./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_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_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:36:35,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:35,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:36:35,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:36:35,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:36:35,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:35,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:35,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:36:35,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:35,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:35,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:35,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:35,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:36:35,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:35,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:35,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:35,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:35,822 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:35,823 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:36:35,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:36:35,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:35,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:35,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:36:35,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:36:35,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:36:35,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:35,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:35,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:35,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:35,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:35,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:36:35,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:36:35,848 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_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d [2024-11-08 22:36:36,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:36,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:36,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:36,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:36,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:36,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i Unable to find full path for "g++" [2024-11-08 22:36:38,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:38,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:38,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2024-11-08 22:36:38,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/data/963144148/98627b53dddb4c30a9683dceff158938/FLAGc9c1fb002 [2024-11-08 22:36:38,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/data/963144148/98627b53dddb4c30a9683dceff158938 [2024-11-08 22:36:38,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:38,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:38,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:38,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:38,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:38,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:38" (1/1) ... [2024-11-08 22:36:38,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3391f6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:38, skipping insertion in model container [2024-11-08 22:36:38,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:38" (1/1) ... [2024-11-08 22:36:38,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:39,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:39,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:40,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:40,384 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:40,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40 WrapperNode [2024-11-08 22:36:40,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:40,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:40,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:40,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:40,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,476 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-08 22:36:40,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:40,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:40,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:40,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:40,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:40,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:40,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:40,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:40,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:40,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:36:40,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:36:40,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:36:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:36:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:36:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:40,802 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:40,805 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:40,924 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:40,924 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:40,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:40,971 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:36:40,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:40 BoogieIcfgContainer [2024-11-08 22:36:40,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:40,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:36:40,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:36:40,985 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:36:40,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:36:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:36:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:36:41,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:41,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:41,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:41,352 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:36:41,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:36:41 ImpRootNode [2024-11-08 22:36:41,380 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:36:41,381 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:36:41,382 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:36:41,383 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:36:41,383 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:40" (3/4) ... [2024-11-08 22:36:41,387 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:36:41,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:36:41,391 INFO L158 Benchmark]: Toolchain (without parser) took 2635.11ms. Allocated memory was 163.6MB in the beginning and 226.5MB in the end (delta: 62.9MB). Free memory was 115.1MB in the beginning and 149.3MB in the end (delta: -34.1MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-08 22:36:41,392 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 163.6MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:41,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1629.28ms. Allocated memory was 163.6MB in the beginning and 226.5MB in the end (delta: 62.9MB). Free memory was 114.6MB in the beginning and 182.9MB in the end (delta: -68.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2024-11-08 22:36:41,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.73ms. Allocated memory is still 226.5MB. Free memory was 181.8MB in the beginning and 179.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:41,396 INFO L158 Benchmark]: Boogie Preprocessor took 38.88ms. Allocated memory is still 226.5MB. Free memory was 179.7MB in the beginning and 178.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:41,397 INFO L158 Benchmark]: RCFGBuilder took 455.09ms. Allocated memory is still 226.5MB. Free memory was 178.6MB in the beginning and 163.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:36:41,398 INFO L158 Benchmark]: CodeCheck took 407.36ms. Allocated memory is still 226.5MB. Free memory was 163.9MB in the beginning and 149.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:36:41,399 INFO L158 Benchmark]: Witness Printer took 9.36ms. Allocated memory is still 226.5MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:41,402 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: 1557]: 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_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] --data 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 163.6MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1629.28ms. Allocated memory was 163.6MB in the beginning and 226.5MB in the end (delta: 62.9MB). Free memory was 114.6MB in the beginning and 182.9MB in the end (delta: -68.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.73ms. Allocated memory is still 226.5MB. Free memory was 181.8MB in the beginning and 179.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.88ms. Allocated memory is still 226.5MB. Free memory was 179.7MB in the beginning and 178.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 455.09ms. Allocated memory is still 226.5MB. Free memory was 178.6MB in the beginning and 163.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 407.36ms. Allocated memory is still 226.5MB. Free memory was 163.9MB in the beginning and 149.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 9.36ms. Allocated memory is still 226.5MB. Free memory is still 149.3MB. 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 22:36:41,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:36:44,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:44,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:36:44,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:44,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:44,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:36:44,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:44,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:44,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:44,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:44,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:44,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:44,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:44,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:44,235 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:36:44,235 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:36:44,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:44,236 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:36:44,239 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:36:44,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:36:44,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:44,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:44,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:36:44,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:36:44,245 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:36:44,245 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:44,245 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:36:44,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:44,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:44,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:44,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:44,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:44,247 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:36:44,247 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:44,248 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:36:44,248 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_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d [2024-11-08 22:36:44,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:44,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:44,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:44,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:44,662 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:44,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i Unable to find full path for "g++" [2024-11-08 22:36:46,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:47,086 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:47,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2024-11-08 22:36:47,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/data/321dabcf3/4ddfab11525d4c4c91c9ebdab14805c9/FLAG20bc27a42 [2024-11-08 22:36:47,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/data/321dabcf3/4ddfab11525d4c4c91c9ebdab14805c9 [2024-11-08 22:36:47,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:47,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:47,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:47,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:47,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:47,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ac53f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47, skipping insertion in model container [2024-11-08 22:36:47,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:48,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:48,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:48,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:48,639 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:48,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48 WrapperNode [2024-11-08 22:36:48,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:48,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:48,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:48,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:48,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,719 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-08 22:36:48,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:48,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:48,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:48,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:48,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:48,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:48,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:48,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:48,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:48,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:36:48,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:36:48,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:36:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:36:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:36:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:49,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:49,104 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:49,266 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:49,266 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:49,339 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:49,339 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:36:49,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:49 BoogieIcfgContainer [2024-11-08 22:36:49,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:49,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:36:49,343 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:36:49,354 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:36:49,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:49" (1/1) ... [2024-11-08 22:36:49,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:49,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:36:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:36:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:36:49,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:49,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:49,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:49,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:49,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:36:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:49,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:49,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:49,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:36:49,814 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:36:49,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:36:49 ImpRootNode [2024-11-08 22:36:49,851 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:36:49,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:36:49,852 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:36:49,854 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:36:49,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:49" (3/4) ... [2024-11-08 22:36:49,858 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:36:49,859 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:36:49,861 INFO L158 Benchmark]: Toolchain (without parser) took 2718.77ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 47.7MB in the beginning and 46.7MB in the end (delta: 978.7kB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-11-08 22:36:49,861 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 34.1MB in the beginning and 34.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:49,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1495.26ms. Allocated memory is still 75.5MB. Free memory was 47.5MB in the beginning and 32.1MB in the end (delta: 15.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 22:36:49,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.87ms. Allocated memory is still 75.5MB. Free memory was 32.1MB in the beginning and 29.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:49,864 INFO L158 Benchmark]: Boogie Preprocessor took 56.32ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 29.0MB in the beginning and 77.5MB in the end (delta: -48.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:49,866 INFO L158 Benchmark]: RCFGBuilder took 561.51ms. Allocated memory is still 107.0MB. Free memory was 77.5MB in the beginning and 60.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:36:49,867 INFO L158 Benchmark]: CodeCheck took 508.85ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 47.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:36:49,868 INFO L158 Benchmark]: Witness Printer took 7.76ms. Allocated memory is still 107.0MB. Free memory was 47.3MB in the beginning and 46.7MB in the end (delta: 600.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:49,874 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: 1557]: 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_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] --data 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 58.7MB. Free memory was 34.1MB in the beginning and 34.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1495.26ms. Allocated memory is still 75.5MB. Free memory was 47.5MB in the beginning and 32.1MB in the end (delta: 15.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.87ms. Allocated memory is still 75.5MB. Free memory was 32.1MB in the beginning and 29.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.32ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 29.0MB in the beginning and 77.5MB in the end (delta: -48.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.51ms. Allocated memory is still 107.0MB. Free memory was 77.5MB in the beginning and 60.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 508.85ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 47.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.76ms. Allocated memory is still 107.0MB. Free memory was 47.3MB in the beginning and 46.7MB in the end (delta: 600.6kB). 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 22:36:49,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3ca67-8058-4e36-b883-b41f5d64a15a/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