./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/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_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/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_217cb28d-0e01-435b-ae74-dca11b5cbe93/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 a744711899eb567fa27c78859cb8aec8855f9098bfdaa17dab21c91488bf005b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:32:28,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:32:29,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:32:29,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:32:29,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:32:29,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:32:29,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:32:29,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:32:29,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:32:29,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:32:29,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:32:29,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:32:29,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:32:29,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:32:29,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:32:29,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:32:29,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:32:29,105 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:32:29,105 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:32:29,105 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:32:29,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:32:29,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:32:29,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:32:29,107 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:32:29,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:32:29,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:32:29,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:29,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:32:29,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:32:29,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:32:29,109 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:32:29,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:32:29,110 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_217cb28d-0e01-435b-ae74-dca11b5cbe93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a744711899eb567fa27c78859cb8aec8855f9098bfdaa17dab21c91488bf005b [2024-11-08 19:32:29,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:32:29,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:32:29,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:32:29,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:32:29,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:32:29,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i Unable to find full path for "g++" [2024-11-08 19:32:31,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:32:31,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:32:31,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i [2024-11-08 19:32:31,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/data/ed93eb86c/90d7c72e268846a9a8c02eec9a6d60fb/FLAG7b2d235f0 [2024-11-08 19:32:31,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/data/ed93eb86c/90d7c72e268846a9a8c02eec9a6d60fb [2024-11-08 19:32:31,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:32:31,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:32:31,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:31,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:32:31,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:32:31,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:31" (1/1) ... [2024-11-08 19:32:31,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b869e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:31, skipping insertion in model container [2024-11-08 19:32:31,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:31" (1/1) ... [2024-11-08 19:32:31,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:32:33,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:33,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:32:33,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:33,362 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:32:33,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33 WrapperNode [2024-11-08 19:32:33,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:33,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:33,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:32:33,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:32:33,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,431 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-08 19:32:33,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:33,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:32:33,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:32:33,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:32:33,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:32:33,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:32:33,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:32:33,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:32:33,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:33,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:32:33,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:32:33,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:32:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:32:33,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:32:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:32:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:32:33,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:32:33,693 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:32:33,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:32:33,818 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 19:32:33,819 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:32:33,866 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:32:33,866 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:32:33,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:33 BoogieIcfgContainer [2024-11-08 19:32:33,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:32:33,867 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:32:33,868 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:32:33,879 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:32:33,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:33" (1/1) ... [2024-11-08 19:32:33,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:32:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:32:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:32:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:32:33,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:33,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:34,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:32:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:34,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:32:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:34,245 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:32:34,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:32:34 ImpRootNode [2024-11-08 19:32:34,282 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:32:34,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:32:34,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:32:34,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:32:34,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:33" (3/4) ... [2024-11-08 19:32:34,289 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:32:34,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:32:34,292 INFO L158 Benchmark]: Toolchain (without parser) took 2425.37ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 89.3MB in the end (delta: 32.5MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-08 19:32:34,292 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 159.4MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:32:34,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1491.41ms. Allocated memory is still 159.4MB. Free memory was 121.3MB in the beginning and 123.8MB in the end (delta: -2.5MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-11-08 19:32:34,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.24ms. Allocated memory is still 159.4MB. Free memory was 123.8MB in the beginning and 120.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:32:34,296 INFO L158 Benchmark]: Boogie Preprocessor took 23.11ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 119.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:32:34,296 INFO L158 Benchmark]: RCFGBuilder took 410.43ms. Allocated memory is still 159.4MB. Free memory was 119.6MB in the beginning and 104.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:32:34,297 INFO L158 Benchmark]: CodeCheck took 414.70ms. Allocated memory is still 159.4MB. Free memory was 104.9MB in the beginning and 89.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:32:34,297 INFO L158 Benchmark]: Witness Printer took 7.81ms. Allocated memory is still 159.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:32:34,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_predec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.38ms. Allocated memory is still 159.4MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1491.41ms. Allocated memory is still 159.4MB. Free memory was 121.3MB in the beginning and 123.8MB in the end (delta: -2.5MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.24ms. Allocated memory is still 159.4MB. Free memory was 123.8MB in the beginning and 120.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.11ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 119.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.43ms. Allocated memory is still 159.4MB. Free memory was 119.6MB in the beginning and 104.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 414.70ms. Allocated memory is still 159.4MB. Free memory was 104.9MB in the beginning and 89.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.81ms. Allocated memory is still 159.4MB. Free memory is still 89.3MB. 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 19:32:34,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/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_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/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_217cb28d-0e01-435b-ae74-dca11b5cbe93/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 a744711899eb567fa27c78859cb8aec8855f9098bfdaa17dab21c91488bf005b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:32:36,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:32:36,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:32:36,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:32:36,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:32:36,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:32:36,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:32:36,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:32:36,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:32:36,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:32:36,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:32:36,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:32:36,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:32:36,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:32:36,906 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:32:36,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:32:36,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:32:36,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:32:36,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:32:36,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:32:36,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:32:36,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:32:36,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:32:36,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:32:36,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:32:36,913 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:32:36,913 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:32:36,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:32:36,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:36,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:32:36,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:32:36,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:32:36,915 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:32:36,916 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:32:36,916 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:32:36,916 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_217cb28d-0e01-435b-ae74-dca11b5cbe93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a744711899eb567fa27c78859cb8aec8855f9098bfdaa17dab21c91488bf005b [2024-11-08 19:32:37,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:32:37,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:32:37,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:32:37,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:32:37,416 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:32:37,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i Unable to find full path for "g++" [2024-11-08 19:32:39,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:32:39,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:32:39,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_06_bad.i [2024-11-08 19:32:39,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/data/4275bd7e6/bfdf6283f2984878b5914345717a6680/FLAG2f356f5f2 [2024-11-08 19:32:40,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/data/4275bd7e6/bfdf6283f2984878b5914345717a6680 [2024-11-08 19:32:40,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:32:40,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:32:40,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:40,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:32:40,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:32:40,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:40" (1/1) ... [2024-11-08 19:32:40,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f945b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:40, skipping insertion in model container [2024-11-08 19:32:40,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:40" (1/1) ... [2024-11-08 19:32:40,098 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:32:41,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:41,233 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:32:41,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:41,540 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:32:41,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41 WrapperNode [2024-11-08 19:32:41,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:41,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:41,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:32:41,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:32:41,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,623 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-08 19:32:41,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:41,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:32:41,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:32:41,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:32:41,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:32:41,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:32:41,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:32:41,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:32:41,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:41" (1/1) ... [2024-11-08 19:32:41,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:41,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:32:41,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:32:41,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:32:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:32:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:32:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:32:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:32:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:32:41,928 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:32:41,931 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:32:42,073 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 19:32:42,073 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:32:42,121 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:32:42,121 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:32:42,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:42 BoogieIcfgContainer [2024-11-08 19:32:42,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:32:42,122 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:32:42,122 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:32:42,137 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:32:42,138 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:42,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:32:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:42,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:32:42,235 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:32:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:32:42,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:42,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:32:42,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:32:42,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:32:42,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:32:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:42,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:32:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:42,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:32:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:42,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:32:42,620 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:32:42,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:32:42 ImpRootNode [2024-11-08 19:32:42,658 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:32:42,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:32:42,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:32:42,660 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:32:42,662 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:42" (3/4) ... [2024-11-08 19:32:42,666 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:32:42,667 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:32:42,668 INFO L158 Benchmark]: Toolchain (without parser) took 2657.58ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.5MB in the beginning and 52.8MB in the end (delta: -3.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-08 19:32:42,669 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:32:42,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1528.22ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.3MB in the beginning and 62.8MB in the end (delta: -13.6MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-08 19:32:42,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.54ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:32:42,673 INFO L158 Benchmark]: Boogie Preprocessor took 49.27ms. Allocated memory is still 94.4MB. Free memory was 60.1MB in the beginning and 58.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:32:42,673 INFO L158 Benchmark]: RCFGBuilder took 446.52ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 41.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:32:42,674 INFO L158 Benchmark]: CodeCheck took 536.05ms. Allocated memory is still 94.4MB. Free memory was 41.4MB in the beginning and 52.8MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:32:42,675 INFO L158 Benchmark]: Witness Printer took 7.36ms. Allocated memory is still 94.4MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:32:42,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_predec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1528.22ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.3MB in the beginning and 62.8MB in the end (delta: -13.6MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.54ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.27ms. Allocated memory is still 94.4MB. Free memory was 60.1MB in the beginning and 58.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.52ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 41.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 536.05ms. Allocated memory is still 94.4MB. Free memory was 41.4MB in the beginning and 52.8MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.36ms. Allocated memory is still 94.4MB. Free memory is still 52.8MB. 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 19:32:42,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217cb28d-0e01-435b-ae74-dca11b5cbe93/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