./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_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_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:48,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:48,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:11:48,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:48,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:48,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:48,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:48,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:48,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:48,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:48,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:48,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:48,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:48,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:48,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:48,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:48,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:48,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:48,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:48,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:48,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:48,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:48,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:48,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:48,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:48,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:48,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:48,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:48,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:48,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:48,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:48,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:48,914 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_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d [2023-11-24 22:11:49,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:49,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:49,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:49,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:49,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:49,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i [2023-11-24 22:11:52,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:52,861 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:52,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i [2023-11-24 22:11:52,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/data/0c42da3ad/055b39b2585b4b5daceae15c0db04eda/FLAGca33f9c6e [2023-11-24 22:11:52,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/data/0c42da3ad/055b39b2585b4b5daceae15c0db04eda [2023-11-24 22:11:52,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:52,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:52,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:52,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:52,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:52,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:52" (1/1) ... [2023-11-24 22:11:52,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba70419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:52, skipping insertion in model container [2023-11-24 22:11:52,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:52" (1/1) ... [2023-11-24 22:11:53,022 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:54,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:54,094 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:54,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:54,385 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:54,385 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:54,386 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:54,386 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:54,396 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:54,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54 WrapperNode [2023-11-24 22:11:54,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:54,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:54,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:54,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:54,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,487 INFO L138 Inliner]: procedures = 498, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-24 22:11:54,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:54,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:54,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:54,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:54,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:54,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:54,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:54,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:54,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:54" (1/1) ... [2023-11-24 22:11:54,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:54,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:54,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:54,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:11:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:11:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:11:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:54,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:11:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:11:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:54,772 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:54,775 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:54,957 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:55,002 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:55,003 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:11:55,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:55 BoogieIcfgContainer [2023-11-24 22:11:55,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:55,005 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:55,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:55,016 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:55,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:11:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:11:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:11:55,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:55,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:55,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:55,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:55,530 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:11:55,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-11-24 22:11:55,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:11:55,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-24 22:11:55,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-24 22:11:55,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:55 ImpRootNode [2023-11-24 22:11:55,567 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:55,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:55,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:55,569 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:55,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:55" (3/4) ... [2023-11-24 22:11:55,574 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:11:55,575 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:55,577 INFO L158 Benchmark]: Toolchain (without parser) took 2664.20ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 105.8MB in the beginning and 83.4MB in the end (delta: 22.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-24 22:11:55,577 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:55,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1483.84ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 105.3MB in the beginning and 122.1MB in the end (delta: -16.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 22:11:55,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.50ms. Allocated memory is still 169.9MB. Free memory was 122.1MB in the beginning and 120.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:55,580 INFO L158 Benchmark]: Boogie Preprocessor took 32.40ms. Allocated memory is still 169.9MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:55,581 INFO L158 Benchmark]: RCFGBuilder took 482.92ms. Allocated memory is still 169.9MB. Free memory was 117.9MB in the beginning and 102.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:11:55,582 INFO L158 Benchmark]: CodeCheck took 561.45ms. Allocated memory is still 169.9MB. Free memory was 102.3MB in the beginning and 83.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:11:55,583 INFO L158 Benchmark]: Witness Printer took 6.44ms. Allocated memory is still 169.9MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:55,593 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_02_bad() [L1550] int data; [L1551] data = 0 [L1558] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={10452:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 [L1560] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={10452:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={10452:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1483.84ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 105.3MB in the beginning and 122.1MB in the end (delta: -16.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.50ms. Allocated memory is still 169.9MB. Free memory was 122.1MB in the beginning and 120.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.40ms. Allocated memory is still 169.9MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.92ms. Allocated memory is still 169.9MB. Free memory was 117.9MB in the beginning and 102.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 561.45ms. Allocated memory is still 169.9MB. Free memory was 102.3MB in the beginning and 83.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.44ms. Allocated memory is still 169.9MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 2.6kB). 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~nondet103 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 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 22:11:55,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:58,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:58,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:11:58,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:58,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:58,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:58,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:58,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:58,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:58,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:58,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:58,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:58,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:58,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:58,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:11:58,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:11:58,450 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:58,451 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:11:58,451 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:58,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:58,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:58,457 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:58,457 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:58,457 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:58,458 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:58,458 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:58,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:58,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:58,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:58,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:58,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:58,461 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:11:58,461 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:58,462 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:58,462 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:11:58,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:58,462 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_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d [2023-11-24 22:11:58,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:58,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:58,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:58,954 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:58,955 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:58,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i [2023-11-24 22:12:02,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:02,545 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:02,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i [2023-11-24 22:12:02,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/data/7e6db14ee/bc8d165fbf894437adf45447a7de33b8/FLAG5d4973a8d [2023-11-24 22:12:02,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/data/7e6db14ee/bc8d165fbf894437adf45447a7de33b8 [2023-11-24 22:12:02,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:02,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:02,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:02,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:02,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:02,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c649467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02, skipping insertion in model container [2023-11-24 22:12:02,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:03,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:03,776 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:03,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:04,056 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:04,056 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:04,057 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:04,057 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:04,065 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:04,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04 WrapperNode [2023-11-24 22:12:04,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:04,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:04,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:04,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:04,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,155 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-11-24 22:12:04,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:04,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:04,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:04,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:04,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:04,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:04,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:04,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:04,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:04,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:04,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:04,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:12:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:12:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:12:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:12:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:12:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:12:04,544 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:04,546 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:04,698 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:04,754 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:04,754 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:12:04,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:04 BoogieIcfgContainer [2023-11-24 22:12:04,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:04,757 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:04,757 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:04,767 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:04,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:04,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:12:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:12:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:12:04,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:04,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:04,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:04,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:04,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:12:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:05,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:05,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:05,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:12:05,416 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:12:05,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-11-24 22:12:05,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:12:05,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-24 22:12:05,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-24 22:12:05,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:05 ImpRootNode [2023-11-24 22:12:05,466 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:05,467 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:05,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:05,467 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:05,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:04" (3/4) ... [2023-11-24 22:12:05,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:12:05,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:05,472 INFO L158 Benchmark]: Toolchain (without parser) took 2863.02ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 52.3MB in the beginning and 73.6MB in the end (delta: -21.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:05,473 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 147.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:05,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1456.30ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 52.1MB in the beginning and 54.4MB in the end (delta: -2.3MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-24 22:12:05,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.79ms. Allocated memory is still 107.0MB. Free memory was 54.4MB in the beginning and 79.7MB in the end (delta: -25.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-24 22:12:05,475 INFO L158 Benchmark]: Boogie Preprocessor took 90.96ms. Allocated memory is still 107.0MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:05,476 INFO L158 Benchmark]: RCFGBuilder took 496.24ms. Allocated memory is still 107.0MB. Free memory was 78.2MB in the beginning and 60.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:12:05,477 INFO L158 Benchmark]: CodeCheck took 709.40ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 74.3MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:05,479 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 107.0MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:05,487 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, 15 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_02_bad() [L1550] int data; [L1551] data = 0 [L1558] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 [L1560] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 147.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1456.30ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 52.1MB in the beginning and 54.4MB in the end (delta: -2.3MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.79ms. Allocated memory is still 107.0MB. Free memory was 54.4MB in the beginning and 79.7MB in the end (delta: -25.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.96ms. Allocated memory is still 107.0MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 496.24ms. Allocated memory is still 107.0MB. Free memory was 78.2MB in the beginning and 60.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 709.40ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 74.3MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 107.0MB. Free memory is still 73.6MB. 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~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 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 22:12:05,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e1cf71a-3c7d-4bcc-bfdb-d15a777ef764/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