./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_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_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:39:54,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:39:54,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:39:54,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:39:54,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:39:54,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:39:54,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:39:54,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:39:54,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:39:54,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:39:54,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:39:54,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:39:54,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:39:54,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:39:54,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:39:54,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:39:54,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:39:54,891 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:39:54,892 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:39:54,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:39:54,893 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:39:54,895 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:39:54,896 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:39:54,896 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:39:54,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:39:54,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:39:54,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:39:54,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:39:54,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:39:54,899 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:39:54,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:39:54,900 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:39:54,900 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_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 [2023-12-03 04:39:55,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:39:55,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:39:55,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:39:55,161 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:39:55,162 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:39:55,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2023-12-03 04:39:58,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:39:58,879 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:39:58,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2023-12-03 04:39:58,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/data/ebb97c062/fcee694600454ee1a64b7033d745421b/FLAG7b6608edc [2023-12-03 04:39:58,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/data/ebb97c062/fcee694600454ee1a64b7033d745421b [2023-12-03 04:39:58,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:39:58,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:39:58,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:39:58,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:39:58,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:39:58,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:58" (1/1) ... [2023-12-03 04:39:58,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9e0d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:58, skipping insertion in model container [2023-12-03 04:39:58,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:58" (1/1) ... [2023-12-03 04:39:59,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:39:59,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:39:59,858 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:39:59,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:40:00,086 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:40:00,086 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:40:00,086 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:40:00,087 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:40:00,096 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:40:00,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00 WrapperNode [2023-12-03 04:40:00,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:40:00,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:40:00,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:40:00,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:40:00,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,164 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-12-03 04:40:00,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:40:00,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:40:00,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:40:00,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:40:00,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:40:00,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:40:00,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:40:00,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:40:00,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:40:00,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:40:00,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:40:00,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:40:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:40:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:40:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:40:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:40:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:40:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:40:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:40:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:40:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:40:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:40:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:40:00,456 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:40:00,459 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:40:00,597 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:40:00,656 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:40:00,656 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:40:00,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:40:00 BoogieIcfgContainer [2023-12-03 04:40:00,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:40:00,660 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:40:00,660 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:40:00,672 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:40:00,672 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:40:00" (1/1) ... [2023-12-03 04:40:00,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:40:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 04:40:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 04:40:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:00,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:00,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:00,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:40:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:01,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:40:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:01,102 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:40:01,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-03 04:40:01,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 04:40:01,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 04:40:01,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:40:01 ImpRootNode [2023-12-03 04:40:01,136 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:40:01,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:40:01,137 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:40:01,137 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:40:01,138 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:40:00" (3/4) ... [2023-12-03 04:40:01,141 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:40:01,142 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:40:01,143 INFO L158 Benchmark]: Toolchain (without parser) took 2217.41ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 72.5MB in the end (delta: 7.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-12-03 04:40:01,144 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:40:01,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1170.11ms. Allocated memory is still 136.3MB. Free memory was 79.9MB in the beginning and 59.7MB in the end (delta: 20.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 04:40:01,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.48ms. Allocated memory is still 136.3MB. Free memory was 59.7MB in the beginning and 56.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:40:01,146 INFO L158 Benchmark]: Boogie Preprocessor took 29.47ms. Allocated memory is still 136.3MB. Free memory was 56.9MB in the beginning and 55.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:40:01,147 INFO L158 Benchmark]: RCFGBuilder took 463.41ms. Allocated memory is still 136.3MB. Free memory was 55.5MB in the beginning and 92.1MB in the end (delta: -36.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-12-03 04:40:01,147 INFO L158 Benchmark]: CodeCheck took 476.51ms. Allocated memory is still 136.3MB. Free memory was 92.1MB in the beginning and 72.5MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:40:01,148 INFO L158 Benchmark]: Witness Printer took 5.19ms. Allocated memory is still 136.3MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:40:01,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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)=14, argc=14, argv={13:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={32287:0}, 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 0.19ms. Allocated memory is still 96.5MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1170.11ms. Allocated memory is still 136.3MB. Free memory was 79.9MB in the beginning and 59.7MB in the end (delta: 20.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.48ms. Allocated memory is still 136.3MB. Free memory was 59.7MB in the beginning and 56.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.47ms. Allocated memory is still 136.3MB. Free memory was 56.9MB in the beginning and 55.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.41ms. Allocated memory is still 136.3MB. Free memory was 55.5MB in the beginning and 92.1MB in the end (delta: -36.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * CodeCheck took 476.51ms. Allocated memory is still 136.3MB. Free memory was 92.1MB in the beginning and 72.5MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.19ms. Allocated memory is still 136.3MB. Free memory was 72.5MB in the beginning and 72.5MB 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~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:40:01,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:40:03,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:40:03,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:40:03,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:40:03,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:40:03,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:40:03,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:40:03,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:40:03,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:40:03,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:40:03,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:40:03,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:40:03,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:40:03,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:40:03,499 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:40:03,500 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:40:03,500 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:40:03,501 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:40:03,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:40:03,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:40:03,503 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:40:03,504 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:40:03,504 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:40:03,505 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:40:03,506 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:03,506 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:40:03,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:40:03,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:40:03,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:40:03,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:40:03,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:40:03,509 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:40:03,510 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:03,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:40:03,510 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:40:03,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:40:03,511 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_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 [2023-12-03 04:40:03,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:40:03,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:40:03,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:40:03,908 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:40:03,909 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:40:03,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2023-12-03 04:40:07,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:40:07,621 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:40:07,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2023-12-03 04:40:07,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/data/b95f1d5fa/9cfb3ce9a3564c2d925782039edfc59c/FLAGc87abf50e [2023-12-03 04:40:07,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/data/b95f1d5fa/9cfb3ce9a3564c2d925782039edfc59c [2023-12-03 04:40:07,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:40:07,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:40:07,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:40:07,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:40:07,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:40:07,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:40:07" (1/1) ... [2023-12-03 04:40:07,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3223fce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:07, skipping insertion in model container [2023-12-03 04:40:07,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:40:07" (1/1) ... [2023-12-03 04:40:07,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:40:08,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:40:08,662 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:40:08,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:40:08,922 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:40:08,923 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:40:08,923 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:40:08,923 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:40:08,933 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:40:08,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08 WrapperNode [2023-12-03 04:40:08,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:40:08,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:40:08,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:40:08,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:40:08,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:08,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,006 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-12-03 04:40:09,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:40:09,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:40:09,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:40:09,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:40:09,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:40:09,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:40:09,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:40:09,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:40:09,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:08" (1/1) ... [2023-12-03 04:40:09,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:40:09,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:40:09,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:40:09,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:40:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:40:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:40:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:40:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:40:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:40:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:40:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:40:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:40:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:40:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:40:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:40:09,328 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:40:09,331 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:40:09,492 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:40:09,552 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:40:09,553 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:40:09,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:40:09 BoogieIcfgContainer [2023-12-03 04:40:09,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:40:09,556 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:40:09,556 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:40:09,565 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:40:09,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:40:09" (1/1) ... [2023-12-03 04:40:09,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:40:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 04:40:09,630 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 04:40:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:09,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:09,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:09,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:09,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:09,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:40:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:09,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:40:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:10,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:40:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:40:10,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:40:10,143 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:40:10,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 04:40:10,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 04:40:10,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 04:40:10,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:40:10 ImpRootNode [2023-12-03 04:40:10,174 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:40:10,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:40:10,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:40:10,175 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:40:10,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:40:09" (3/4) ... [2023-12-03 04:40:10,179 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:40:10,180 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:40:10,181 INFO L158 Benchmark]: Toolchain (without parser) took 2513.19ms. Allocated memory is still 111.1MB. Free memory was 83.2MB in the beginning and 47.3MB in the end (delta: 35.9MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-12-03 04:40:10,181 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:40:10,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1266.52ms. Allocated memory is still 111.1MB. Free memory was 83.2MB in the beginning and 42.1MB in the end (delta: 41.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-12-03 04:40:10,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.84ms. Allocated memory is still 111.1MB. Free memory was 41.5MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:40:10,184 INFO L158 Benchmark]: Boogie Preprocessor took 52.66ms. Allocated memory is still 111.1MB. Free memory was 38.7MB in the beginning and 83.7MB in the end (delta: -45.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:40:10,184 INFO L158 Benchmark]: RCFGBuilder took 494.84ms. Allocated memory is still 111.1MB. Free memory was 83.7MB in the beginning and 66.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:40:10,185 INFO L158 Benchmark]: CodeCheck took 617.99ms. Allocated memory is still 111.1MB. Free memory was 66.3MB in the beginning and 47.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:40:10,186 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 111.1MB. Free memory was 47.9MB in the beginning and 47.3MB in the end (delta: 565.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:40:10,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) [L1559] 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] [L1559] --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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1266.52ms. Allocated memory is still 111.1MB. Free memory was 83.2MB in the beginning and 42.1MB in the end (delta: 41.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.84ms. Allocated memory is still 111.1MB. Free memory was 41.5MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.66ms. Allocated memory is still 111.1MB. Free memory was 38.7MB in the beginning and 83.7MB in the end (delta: -45.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 494.84ms. Allocated memory is still 111.1MB. Free memory was 83.7MB in the beginning and 66.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 617.99ms. Allocated memory is still 111.1MB. Free memory was 66.3MB in the beginning and 47.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 111.1MB. Free memory was 47.9MB in the beginning and 47.3MB in the end (delta: 565.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:40:10,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b509c0-f763-412d-9489-40cfb55a7fe0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample