./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_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_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/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_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/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_5bc3d64c-884a-4676-91fd-b7cf7837473d/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 b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:48:17,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:48:17,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:48:17,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:48:17,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:48:17,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:48:17,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:48:17,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:48:17,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:48:17,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:48:17,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:48:17,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:48:17,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:48:17,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:48:17,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:48:17,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:48:17,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:48:17,883 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:48:17,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:48:17,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:48:17,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:48:17,885 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:48:17,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:48:17,886 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:48:17,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:48:17,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:17,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:48:17,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:48:17,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:48:17,889 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:48:17,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:48:17,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:48:17,890 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_5bc3d64c-884a-4676-91fd-b7cf7837473d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f [2023-12-02 23:48:18,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:48:18,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:48:18,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:48:18,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:48:18,116 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:48:18,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2023-12-02 23:48:20,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:48:21,211 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:48:21,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2023-12-02 23:48:21,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/data/5b6b7752c/cf0bc1ffc8e3414fad43ed8aed1052a7/FLAGe312bc48b [2023-12-02 23:48:21,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/data/5b6b7752c/cf0bc1ffc8e3414fad43ed8aed1052a7 [2023-12-02 23:48:21,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:48:21,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:48:21,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:21,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:48:21,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:48:21,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:21" (1/1) ... [2023-12-02 23:48:21,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e735312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:21, skipping insertion in model container [2023-12-02 23:48:21,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:21" (1/1) ... [2023-12-02 23:48:21,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:22,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:22,037 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:48:22,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:22,271 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:22,271 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:22,271 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:22,271 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:22,279 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:48:22,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22 WrapperNode [2023-12-02 23:48:22,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:22,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:22,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:48:22,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:48:22,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,330 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 52 [2023-12-02 23:48:22,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:22,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:48:22,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:48:22,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:48:22,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:48:22,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:48:22,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:48:22,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:48:22,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:22,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:48:22,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:48:22,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:48:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:48:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:48:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:48:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:48:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:48:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:48:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:48:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:48:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:48:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:48:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:48:22,534 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:48:22,536 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:48:22,640 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:48:22,669 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:48:22,669 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:48:22,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:22 BoogieIcfgContainer [2023-12-02 23:48:22,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:48:22,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:48:22,672 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:48:22,679 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:48:22,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:22" (1/1) ... [2023-12-02 23:48:22,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:48:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:48:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:48:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:48:22,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:22,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:22,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:22,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:23,017 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:48:23,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 23:48:23,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:48:23 ImpRootNode [2023-12-02 23:48:23,041 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:48:23,042 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:48:23,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:48:23,042 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:48:23,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:22" (3/4) ... [2023-12-02 23:48:23,045 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:48:23,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:48:23,047 INFO L158 Benchmark]: Toolchain (without parser) took 1792.19ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 101.1MB in the end (delta: 3.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-12-02 23:48:23,047 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:23,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1024.26ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 86.0MB in the end (delta: 17.8MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-12-02 23:48:23,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.66ms. Allocated memory is still 151.0MB. Free memory was 86.0MB in the beginning and 83.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:48:23,049 INFO L158 Benchmark]: Boogie Preprocessor took 22.46ms. Allocated memory is still 151.0MB. Free memory was 82.7MB in the beginning and 81.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:23,050 INFO L158 Benchmark]: RCFGBuilder took 316.95ms. Allocated memory is still 151.0MB. Free memory was 81.3MB in the beginning and 67.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:48:23,050 INFO L158 Benchmark]: CodeCheck took 369.90ms. Allocated memory is still 151.0MB. Free memory was 67.1MB in the beginning and 101.9MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:23,051 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 151.0MB. Free memory was 101.9MB in the beginning and 101.1MB in the end (delta: 743.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:23,054 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: 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)=13, argc=13, argv={35:34}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52c_badSink(data) [L1571] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, 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 0.18ms. Allocated memory is still 151.0MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1024.26ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 86.0MB in the end (delta: 17.8MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.66ms. Allocated memory is still 151.0MB. Free memory was 86.0MB in the beginning and 83.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.46ms. Allocated memory is still 151.0MB. Free memory was 82.7MB in the beginning and 81.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.95ms. Allocated memory is still 151.0MB. Free memory was 81.3MB in the beginning and 67.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 369.90ms. Allocated memory is still 151.0MB. Free memory was 67.1MB in the beginning and 101.9MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 151.0MB. Free memory was 101.9MB in the beginning and 101.1MB in the end (delta: 743.6kB). Peak memory consumption was 2.1MB. 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 [2023-12-02 23:48:23,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/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_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/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_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/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_5bc3d64c-884a-4676-91fd-b7cf7837473d/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 b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:48:24,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:48:25,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:48:25,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:48:25,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:48:25,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:48:25,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:48:25,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:48:25,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:48:25,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:48:25,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:48:25,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:48:25,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:48:25,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:48:25,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:48:25,104 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:48:25,105 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:48:25,105 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:48:25,106 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:48:25,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:48:25,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:48:25,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:48:25,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:48:25,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:48:25,108 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:25,109 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:48:25,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:48:25,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:25,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:48:25,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:48:25,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:48:25,111 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:48:25,112 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:25,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:48:25,112 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:48:25,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:48:25,113 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_5bc3d64c-884a-4676-91fd-b7cf7837473d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f [2023-12-02 23:48:25,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:48:25,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:48:25,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:48:25,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:48:25,451 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:48:25,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2023-12-02 23:48:28,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:48:28,547 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:48:28,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2023-12-02 23:48:28,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/data/41101cc09/076a79e7f22d4d2d816d7ff70daecf51/FLAG4ab935b81 [2023-12-02 23:48:28,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/data/41101cc09/076a79e7f22d4d2d816d7ff70daecf51 [2023-12-02 23:48:28,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:48:28,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:48:28,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:28,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:48:28,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:48:28,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:28" (1/1) ... [2023-12-02 23:48:28,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e27aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:28, skipping insertion in model container [2023-12-02 23:48:28,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:28" (1/1) ... [2023-12-02 23:48:28,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:29,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:29,442 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:48:29,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:29,627 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:29,627 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:29,627 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:29,627 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:29,633 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:48:29,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29 WrapperNode [2023-12-02 23:48:29,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:29,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:29,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:48:29,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:48:29,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,692 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 51 [2023-12-02 23:48:29,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:29,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:48:29,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:48:29,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:48:29,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:48:29,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:48:29,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:48:29,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:48:29,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:29" (1/1) ... [2023-12-02 23:48:29,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:29,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:48:29,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:48:29,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:48:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:48:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:48:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:48:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:48:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:48:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:48:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:48:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:48:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:48:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:48:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:48:29,984 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:48:29,986 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:48:30,117 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:48:30,156 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:48:30,157 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:48:30,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:30 BoogieIcfgContainer [2023-12-02 23:48:30,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:48:30,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:48:30,159 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:48:30,169 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:48:30,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:30" (1/1) ... [2023-12-02 23:48:30,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:48:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:48:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:48:30,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:48:30,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:30,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:30,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:30,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:30,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:48:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:30,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:30,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:30,724 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:48:30,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:30,730 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:48:30,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 23:48:30,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:48:30 ImpRootNode [2023-12-02 23:48:30,757 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:48:30,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:48:30,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:48:30,758 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:48:30,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:30" (3/4) ... [2023-12-02 23:48:30,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:48:30,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:48:30,762 INFO L158 Benchmark]: Toolchain (without parser) took 2172.72ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 49.5MB in the end (delta: 32.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-12-02 23:48:30,763 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:30,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1042.93ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 44.4MB in the end (delta: 37.2MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2023-12-02 23:48:30,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.57ms. Allocated memory is still 109.1MB. Free memory was 44.4MB in the beginning and 41.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:30,765 INFO L158 Benchmark]: Boogie Preprocessor took 34.36ms. Allocated memory is still 109.1MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:30,765 INFO L158 Benchmark]: RCFGBuilder took 430.04ms. Allocated memory is still 109.1MB. Free memory was 39.0MB in the beginning and 67.8MB in the end (delta: -28.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-12-02 23:48:30,766 INFO L158 Benchmark]: CodeCheck took 597.74ms. Allocated memory is still 109.1MB. Free memory was 67.8MB in the beginning and 50.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:48:30,766 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 109.1MB. Free memory was 50.2MB in the beginning and 49.5MB in the end (delta: 690.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:30,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: 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_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52c_badSink(data) [L1571] COND TRUE data < 0 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] [L1573] data * 2 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 0.18ms. Allocated memory is still 65.0MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1042.93ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 44.4MB in the end (delta: 37.2MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.57ms. Allocated memory is still 109.1MB. Free memory was 44.4MB in the beginning and 41.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.36ms. Allocated memory is still 109.1MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.04ms. Allocated memory is still 109.1MB. Free memory was 39.0MB in the beginning and 67.8MB in the end (delta: -28.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * CodeCheck took 597.74ms. Allocated memory is still 109.1MB. Free memory was 67.8MB in the beginning and 50.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 109.1MB. Free memory was 50.2MB in the beginning and 49.5MB in the end (delta: 690.5kB). 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 [2023-12-02 23:48:30,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc3d64c-884a-4676-91fd-b7cf7837473d/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