./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_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_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/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_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/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_2b413e2d-585a-4af5-9ac1-609778be6169/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 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:10,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:10,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:10:10,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:10,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:10,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:10,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:10,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:10,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:10,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:10,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:10,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:10,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:10,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:10,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:10,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:10,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:10,751 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:10:10,751 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:10,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:10,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:10,753 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:10,754 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:10,754 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:10,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:10,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:10,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:10,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:10,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:10,757 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:10,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:10,759 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:10,759 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_2b413e2d-585a-4af5-9ac1-609778be6169/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 [2023-11-24 23:10:11,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:11,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:11,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:11,154 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:11,155 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:11,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2023-11-24 23:10:14,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:14,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:14,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2023-11-24 23:10:14,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/data/1b3a8c4bc/245cdb9ce5e2476393846f29dc5b3d39/FLAG071ce5a77 [2023-11-24 23:10:14,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/data/1b3a8c4bc/245cdb9ce5e2476393846f29dc5b3d39 [2023-11-24 23:10:14,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:14,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:14,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:14,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:14,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:14,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d84df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:14, skipping insertion in model container [2023-11-24 23:10:14,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:14" (1/1) ... [2023-11-24 23:10:14,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:15,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:15,741 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:15,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:15,985 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:15,985 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:15,985 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:15,985 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:15,993 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:15,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15 WrapperNode [2023-11-24 23:10:15,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:15,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:15,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:15,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:16,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,088 INFO L138 Inliner]: procedures = 501, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 54 [2023-11-24 23:10:16,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:16,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:16,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:16,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:16,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:16,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:16,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:16,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:16,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:15" (1/1) ... [2023-11-24 23:10:16,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:16,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:16,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:16,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:10:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:10:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:10:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:10:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:10:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:16,454 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:16,457 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:16,583 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:16,655 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:16,655 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:16,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:16 BoogieIcfgContainer [2023-11-24 23:10:16,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:16,658 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:16,658 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:16,669 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:16,671 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:16" (1/1) ... [2023-11-24 23:10:16,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:10:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:10:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:10:16,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:16,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:16,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:17,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:17,260 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:10:17,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 23:10:17,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:17 ImpRootNode [2023-11-24 23:10:17,298 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:17,301 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:17,301 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:17,301 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:17,302 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:16" (3/4) ... [2023-11-24 23:10:17,307 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:10:17,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:17,310 INFO L158 Benchmark]: Toolchain (without parser) took 2570.40ms. Allocated memory is still 165.7MB. Free memory was 135.6MB in the beginning and 99.6MB in the end (delta: 36.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-11-24 23:10:17,311 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:17,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1254.53ms. Allocated memory is still 165.7MB. Free memory was 135.6MB in the beginning and 72.9MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:10:17,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.48ms. Allocated memory is still 165.7MB. Free memory was 72.9MB in the beginning and 69.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:17,314 INFO L158 Benchmark]: Boogie Preprocessor took 95.17ms. Allocated memory is still 165.7MB. Free memory was 69.6MB in the beginning and 134.2MB in the end (delta: -64.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:17,315 INFO L158 Benchmark]: RCFGBuilder took 471.99ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 119.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:10:17,316 INFO L158 Benchmark]: CodeCheck took 640.39ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 100.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:10:17,317 INFO L158 Benchmark]: Witness Printer took 7.73ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 99.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:17,327 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: 0.6s, 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: 0.0s 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={13:44}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1254.53ms. Allocated memory is still 165.7MB. Free memory was 135.6MB in the beginning and 72.9MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.48ms. Allocated memory is still 165.7MB. Free memory was 72.9MB in the beginning and 69.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.17ms. Allocated memory is still 165.7MB. Free memory was 69.6MB in the beginning and 134.2MB in the end (delta: -64.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 471.99ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 119.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 640.39ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 100.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 7.73ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 99.6MB in the end (delta: 1.1MB). 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 23:10:17,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/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 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_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/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_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/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_2b413e2d-585a-4af5-9ac1-609778be6169/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 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:20,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:20,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:10:20,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:20,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:20,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:20,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:20,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:20,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:20,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:20,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:20,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:20,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:20,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:20,196 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:10:20,197 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:10:20,197 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:10:20,198 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:10:20,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:20,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:20,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:20,201 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:20,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:20,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:20,203 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:20,203 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:20,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:20,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:20,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:20,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:20,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:20,207 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:10:20,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:20,208 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:20,209 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:10:20,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:20,209 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_2b413e2d-585a-4af5-9ac1-609778be6169/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d6a3dc027a39c7142f4a6e59b3b9079647e32a17a2f5d2dc587e6490f3912e8 [2023-11-24 23:10:20,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:20,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:20,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:20,660 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:20,661 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:20,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2023-11-24 23:10:23,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:24,442 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:24,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_53_bad.i [2023-11-24 23:10:24,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/data/1e3c4afae/8543cb97aabb4162a491d46b07857fe1/FLAGc44c2f653 [2023-11-24 23:10:24,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/data/1e3c4afae/8543cb97aabb4162a491d46b07857fe1 [2023-11-24 23:10:24,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:24,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:24,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:24,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:24,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:24,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:24" (1/1) ... [2023-11-24 23:10:24,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f80612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:24, skipping insertion in model container [2023-11-24 23:10:24,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:24" (1/1) ... [2023-11-24 23:10:24,604 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:25,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:25,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:25,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:26,084 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:26,084 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:26,084 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:26,084 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:26,093 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:26,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26 WrapperNode [2023-11-24 23:10:26,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:26,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:26,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:26,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:26,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,185 INFO L138 Inliner]: procedures = 506, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 53 [2023-11-24 23:10:26,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:26,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:26,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:26,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:26,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:26,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:26,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:26,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:26,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:26,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:26,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:26,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:10:26,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:10:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:10:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:26,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:10:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:10:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:10:26,505 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:26,507 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:26,749 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:26,822 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:26,823 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:26,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:26 BoogieIcfgContainer [2023-11-24 23:10:26,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:26,827 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:26,827 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:26,837 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:26,838 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:26" (1/1) ... [2023-11-24 23:10:26,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:10:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:10:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:10:26,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:26,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:26,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:26,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:26,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:10:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:27,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:27,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:27,539 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:10:27,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:10:27,551 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:10:27,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:10:27,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:27 ImpRootNode [2023-11-24 23:10:27,589 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:27,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:27,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:27,592 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:27,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:26" (3/4) ... [2023-11-24 23:10:27,595 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:10:27,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:27,597 INFO L158 Benchmark]: Toolchain (without parser) took 3092.71ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 72.5MB in the end (delta: -20.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-11-24 23:10:27,598 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:27,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1588.34ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 52.1MB in the beginning and 53.6MB in the end (delta: -1.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-24 23:10:27,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.81ms. Allocated memory is still 104.9MB. Free memory was 53.1MB in the beginning and 50.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:27,601 INFO L158 Benchmark]: Boogie Preprocessor took 49.23ms. Allocated memory is still 104.9MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:27,603 INFO L158 Benchmark]: RCFGBuilder took 589.36ms. Allocated memory is still 104.9MB. Free memory was 47.9MB in the beginning and 61.3MB in the end (delta: -13.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-24 23:10:27,604 INFO L158 Benchmark]: CodeCheck took 762.72ms. Allocated memory is still 104.9MB. Free memory was 61.3MB in the beginning and 73.1MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:27,604 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 72.5MB in the end (delta: 581.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:27,617 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: 0.7s, 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, 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_53d_badSink(data) [L1576] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1588.34ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 52.1MB in the beginning and 53.6MB in the end (delta: -1.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.81ms. Allocated memory is still 104.9MB. Free memory was 53.1MB in the beginning and 50.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.23ms. Allocated memory is still 104.9MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.36ms. Allocated memory is still 104.9MB. Free memory was 47.9MB in the beginning and 61.3MB in the end (delta: -13.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * CodeCheck took 762.72ms. Allocated memory is still 104.9MB. Free memory was 61.3MB in the beginning and 73.1MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 72.5MB in the end (delta: 581.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:10:27,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e2d-585a-4af5-9ac1-609778be6169/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