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:51:52,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:51:52,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:51:52,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:51:52,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:51:52,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:51:52,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:51:52,785 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:51:52,786 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:51:52,786 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:51:52,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:51:52,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:51:52,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:51:52,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:51:52,789 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:51:52,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:51:52,790 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:52,791 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:51:52,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:51:52,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:51:52,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:51:52,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:51:52,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:51:52,794 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:51:52,794 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:52,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:51:52,794 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:51:52,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:51:52,795 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_7a3194e8-a3dd-460a-b453-6482635c019d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3629e298e802980fbdb63668044d5913b9c27cb0879fbad5293d4d9b5084df26 [2023-12-03 02:51:53,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:51:53,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:51:53,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:51:53,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:51:53,112 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:51:53,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i [2023-12-03 02:51:55,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:51:56,179 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:51:56,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_54_bad.i [2023-12-03 02:51:56,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/data/8d757af34/cdb7cf3185d54f3f9cd625bc78332a25/FLAG0e7f791f3 [2023-12-03 02:51:56,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/data/8d757af34/cdb7cf3185d54f3f9cd625bc78332a25 [2023-12-03 02:51:56,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:51:56,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:51:56,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:51:56,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:51:56,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:51:56,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:51:56" (1/1) ... [2023-12-03 02:51:56,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349eabb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:56, skipping insertion in model container [2023-12-03 02:51:56,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:51:56" (1/1) ... [2023-12-03 02:51:56,289 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:51:57,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:51:57,066 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:51:57,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:51:57,301 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:51:57,301 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:51:57,301 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:51:57,301 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:51:57,309 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:51:57,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57 WrapperNode [2023-12-03 02:51:57,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:51:57,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:51:57,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:51:57,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:51:57,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,370 INFO L138 Inliner]: procedures = 507, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 57 [2023-12-03 02:51:57,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:51:57,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:51:57,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:51:57,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:51:57,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:51:57,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:51:57,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:51:57,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:51:57,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:51:57,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:51:57,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:51:57,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:51:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:51:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:51:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:51:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:51:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:51:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:51:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:51:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:51:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:51:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:51:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:51:57,625 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:51:57,627 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:51:57,772 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:51:57,817 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:51:57,817 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:51:57,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:51:57 BoogieIcfgContainer [2023-12-03 02:51:57,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:51:57,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:51:57,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:51:57,830 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:51:57,830 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:51:57" (1/1) ... [2023-12-03 02:51:57,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:51:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 02:51:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 02:51:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:51:57,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:57,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:57,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:57,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:57,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:51:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:51:58,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:51:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:51:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:51:58,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:51:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:51:58,385 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:51:58,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:58,392 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:51:58,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 02:51:58,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:51:58 ImpRootNode [2023-12-03 02:51:58,421 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:51:58,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:51:58,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:51:58,423 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:51:58,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:51:57" (3/4) ... [2023-12-03 02:51:58,425 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:51:58,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:51:58,427 INFO L158 Benchmark]: Toolchain (without parser) took 2202.75ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 53.1MB in the beginning and 70.0MB in the end (delta: -16.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-12-03 02:51:58,428 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:51:58,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1084.15ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 52.8MB in the beginning and 75.7MB in the end (delta: -23.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-12-03 02:51:58,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.23ms. Allocated memory is still 111.1MB. Free memory was 75.7MB in the beginning and 72.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:51:58,430 INFO L158 Benchmark]: Boogie Preprocessor took 36.24ms. Allocated memory is still 111.1MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:51:58,431 INFO L158 Benchmark]: RCFGBuilder took 410.98ms. Allocated memory is still 111.1MB. Free memory was 70.6MB in the beginning and 53.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:51:58,431 INFO L158 Benchmark]: CodeCheck took 601.37ms. Allocated memory is still 111.1MB. Free memory was 53.3MB in the beginning and 70.0MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:51:58,432 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 111.1MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:51:58,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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); [L1559] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_54_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_predec_54e_badSink(data) [L1582] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.22ms. Allocated memory is still 77.6MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1084.15ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 52.8MB in the beginning and 75.7MB in the end (delta: -23.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.23ms. Allocated memory is still 111.1MB. Free memory was 75.7MB in the beginning and 72.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.24ms. Allocated memory is still 111.1MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.98ms. Allocated memory is still 111.1MB. Free memory was 70.6MB in the beginning and 53.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 601.37ms. Allocated memory is still 111.1MB. Free memory was 53.3MB in the beginning and 70.0MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 111.1MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 2.7kB). 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~nondet100 - 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 02:51:58,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3194e8-a3dd-460a-b453-6482635c019d/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample