./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_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_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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 6d514edb8a4a3f01febfd738a51110b9cf5616542da79e0d3dd4314e01a864bd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:59,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:59,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:58:59,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:59,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:59,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:59,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:59,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:59,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:59,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:59,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:59,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:59,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:59,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:59,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:59,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:59,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:59,250 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:59,250 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:59,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:59,251 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:59,252 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:59,254 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:59,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:59,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:59,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:59,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:59,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:59,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:59,257 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:59,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:59,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:59,259 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_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d514edb8a4a3f01febfd738a51110b9cf5616542da79e0d3dd4314e01a864bd [2023-11-24 22:58:59,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:59,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:59,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:59,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:59,548 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:59,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_bad.i [2023-11-24 22:59:02,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:03,074 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:03,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_bad.i [2023-11-24 22:59:03,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/data/d4d5bc538/074b483e80264768b0a59ee706dcb8fb/FLAGf5d497ce2 [2023-11-24 22:59:03,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/data/d4d5bc538/074b483e80264768b0a59ee706dcb8fb [2023-11-24 22:59:03,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:03,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:03,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:03,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:03,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:03,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb69567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:03, skipping insertion in model container [2023-11-24 22:59:03,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,260 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:04,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:04,307 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:04,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:04,624 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:04,642 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:04,643 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:04,643 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:04,643 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:04,663 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:04,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04 WrapperNode [2023-11-24 22:59:04,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:04,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:04,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:04,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:04,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,770 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2023-11-24 22:59:04,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:04,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:04,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:04,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:04,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:04,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:04,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:04,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:04,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:04" (1/1) ... [2023-11-24 22:59:04,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:04,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:04,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:04,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:59:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:59:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:59:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:05,102 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:05,115 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:05,253 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:05,301 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:05,301 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:59:05,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:05 BoogieIcfgContainer [2023-11-24 22:59:05,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:05,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:05,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:05,319 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:05,319 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:05" (1/1) ... [2023-11-24 22:59:05,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:05,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:05,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:59:05,376 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:59:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:59:05,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:05,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:05,717 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:05,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-11-24 22:59:05,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-24 22:59:05,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:05 ImpRootNode [2023-11-24 22:59:05,766 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:05,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:05,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:05,768 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:05,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:05" (3/4) ... [2023-11-24 22:59:05,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:05,772 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:05,773 INFO L158 Benchmark]: Toolchain (without parser) took 2615.37ms. Allocated memory is still 159.4MB. Free memory was 125.9MB in the beginning and 79.5MB in the end (delta: 46.4MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,773 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:05,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1505.04ms. Allocated memory is still 159.4MB. Free memory was 125.4MB in the beginning and 118.7MB in the end (delta: 6.7MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.40ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 115.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,777 INFO L158 Benchmark]: Boogie Preprocessor took 40.05ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 113.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,779 INFO L158 Benchmark]: RCFGBuilder took 491.06ms. Allocated memory is still 159.4MB. Free memory was 113.8MB in the beginning and 99.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,780 INFO L158 Benchmark]: CodeCheck took 460.82ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 80.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:05,782 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 159.4MB. Free memory was 80.2MB in the beginning and 79.5MB in the end (delta: 755.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:05,786 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: 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 1567. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] EXPR \read(data) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1505.04ms. Allocated memory is still 159.4MB. Free memory was 125.4MB in the beginning and 118.7MB in the end (delta: 6.7MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.40ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 115.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.05ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 113.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.06ms. Allocated memory is still 159.4MB. Free memory was 113.8MB in the beginning and 99.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 460.82ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 80.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 159.4MB. Free memory was 80.2MB in the beginning and 79.5MB in the end (delta: 755.6kB). 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~post98 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 [2023-11-24 22:59:05,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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 6d514edb8a4a3f01febfd738a51110b9cf5616542da79e0d3dd4314e01a864bd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:08,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:08,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:59:08,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:08,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:08,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:08,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:08,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:08,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:08,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:08,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:08,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:08,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:08,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:08,711 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:59:08,712 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:59:08,712 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:59:08,713 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:59:08,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:08,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:08,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:08,715 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:08,716 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:08,716 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:08,717 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:08,717 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:08,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:08,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:08,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:08,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:08,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:08,721 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:59:08,721 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:08,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:08,722 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:59:08,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:08,722 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_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d514edb8a4a3f01febfd738a51110b9cf5616542da79e0d3dd4314e01a864bd [2023-11-24 22:59:09,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:09,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:09,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:09,164 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:09,165 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:09,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_bad.i [2023-11-24 22:59:12,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:12,837 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:12,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_bad.i [2023-11-24 22:59:12,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/data/70da292f9/ba7b184b37484c9a9c9ace4f04649ec2/FLAG2bee9bb41 [2023-11-24 22:59:12,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/data/70da292f9/ba7b184b37484c9a9c9ace4f04649ec2 [2023-11-24 22:59:12,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:12,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:12,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:12,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:12,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:12,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a43e5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12, skipping insertion in model container [2023-11-24 22:59:12,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,979 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:14,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:14,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:14,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:14,398 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:14,398 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:14,398 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:14,398 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:14,399 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:14,406 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:14,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14 WrapperNode [2023-11-24 22:59:14,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:14,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:14,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:14,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:14,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,482 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 55 [2023-11-24 22:59:14,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:14,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:14,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:14,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:14,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:14,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:14,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:14,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:14,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:14,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:14,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:14,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:59:14,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:59:14,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:59:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:59:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:59:14,658 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:59:14,879 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:14,881 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:15,123 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:15,170 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:15,170 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:59:15,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:15 BoogieIcfgContainer [2023-11-24 22:59:15,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:15,173 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:15,173 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:15,183 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:15,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:15" (1/1) ... [2023-11-24 22:59:15,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:59:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:59:15,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:59:15,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:15,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:15,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:15,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:15,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:59:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:15,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:15,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:15,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:59:15,830 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:15,872 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:59:15,873 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-24 22:59:15,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:15 ImpRootNode [2023-11-24 22:59:15,878 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:15,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:15,880 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:15,881 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:15,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:15" (3/4) ... [2023-11-24 22:59:15,883 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:15,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:15,886 INFO L158 Benchmark]: Toolchain (without parser) took 2991.11ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 43.4MB in the end (delta: 28.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,886 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:15,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1511.58ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 48.4MB in the end (delta: 23.1MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.74ms. Allocated memory is still 100.7MB. Free memory was 48.4MB in the beginning and 45.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,889 INFO L158 Benchmark]: Boogie Preprocessor took 67.63ms. Allocated memory is still 100.7MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,890 INFO L158 Benchmark]: RCFGBuilder took 620.91ms. Allocated memory is still 100.7MB. Free memory was 43.1MB in the beginning and 61.5MB in the end (delta: -18.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,891 INFO L158 Benchmark]: CodeCheck took 705.76ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 43.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,891 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 100.7MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:15,901 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] EXPR \read(data) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 71.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1511.58ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 48.4MB in the end (delta: 23.1MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.74ms. Allocated memory is still 100.7MB. Free memory was 48.4MB in the beginning and 45.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.63ms. Allocated memory is still 100.7MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.91ms. Allocated memory is still 100.7MB. Free memory was 43.1MB in the beginning and 61.5MB in the end (delta: -18.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * CodeCheck took 705.76ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 43.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 100.7MB. Free memory is still 43.4MB. 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~post96 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 [2023-11-24 22:59:15,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0452c4f6-d983-43bc-b888-49d6d4c7f9d7/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