./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_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_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/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_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/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_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/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 0f2745812b28433868f948a2e41f6239b5d558816bac45f12e70bd0e093bd8b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:24:09,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:24:09,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:24:09,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:24:09,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:24:09,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:24:09,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:24:09,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:24:09,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:24:09,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:24:09,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:24:09,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:24:09,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:24:09,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:24:09,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:24:09,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:24:09,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:24:09,964 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:24:09,964 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:24:09,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:24:09,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:24:09,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:24:09,967 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:24:09,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:24:09,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:24:09,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:24:09,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:24:09,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:24:09,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:24:09,971 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:24:09,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:24:09,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:24:09,972 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_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f2745812b28433868f948a2e41f6239b5d558816bac45f12e70bd0e093bd8b5 [2023-12-03 03:24:10,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:24:10,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:24:10,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:24:10,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:24:10,226 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:24:10,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i [2023-12-03 03:24:12,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:24:13,195 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:24:13,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i [2023-12-03 03:24:13,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/data/91ba05866/f90412ca2cd8465ab61f972fa75795db/FLAG3ee283fdb [2023-12-03 03:24:13,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/data/91ba05866/f90412ca2cd8465ab61f972fa75795db [2023-12-03 03:24:13,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:24:13,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:24:13,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:24:13,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:24:13,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:24:13,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:24:13" (1/1) ... [2023-12-03 03:24:13,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcfb87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:13, skipping insertion in model container [2023-12-03 03:24:13,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:24:13" (1/1) ... [2023-12-03 03:24:13,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:24:14,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:24:14,139 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:24:14,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:24:14,373 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:24:14,374 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:24:14,374 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:24:14,374 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:24:14,382 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:24:14,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14 WrapperNode [2023-12-03 03:24:14,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:24:14,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:24:14,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:24:14,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:24:14,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,444 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-12-03 03:24:14,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:24:14,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:24:14,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:24:14,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:24:14,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:24:14,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:24:14,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:24:14,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:24:14,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:24:14,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:24:14,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:24:14,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:24:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:24:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:24:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:24:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:24:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:24:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:24:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:24:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:24:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:24:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:24:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:24:14,692 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:24:14,694 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:24:14,795 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:24:14,838 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:24:14,839 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:24:14,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:24:14 BoogieIcfgContainer [2023-12-03 03:24:14,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:24:14,841 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:24:14,842 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:24:14,852 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:24:14,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:24:14" (1/1) ... [2023-12-03 03:24:14,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:24:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:14,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:24:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:24:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:24:14,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:14,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:24:15,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:24:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:24:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:24:15,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:24:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:24:15,217 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:24:15,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-03 03:24:15,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 03:24:15,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-03 03:24:15,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:24:15 ImpRootNode [2023-12-03 03:24:15,242 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:24:15,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:24:15,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:24:15,243 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:24:15,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:24:14" (3/4) ... [2023-12-03 03:24:15,245 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:24:15,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:24:15,247 INFO L158 Benchmark]: Toolchain (without parser) took 2006.85ms. Allocated memory is still 148.9MB. Free memory was 101.1MB in the beginning and 99.3MB in the end (delta: 1.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-12-03 03:24:15,247 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:24:15,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1141.74ms. Allocated memory is still 148.9MB. Free memory was 101.1MB in the beginning and 75.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-12-03 03:24:15,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.99ms. Allocated memory is still 148.9MB. Free memory was 75.2MB in the beginning and 71.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:24:15,248 INFO L158 Benchmark]: Boogie Preprocessor took 29.61ms. Allocated memory is still 148.9MB. Free memory was 71.8MB in the beginning and 70.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:24:15,249 INFO L158 Benchmark]: RCFGBuilder took 365.28ms. Allocated memory is still 148.9MB. Free memory was 70.5MB in the beginning and 55.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:24:15,249 INFO L158 Benchmark]: CodeCheck took 401.04ms. Allocated memory is still 148.9MB. Free memory was 55.0MB in the beginning and 99.3MB in the end (delta: -44.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:24:15,250 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 148.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:24:15,253 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: 1560]: 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 1569. 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 const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=16, argc=16, argv={13:19}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] EXPR \read(data) [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data={30614:0}, 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 0.14ms. Allocated memory is still 115.3MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1141.74ms. Allocated memory is still 148.9MB. Free memory was 101.1MB in the beginning and 75.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.99ms. Allocated memory is still 148.9MB. Free memory was 75.2MB in the beginning and 71.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.61ms. Allocated memory is still 148.9MB. Free memory was 71.8MB in the beginning and 70.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.28ms. Allocated memory is still 148.9MB. Free memory was 70.5MB in the beginning and 55.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 401.04ms. Allocated memory is still 148.9MB. Free memory was 55.0MB in the beginning and 99.3MB in the end (delta: -44.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 148.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:24:15,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/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_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/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_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/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_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/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 0f2745812b28433868f948a2e41f6239b5d558816bac45f12e70bd0e093bd8b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:24:17,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:24:17,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:24:17,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:24:17,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:24:17,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:24:17,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:24:17,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:24:17,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:24:17,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:24:17,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:24:17,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:24:17,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:24:17,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:24:17,267 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:24:17,267 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:24:17,268 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:24:17,268 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:24:17,269 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:24:17,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:24:17,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:24:17,270 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:24:17,271 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:24:17,271 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:24:17,272 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:17,272 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:24:17,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:24:17,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:24:17,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:24:17,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:24:17,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:24:17,274 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:24:17,275 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:17,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:24:17,276 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:24:17,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:24:17,276 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_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f2745812b28433868f948a2e41f6239b5d558816bac45f12e70bd0e093bd8b5 [2023-12-03 03:24:17,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:24:17,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:24:17,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:24:17,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:24:17,586 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:24:17,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i [2023-12-03 03:24:20,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:24:20,716 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:24:20,717 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_06_bad.i [2023-12-03 03:24:20,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/data/9b266ca22/186f063d02594748993afd9872af335f/FLAG0523dbf0c [2023-12-03 03:24:20,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/data/9b266ca22/186f063d02594748993afd9872af335f [2023-12-03 03:24:20,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:24:20,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:24:20,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:24:20,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:24:20,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:24:20,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:24:20" (1/1) ... [2023-12-03 03:24:20,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591b93b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:20, skipping insertion in model container [2023-12-03 03:24:20,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:24:20" (1/1) ... [2023-12-03 03:24:20,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:24:21,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:24:21,544 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:24:21,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:24:21,742 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:24:21,742 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:24:21,742 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:24:21,742 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:24:21,748 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:24:21,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21 WrapperNode [2023-12-03 03:24:21,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:24:21,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:24:21,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:24:21,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:24:21,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,804 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-12-03 03:24:21,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:24:21,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:24:21,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:24:21,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:24:21,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:24:21,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:24:21,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:24:21,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:24:21,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:24:21" (1/1) ... [2023-12-03 03:24:21,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:24:21,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:24:21,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:24:21,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:24:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:24:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:24:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:24:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:24:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:24:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:24:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:24:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:24:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:24:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:24:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:24:22,070 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:24:22,072 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:24:22,207 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:24:22,254 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:24:22,254 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:24:22,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:24:22 BoogieIcfgContainer [2023-12-03 03:24:22,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:24:22,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:24:22,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:24:22,264 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:24:22,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:24:22" (1/1) ... [2023-12-03 03:24:22,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:24:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:22,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:24:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:24:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:24:22,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:22,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:22,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:22,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:22,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:24:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:24:22,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:24:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:24:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:24:22,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:24:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:24:22,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:22,745 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:24:22,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 03:24:22,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-12-03 03:24:22,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 03:24:22,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:24:22 ImpRootNode [2023-12-03 03:24:22,774 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:24:22,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:24:22,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:24:22,775 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:24:22,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:24:22" (3/4) ... [2023-12-03 03:24:22,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:24:22,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:24:22,779 INFO L158 Benchmark]: Toolchain (without parser) took 2023.08ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.6MB in the beginning and 63.3MB in the end (delta: -14.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-12-03 03:24:22,780 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:24:22,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 991.31ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.4MB in the beginning and 47.5MB in the end (delta: 867.3kB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-12-03 03:24:22,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.05ms. Allocated memory is still 98.6MB. Free memory was 47.5MB in the beginning and 44.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:24:22,782 INFO L158 Benchmark]: Boogie Preprocessor took 41.70ms. Allocated memory is still 98.6MB. Free memory was 44.1MB in the beginning and 70.8MB in the end (delta: -26.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-12-03 03:24:22,782 INFO L158 Benchmark]: RCFGBuilder took 408.81ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 53.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:24:22,783 INFO L158 Benchmark]: CodeCheck took 517.27ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 63.3MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:24:22,783 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 98.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:24:22,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 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: 1560]: 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 1569. 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 const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] EXPR \read(data) [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data={5:0}, 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 0.21ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 991.31ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.4MB in the beginning and 47.5MB in the end (delta: 867.3kB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.05ms. Allocated memory is still 98.6MB. Free memory was 47.5MB in the beginning and 44.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.70ms. Allocated memory is still 98.6MB. Free memory was 44.1MB in the beginning and 70.8MB in the end (delta: -26.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 408.81ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 53.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 517.27ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 63.3MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 98.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:24:22,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff69f85-2c23-4bb8-9a60-61e1f118b7ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample