./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk --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 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:48:47,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:48:47,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:48:47,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:48:47,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:48:47,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:48:47,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:48:47,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:48:47,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:48:47,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:48:47,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:48:47,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:48:47,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:48:47,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:48:47,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:48:47,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:48:47,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:48:47,416 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:48:47,416 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:48:47,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:48:47,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:48:47,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:48:47,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:48:47,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:48:47,421 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:48:47,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:48:47,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:47,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:48:47,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:48:47,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:48:47,423 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:48:47,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:48:47,423 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_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f [2024-11-09 00:48:47,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:48:47,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:48:47,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:48:47,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:48:47,716 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:48:47,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i Unable to find full path for "g++" [2024-11-09 00:48:49,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:48:49,993 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:48:49,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-11-09 00:48:50,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/data/4bc3d22ee/2392cece87fb427f899f1597cc05592d/FLAG4e9ade2b3 [2024-11-09 00:48:50,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/data/4bc3d22ee/2392cece87fb427f899f1597cc05592d [2024-11-09 00:48:50,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:48:50,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:48:50,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:50,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:48:50,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:48:50,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:50" (1/1) ... [2024-11-09 00:48:50,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acfd0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:50, skipping insertion in model container [2024-11-09 00:48:50,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:50" (1/1) ... [2024-11-09 00:48:50,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:48:51,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:51,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:48:51,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:51,463 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:48:51,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51 WrapperNode [2024-11-09 00:48:51,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:51,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:51,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:48:51,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:48:51,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,518 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-09 00:48:51,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:51,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:48:51,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:48:51,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:48:51,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:48:51,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:48:51,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:48:51,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:48:51,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:51" (1/1) ... [2024-11-09 00:48:51,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:51,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:48:51,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:48:51,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:48:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:48:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:48:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:48:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:48:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:48:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:48:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:48:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:48:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:48:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:48:51,826 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:48:51,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:48:51,976 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 00:48:51,976 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:48:52,043 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:48:52,047 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:48:52,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:52 BoogieIcfgContainer [2024-11-09 00:48:52,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:48:52,049 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:48:52,049 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:48:52,060 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:48:52,061 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:52" (1/1) ... [2024-11-09 00:48:52,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:48:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:48:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:48:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:48:52,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:52,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:52,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:48:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:52,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:48:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:52,588 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:48:52,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:48:52 ImpRootNode [2024-11-09 00:48:52,616 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:48:52,616 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:48:52,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:48:52,617 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:48:52,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:52" (3/4) ... [2024-11-09 00:48:52,622 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:48:52,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:48:52,625 INFO L158 Benchmark]: Toolchain (without parser) took 2568.52ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 99.6MB in the end (delta: 4.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-09 00:48:52,626 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:48:52,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1405.60ms. Allocated memory is still 155.2MB. Free memory was 104.1MB in the beginning and 89.0MB in the end (delta: 15.1MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-11-09 00:48:52,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.78ms. Allocated memory is still 155.2MB. Free memory was 88.5MB in the beginning and 85.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:48:52,628 INFO L158 Benchmark]: Boogie Preprocessor took 30.82ms. Allocated memory is still 155.2MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:48:52,629 INFO L158 Benchmark]: RCFGBuilder took 497.44ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 68.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:48:52,630 INFO L158 Benchmark]: CodeCheck took 567.10ms. Allocated memory is still 155.2MB. Free memory was 68.0MB in the beginning and 99.6MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:48:52,630 INFO L158 Benchmark]: Witness Printer took 7.72ms. Allocated memory is still 155.2MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:48:52,633 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET 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] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={24390:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.29ms. Allocated memory is still 119.5MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1405.60ms. Allocated memory is still 155.2MB. Free memory was 104.1MB in the beginning and 89.0MB in the end (delta: 15.1MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.78ms. Allocated memory is still 155.2MB. Free memory was 88.5MB in the beginning and 85.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.82ms. Allocated memory is still 155.2MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 497.44ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 68.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 567.10ms. Allocated memory is still 155.2MB. Free memory was 68.0MB in the beginning and 99.6MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.72ms. Allocated memory is still 155.2MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:48:52,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/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_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk --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 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:48:55,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:48:55,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:48:55,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:48:55,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:48:55,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:48:55,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:48:55,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:48:55,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:48:55,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:48:55,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:48:55,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:48:55,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:48:55,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:48:55,190 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:48:55,190 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:48:55,191 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:48:55,191 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:48:55,192 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:48:55,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:48:55,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:48:55,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:48:55,194 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:48:55,194 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:48:55,195 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:48:55,195 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:55,196 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:48:55,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:48:55,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:55,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:48:55,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:48:55,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:48:55,198 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:48:55,199 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:55,199 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:48:55,199 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_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f [2024-11-09 00:48:55,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:48:55,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:48:55,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:48:55,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:48:55,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:48:55,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i Unable to find full path for "g++" [2024-11-09 00:48:57,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:48:57,962 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:48:57,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2024-11-09 00:48:58,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/data/27e957849/1b248a0f352943258d46b44c9c3e6713/FLAG121ba59f8 [2024-11-09 00:48:58,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/data/27e957849/1b248a0f352943258d46b44c9c3e6713 [2024-11-09 00:48:58,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:48:58,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:48:58,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:58,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:48:58,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:48:58,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:58" (1/1) ... [2024-11-09 00:48:58,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7344a876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:58, skipping insertion in model container [2024-11-09 00:48:58,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:58" (1/1) ... [2024-11-09 00:48:58,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:48:59,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:59,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:48:59,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:59,558 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:48:59,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59 WrapperNode [2024-11-09 00:48:59,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:59,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:59,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:48:59,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:48:59,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,643 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-09 00:48:59,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:59,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:48:59,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:48:59,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:48:59,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:48:59,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:48:59,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:48:59,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:48:59,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:59" (1/1) ... [2024-11-09 00:48:59,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:59,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:48:59,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:48:59,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:48:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:48:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:48:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:48:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:48:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:48:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:48:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:48:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:48:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:48:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:48:59,955 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:48:59,957 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:49:00,215 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 00:49:00,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:49:00,282 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:49:00,283 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:49:00,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:00 BoogieIcfgContainer [2024-11-09 00:49:00,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:49:00,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:49:00,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:49:00,296 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:49:00,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:00" (1/1) ... [2024-11-09 00:49:00,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:49:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:49:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:49:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:49:00,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:00,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:00,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:00,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:00,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:49:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:00,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:00,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:01,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:49:01,074 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:49:01,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:49:01 ImpRootNode [2024-11-09 00:49:01,109 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:49:01,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:49:01,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:49:01,112 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:49:01,115 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:00" (3/4) ... [2024-11-09 00:49:01,118 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:49:01,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:49:01,121 INFO L158 Benchmark]: Toolchain (without parser) took 2967.21ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 48.2MB in the beginning and 46.4MB in the end (delta: 1.7MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2024-11-09 00:49:01,121 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:01,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1405.56ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 48.0MB in the beginning and 61.7MB in the end (delta: -13.7MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-11-09 00:49:01,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.46ms. Allocated memory is still 109.1MB. Free memory was 61.7MB in the beginning and 58.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:49:01,123 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 109.1MB. Free memory was 58.5MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:01,125 INFO L158 Benchmark]: RCFGBuilder took 604.30ms. Allocated memory is still 109.1MB. Free memory was 56.4MB in the beginning and 70.4MB in the end (delta: -14.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-09 00:49:01,126 INFO L158 Benchmark]: CodeCheck took 823.96ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 46.6MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:01,127 INFO L158 Benchmark]: Witness Printer took 8.10ms. Allocated memory is still 109.1MB. Free memory was 46.6MB in the beginning and 46.4MB in the end (delta: 192.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:01,135 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 9 NumberOfCodeBlocks, 9 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET 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] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.51ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1405.56ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 48.0MB in the beginning and 61.7MB in the end (delta: -13.7MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.46ms. Allocated memory is still 109.1MB. Free memory was 61.7MB in the beginning and 58.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 109.1MB. Free memory was 58.5MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 604.30ms. Allocated memory is still 109.1MB. Free memory was 56.4MB in the beginning and 70.4MB in the end (delta: -14.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * CodeCheck took 823.96ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 46.6MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 8.10ms. Allocated memory is still 109.1MB. Free memory was 46.6MB in the beginning and 46.4MB in the end (delta: 192.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:49:01,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03478b31-9926-4363-99f3-7ef2763f2d04/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample