./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi --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 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:10,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:10,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:19:10,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:10,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:10,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:10,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:10,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:10,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:10,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:10,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:10,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:10,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:10,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:10,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:10,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:10,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:10,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:19:10,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:10,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:10,255 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:10,256 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:10,256 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:10,257 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:10,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:10,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:10,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:10,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:10,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:10,260 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:10,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:10,261 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:10,262 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_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 [2023-11-24 22:19:10,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:10,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:10,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:10,665 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:10,665 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:10,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2023-11-24 22:19:13,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:14,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:14,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2023-11-24 22:19:14,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/data/440bd9df7/aa3083319b9b4e56a68e271285b1769a/FLAG48313c618 [2023-11-24 22:19:14,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/data/440bd9df7/aa3083319b9b4e56a68e271285b1769a [2023-11-24 22:19:14,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:14,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:14,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:14,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:14,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:14,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c330ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14, skipping insertion in model container [2023-11-24 22:19:14,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:15,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:15,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:15,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:15,815 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:15,815 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:15,815 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:15,815 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:15,816 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:15,824 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:15,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15 WrapperNode [2023-11-24 22:19:15,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:15,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:15,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:15,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:15,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,927 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-11-24 22:19:15,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:15,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:15,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:15,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:15,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:15,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:15,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:15,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:15,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:16,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:16,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:16,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:16,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:19:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:19:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:19:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:19:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:19:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:16,281 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:16,283 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:16,412 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:16,456 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:16,456 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:19:16,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:16 BoogieIcfgContainer [2023-11-24 22:19:16,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:16,459 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:16,459 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:16,470 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:16,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:16" (1/1) ... [2023-11-24 22:19:16,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:19:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:19:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:19:16,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:16,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:16,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:16,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:17,038 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:19:17,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:19:17,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:17 ImpRootNode [2023-11-24 22:19:17,090 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:17,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:17,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:17,095 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:17,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:16" (3/4) ... [2023-11-24 22:19:17,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:19:17,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:17,104 INFO L158 Benchmark]: Toolchain (without parser) took 2771.11ms. Allocated memory is still 148.9MB. Free memory was 116.1MB in the beginning and 104.8MB in the end (delta: 11.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,105 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 117.4MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:17,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1490.48ms. Allocated memory is still 148.9MB. Free memory was 116.1MB in the beginning and 97.0MB in the end (delta: 19.1MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.33ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 94.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,108 INFO L158 Benchmark]: Boogie Preprocessor took 58.37ms. Allocated memory is still 148.9MB. Free memory was 94.1MB in the beginning and 92.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,109 INFO L158 Benchmark]: RCFGBuilder took 466.41ms. Allocated memory is still 148.9MB. Free memory was 92.2MB in the beginning and 76.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,110 INFO L158 Benchmark]: CodeCheck took 630.66ms. Allocated memory is still 148.9MB. Free memory was 76.7MB in the beginning and 105.9MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:17,111 INFO L158 Benchmark]: Witness Printer took 8.42ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 104.8MB in the end (delta: 797.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:17,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1567, overapproximation of large string literal at line 1580. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fgets_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData; [L1580] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=29, argc=29, argv={30:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1567] EXPR data = atoi(inputBuffer) [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563-L1573] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1574] CWE191_Integer_Underflow__int_fgets_sub_45_badData = data [L1575] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fgets_sub_45_badData; VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 117.4MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1490.48ms. Allocated memory is still 148.9MB. Free memory was 116.1MB in the beginning and 97.0MB in the end (delta: 19.1MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.33ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 94.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.37ms. Allocated memory is still 148.9MB. Free memory was 94.1MB in the beginning and 92.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.41ms. Allocated memory is still 148.9MB. Free memory was 92.2MB in the beginning and 76.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 630.66ms. Allocated memory is still 148.9MB. Free memory was 76.7MB in the beginning and 105.9MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.42ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 104.8MB in the end (delta: 797.3kB). 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 [2023-11-24 22:19:17,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi --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 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:19,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:20,050 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:19:20,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:20,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:20,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:20,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:20,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:20,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:20,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:20,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:20,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:20,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:20,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:20,121 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:19:20,122 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:19:20,122 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:19:20,123 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:19:20,123 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:20,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:20,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:20,125 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:20,126 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:20,126 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:20,127 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:20,127 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:20,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:20,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:20,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:20,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:20,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:20,131 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:19:20,131 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:20,132 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:20,132 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:19:20,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:20,133 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_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 [2023-11-24 22:19:20,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:20,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:20,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:20,606 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:20,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:20,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2023-11-24 22:19:23,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:24,284 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:24,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2023-11-24 22:19:24,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/data/387742ba2/17604329cb3c4aac9be202818813f3b6/FLAG61192fd07 [2023-11-24 22:19:24,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/data/387742ba2/17604329cb3c4aac9be202818813f3b6 [2023-11-24 22:19:24,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:24,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:24,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:24,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:24,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:24,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:24" (1/1) ... [2023-11-24 22:19:24,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69dec9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:24, skipping insertion in model container [2023-11-24 22:19:24,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:24" (1/1) ... [2023-11-24 22:19:24,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:25,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:25,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:25,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:26,129 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,130 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,130 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,130 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,130 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:26,138 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:26,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26 WrapperNode [2023-11-24 22:19:26,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:26,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:26,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:26,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:26,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,249 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-11-24 22:19:26,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:26,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:26,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:26,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:26,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:26,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:26,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:26,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:26,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:26,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:26,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:26,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:19:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:19:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:19:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:19:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:19:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 22:19:26,601 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:26,602 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:26,750 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:26,839 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:26,840 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:19:26,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:26 BoogieIcfgContainer [2023-11-24 22:19:26,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:26,842 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:26,842 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:26,853 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:26,853 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:19:26,941 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:19:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:19:26,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:26,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:26,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:19:26,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:19:26,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:19:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:27,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:27,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:27,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:19:27,611 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:19:27,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:19:27,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:27 ImpRootNode [2023-11-24 22:19:27,655 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:27,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:27,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:27,659 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:27,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:26" (3/4) ... [2023-11-24 22:19:27,662 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:19:27,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:27,664 INFO L158 Benchmark]: Toolchain (without parser) took 3299.78ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 60.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,665 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1772.44ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 70.8MB in the end (delta: 10.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.72ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 67.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,668 INFO L158 Benchmark]: Boogie Preprocessor took 77.24ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,669 INFO L158 Benchmark]: RCFGBuilder took 513.40ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 79.7MB in the end (delta: -14.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,670 INFO L158 Benchmark]: CodeCheck took 813.35ms. Allocated memory is still 109.1MB. Free memory was 79.7MB in the beginning and 61.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:19:27,671 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 109.1MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 593.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:27,683 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1567, overapproximation of large string literal at line 1580. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fgets_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData; [L1580] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, 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] [L1581] CALL CWE191_Integer_Underflow__int_fgets_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1567] EXPR data = atoi(inputBuffer) [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563-L1573] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1574] CWE191_Integer_Underflow__int_fgets_sub_45_badData = data [L1575] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fgets_sub_45_badData; VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1772.44ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 70.8MB in the end (delta: 10.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.72ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 67.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.24ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.40ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 79.7MB in the end (delta: -14.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * CodeCheck took 813.35ms. Allocated memory is still 109.1MB. Free memory was 79.7MB in the beginning and 61.5MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 109.1MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 593.0kB). 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 [2023-11-24 22:19:27,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db5df51-a04c-4421-a400-26146e24e0db/bin/ukojak-verify-afCqCEvfdi/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