./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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 8ed9c85949a16856c9f15031fec24cb827e576ae518a401576d428e5f7d6073b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:43:46,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:43:46,175 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:43:46,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:43:46,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:43:46,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:43:46,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:43:46,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:43:46,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:43:46,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:43:46,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:43:46,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:43:46,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:43:46,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:43:46,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:43:46,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:43:46,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:43:46,225 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:43:46,225 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:43:46,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:43:46,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:43:46,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:43:46,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:43:46,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:43:46,233 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:43:46,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:43:46,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:43:46,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:43:46,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:43:46,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:43:46,235 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:43:46,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:43:46,236 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_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ed9c85949a16856c9f15031fec24cb827e576ae518a401576d428e5f7d6073b [2024-11-09 00:43:46,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:43:46,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:43:46,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:43:46,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:43:46,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:43:46,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_08_bad.i Unable to find full path for "g++" [2024-11-09 00:43:48,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:43:49,036 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:43:49,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_08_bad.i [2024-11-09 00:43:49,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/data/b3bc54420/b316f38827dc4ddaa0824f1751f04877/FLAG53bdfad1e [2024-11-09 00:43:49,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/data/b3bc54420/b316f38827dc4ddaa0824f1751f04877 [2024-11-09 00:43:49,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:43:49,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:43:49,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:49,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:43:49,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:43:49,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:49" (1/1) ... [2024-11-09 00:43:49,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be40f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:49, skipping insertion in model container [2024-11-09 00:43:49,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:49" (1/1) ... [2024-11-09 00:43:49,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:43:50,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:50,306 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:43:50,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:50,684 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:43:50,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50 WrapperNode [2024-11-09 00:43:50,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:50,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:50,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:43:50,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:43:50,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,758 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-09 00:43:50,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:50,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:43:50,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:43:50,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:43:50,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:43:50,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:43:50,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:43:50,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:43:50,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:50" (1/1) ... [2024-11-09 00:43:50,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:43:50,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:43:50,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:43:50,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:43:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:43:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:43:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:43:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:43:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:43:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-09 00:43:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-09 00:43:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:43:51,045 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:43:51,048 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:43:51,222 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:43:51,222 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:43:51,287 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:43:51,287 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:43:51,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:51 BoogieIcfgContainer [2024-11-09 00:43:51,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:43:51,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:43:51,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:43:51,302 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:43:51,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:51" (1/1) ... [2024-11-09 00:43:51,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-09 00:43:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-09 00:43:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:43:51,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:51,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:43:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-09 00:43:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-09 00:43:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:43:51,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:51,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:43:52,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:43:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:43:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:43:52,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:43:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:43:52,239 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:43:52,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:43:52 ImpRootNode [2024-11-09 00:43:52,284 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:43:52,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:43:52,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:43:52,285 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:43:52,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:51" (3/4) ... [2024-11-09 00:43:52,289 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:43:52,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:43:52,291 INFO L158 Benchmark]: Toolchain (without parser) took 3204.01ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 96.0MB in the beginning and 99.2MB in the end (delta: -3.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2024-11-09 00:43:52,292 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:43:52,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1597.48ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 96.0MB in the beginning and 154.8MB in the end (delta: -58.8MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2024-11-09 00:43:52,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.57ms. Allocated memory is still 205.5MB. Free memory was 154.8MB in the beginning and 151.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:43:52,294 INFO L158 Benchmark]: Boogie Preprocessor took 31.57ms. Allocated memory is still 205.5MB. Free memory was 151.6MB in the beginning and 149.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:43:52,295 INFO L158 Benchmark]: RCFGBuilder took 496.17ms. Allocated memory is still 205.5MB. Free memory was 149.5MB in the beginning and 133.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:43:52,295 INFO L158 Benchmark]: CodeCheck took 995.30ms. Allocated memory is still 205.5MB. Free memory was 133.8MB in the beginning and 100.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 00:43:52,296 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 205.5MB. Free memory was 100.3MB in the beginning and 99.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:43:52,299 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 3 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 22 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 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, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566, overapproximation of large string literal at line 1586, overapproximation of fgets at line 1564. 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); [L1586] 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) [L1586] 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] [L1587] CALL CWE191_Integer_Underflow__int_fgets_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] data = atoi(inputBuffer) [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1574] RET staticReturnsTrue() 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] [L1574] COND TRUE staticReturnsTrue() [L1576] 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] [L1578] 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 0.35ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1597.48ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 96.0MB in the beginning and 154.8MB in the end (delta: -58.8MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.57ms. Allocated memory is still 205.5MB. Free memory was 154.8MB in the beginning and 151.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.57ms. Allocated memory is still 205.5MB. Free memory was 151.6MB in the beginning and 149.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.17ms. Allocated memory is still 205.5MB. Free memory was 149.5MB in the beginning and 133.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 995.30ms. Allocated memory is still 205.5MB. Free memory was 133.8MB in the beginning and 100.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 205.5MB. Free memory was 100.3MB in the beginning and 99.2MB in the end (delta: 1.0MB). 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 00:43:52,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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 8ed9c85949a16856c9f15031fec24cb827e576ae518a401576d428e5f7d6073b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:43:54,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:43:55,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:43:55,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:43:55,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:43:55,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:43:55,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:43:55,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:43:55,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:43:55,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:43:55,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:43:55,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:43:55,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:43:55,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:43:55,127 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:43:55,127 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:43:55,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:43:55,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:43:55,128 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:43:55,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:43:55,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:43:55,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:43:55,130 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:43:55,134 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:43:55,134 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:43:55,135 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:55,135 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:43:55,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:43:55,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:43:55,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:43:55,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:43:55,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:43:55,137 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:43:55,137 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:55,137 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:43:55,137 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_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ed9c85949a16856c9f15031fec24cb827e576ae518a401576d428e5f7d6073b [2024-11-09 00:43:55,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:43:55,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:43:55,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:43:55,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:43:55,589 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:43:55,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_08_bad.i Unable to find full path for "g++" [2024-11-09 00:43:57,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:43:58,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:43:58,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_08_bad.i [2024-11-09 00:43:58,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/data/526fef9d3/94eb4cf05aac4bbd837ee70f601d417c/FLAG057685902 [2024-11-09 00:43:58,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/data/526fef9d3/94eb4cf05aac4bbd837ee70f601d417c [2024-11-09 00:43:58,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:43:58,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:43:58,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:58,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:43:58,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:43:58,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:58" (1/1) ... [2024-11-09 00:43:58,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3563fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:58, skipping insertion in model container [2024-11-09 00:43:58,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:58" (1/1) ... [2024-11-09 00:43:58,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:43:59,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:59,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:43:59,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:59,607 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:43:59,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59 WrapperNode [2024-11-09 00:43:59,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:59,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:59,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:43:59,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:43:59,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,701 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-09 00:43:59,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:59,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:43:59,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:43:59,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:43:59,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:43:59,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:43:59,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:43:59,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:43:59,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:59" (1/1) ... [2024-11-09 00:43:59,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:43:59,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:43:59,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:43:59,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:43:59,844 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:43:59,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:43:59,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:43:59,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:43:59,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:43:59,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:43:59,845 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-09 00:43:59,845 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-09 00:44:00,009 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:44:00,011 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:44:00,222 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:44:00,223 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:44:00,284 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:44:00,285 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:44:00,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:00 BoogieIcfgContainer [2024-11-09 00:44:00,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:44:00,286 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:44:00,286 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:44:00,297 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:44:00,297 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:00" (1/1) ... [2024-11-09 00:44:00,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:44:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-09 00:44:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-09 00:44:00,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:44:00,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:00,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:00,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:44:00,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:44:00,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:44:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:00,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:44:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:00,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:44:00,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:44:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:44:00,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:44:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-09 00:44:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-09 00:44:00,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:44:00,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:00,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:00,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:44:00,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:44:00,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:44:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:01,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:44:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:01,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:44:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:44:01,280 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:44:01,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:44:01,287 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:44:01,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:44:01 ImpRootNode [2024-11-09 00:44:01,335 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:44:01,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:44:01,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:44:01,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:44:01,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:00" (3/4) ... [2024-11-09 00:44:01,339 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:44:01,340 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:44:01,341 INFO L158 Benchmark]: Toolchain (without parser) took 3184.81ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 51.8MB in the beginning and 64.0MB in the end (delta: -12.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-09 00:44:01,341 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:44:01,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1451.17ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 51.8MB in the beginning and 57.6MB in the end (delta: -5.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-09 00:44:01,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.58ms. Allocated memory is still 109.1MB. Free memory was 57.6MB in the beginning and 54.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:44:01,344 INFO L158 Benchmark]: Boogie Preprocessor took 42.09ms. Allocated memory is still 109.1MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:44:01,344 INFO L158 Benchmark]: RCFGBuilder took 540.25ms. Allocated memory is still 109.1MB. Free memory was 52.3MB in the beginning and 64.6MB in the end (delta: -12.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-09 00:44:01,345 INFO L158 Benchmark]: CodeCheck took 1049.35ms. Allocated memory is still 109.1MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: -4.8kB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-11-09 00:44:01,346 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 109.1MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:44:01,350 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 3 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 21 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566, overapproximation of large string literal at line 1586, overapproximation of fgets at line 1564. 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); [L1586] 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) [L1586] 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] [L1587] CALL CWE191_Integer_Underflow__int_fgets_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] data = atoi(inputBuffer) [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1574] RET staticReturnsTrue() 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] [L1574] COND TRUE staticReturnsTrue() [L1576] 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] [L1578] 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 0.35ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1451.17ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 51.8MB in the beginning and 57.6MB in the end (delta: -5.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.58ms. Allocated memory is still 109.1MB. Free memory was 57.6MB in the beginning and 54.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.09ms. Allocated memory is still 109.1MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.25ms. Allocated memory is still 109.1MB. Free memory was 52.3MB in the beginning and 64.6MB in the end (delta: -12.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * CodeCheck took 1049.35ms. Allocated memory is still 109.1MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: -4.8kB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 109.1MB. Free memory is still 64.0MB. 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 00:44:01,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541b0b46-3f95-4cac-bd25-10c08ef2e7ff/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample