./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_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_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/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_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/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_ff15124f-04f2-41d0-b220-87d131cc0cbe/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 88575518a2e68294d424ec3ce80a1f2534c398b324c7b41c48d87c5b1025c3fd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:36,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:36,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:44:36,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:44:36,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:44:36,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:36,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:36,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:36,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:36,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:36,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:36,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:36,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:44:36,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:36,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:36,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:36,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:36,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:36,613 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:44:36,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:44:36,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:36,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:36,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:36,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:36,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:36,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:36,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:36,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:36,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:36,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:36,622 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:44:36,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:44:36,622 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_ff15124f-04f2-41d0-b220-87d131cc0cbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88575518a2e68294d424ec3ce80a1f2534c398b324c7b41c48d87c5b1025c3fd [2024-11-08 23:44:36,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:36,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:36,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:36,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:36,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:36,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i Unable to find full path for "g++" [2024-11-08 23:44:39,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:39,409 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:39,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i [2024-11-08 23:44:39,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/data/467c87466/057c44daec3a41e6a39af462549f1634/FLAG088092d44 [2024-11-08 23:44:39,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/data/467c87466/057c44daec3a41e6a39af462549f1634 [2024-11-08 23:44:39,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:39,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:39,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:39,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:39,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:39,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:39" (1/1) ... [2024-11-08 23:44:39,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74237c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:39, skipping insertion in model container [2024-11-08 23:44:39,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:39" (1/1) ... [2024-11-08 23:44:39,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:40,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:40,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:40,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:41,081 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:41,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41 WrapperNode [2024-11-08 23:44:41,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:41,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:41,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:41,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:41,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,165 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-08 23:44:41,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:41,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:41,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:41,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:41,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:41,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:41,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:41,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:41,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:41,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:41,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:41,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:44:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:44:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:41,497 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:41,499 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:41,667 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:41,667 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:41,753 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:41,754 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:44:41,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:41 BoogieIcfgContainer [2024-11-08 23:44:41,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:41,757 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:41,757 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:41,771 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:41,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:41" (1/1) ... [2024-11-08 23:44:41,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:44:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:44:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:44:41,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:41,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:41,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:42,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:42,103 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:44:42,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:44:42 ImpRootNode [2024-11-08 23:44:42,133 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:44:42,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:44:42,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:44:42,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:44:42,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:41" (3/4) ... [2024-11-08 23:44:42,139 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:44:42,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:44:42,142 INFO L158 Benchmark]: Toolchain (without parser) took 2513.16ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 87.0MB in the beginning and 82.5MB in the end (delta: 4.5MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-11-08 23:44:42,143 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:42,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1452.66ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 86.8MB in the beginning and 116.1MB in the end (delta: -29.2MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-11-08 23:44:42,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.38ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 113.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:42,145 INFO L158 Benchmark]: Boogie Preprocessor took 38.01ms. Allocated memory is still 176.2MB. Free memory was 113.3MB in the beginning and 111.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:42,146 INFO L158 Benchmark]: RCFGBuilder took 549.94ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 97.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:44:42,147 INFO L158 Benchmark]: CodeCheck took 376.27ms. Allocated memory is still 176.2MB. Free memory was 97.2MB in the beginning and 83.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:44:42,147 INFO L158 Benchmark]: Witness Printer took 6.42ms. Allocated memory is still 176.2MB. Free memory was 83.2MB in the beginning and 82.5MB in the end (delta: 691.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:42,151 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data - 1 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 0.34ms. Allocated memory is still 130.0MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1452.66ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 86.8MB in the beginning and 116.1MB in the end (delta: -29.2MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.38ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 113.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.01ms. Allocated memory is still 176.2MB. Free memory was 113.3MB in the beginning and 111.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.94ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 97.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 376.27ms. Allocated memory is still 176.2MB. Free memory was 97.2MB in the beginning and 83.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.42ms. Allocated memory is still 176.2MB. Free memory was 83.2MB in the beginning and 82.5MB in the end (delta: 691.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:44:42,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/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_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/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_ff15124f-04f2-41d0-b220-87d131cc0cbe/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 88575518a2e68294d424ec3ce80a1f2534c398b324c7b41c48d87c5b1025c3fd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:45,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:45,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:44:45,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:45,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:45,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:45,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:45,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:45,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:45,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:45,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:45,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:45,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:45,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:45,191 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:44:45,192 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:44:45,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:45,192 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:44:45,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:44:45,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:44:45,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:45,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:45,198 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:45,199 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:45,199 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:45,199 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:45,200 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:44:45,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:45,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:45,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:45,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:45,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:45,203 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:44:45,204 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:45,204 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:44:45,204 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_ff15124f-04f2-41d0-b220-87d131cc0cbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88575518a2e68294d424ec3ce80a1f2534c398b324c7b41c48d87c5b1025c3fd [2024-11-08 23:44:45,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:45,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:45,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:45,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:45,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:45,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i Unable to find full path for "g++" [2024-11-08 23:44:47,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:48,229 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:48,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_42_bad.i [2024-11-08 23:44:48,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/data/f6dd24ca6/9d38040d3d144516829474be646c56a5/FLAG0d744fbbb [2024-11-08 23:44:48,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/data/f6dd24ca6/9d38040d3d144516829474be646c56a5 [2024-11-08 23:44:48,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:48,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:48,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:48,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:48,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:48,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:48" (1/1) ... [2024-11-08 23:44:48,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c0a0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:48, skipping insertion in model container [2024-11-08 23:44:48,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:48" (1/1) ... [2024-11-08 23:44:48,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:49,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:49,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:49,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:50,055 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:50,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50 WrapperNode [2024-11-08 23:44:50,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:50,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:50,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:50,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:50,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,124 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 23:44:50,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:50,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:50,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:50,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:50,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:50,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:50,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:50,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:50,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:50,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:50,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:50,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:44:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:44:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:50,400 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:50,402 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:50,555 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:50,555 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:50,638 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:50,639 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:44:50,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:50 BoogieIcfgContainer [2024-11-08 23:44:50,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:50,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:50,641 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:50,653 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:50,654 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:50" (1/1) ... [2024-11-08 23:44:50,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:50,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:50,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:44:50,775 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:44:50,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:44:50,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:50,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:50,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:50,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:50,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:44:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:50,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:51,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:51,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:44:51,135 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:44:51,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:44:51 ImpRootNode [2024-11-08 23:44:51,173 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:44:51,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:44:51,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:44:51,175 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:44:51,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:50" (3/4) ... [2024-11-08 23:44:51,182 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:44:51,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:44:51,185 INFO L158 Benchmark]: Toolchain (without parser) took 2898.73ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 44.3MB in the beginning and 59.5MB in the end (delta: -15.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:51,185 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:51,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1768.79ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 44.3MB in the beginning and 60.1MB in the end (delta: -15.8MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-08 23:44:51,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.28ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 57.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:44:51,187 INFO L158 Benchmark]: Boogie Preprocessor took 29.40ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 55.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:51,188 INFO L158 Benchmark]: RCFGBuilder took 484.38ms. Allocated memory is still 100.7MB. Free memory was 55.5MB in the beginning and 39.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:44:51,188 INFO L158 Benchmark]: CodeCheck took 531.77ms. Allocated memory is still 100.7MB. Free memory was 39.2MB in the beginning and 60.1MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:51,189 INFO L158 Benchmark]: Witness Printer took 9.25ms. Allocated memory is still 100.7MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:51,193 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data - 1 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 0.49ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1768.79ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 44.3MB in the beginning and 60.1MB in the end (delta: -15.8MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.28ms. Allocated memory is still 100.7MB. Free memory was 60.1MB in the beginning and 57.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.40ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 55.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.38ms. Allocated memory is still 100.7MB. Free memory was 55.5MB in the beginning and 39.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 531.77ms. Allocated memory is still 100.7MB. Free memory was 39.2MB in the beginning and 60.1MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.25ms. Allocated memory is still 100.7MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:44:51,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff15124f-04f2-41d0-b220-87d131cc0cbe/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