./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm --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 6cd8231e467eff67e40614a7ef29b1c93bdad42d8834f0791a1ac7a0a6482263 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:04,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:04,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:18:04,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:18:04,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:18:04,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:04,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:04,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:04,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:04,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:04,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:04,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:04,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:18:04,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:04,374 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:04,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:04,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:04,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:04,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:04,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:04,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:04,376 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:18:04,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:18:04,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm 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 -> 6cd8231e467eff67e40614a7ef29b1c93bdad42d8834f0791a1ac7a0a6482263 [2024-11-13 22:18:04,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:04,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:04,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:04,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:04,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:04,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i Unable to find full path for "g++" [2024-11-13 22:18:06,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:07,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:07,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i [2024-11-13 22:18:07,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/data/f62075333/d67e87e214084cae96a305e2ab78f920/FLAG0ca359db7 [2024-11-13 22:18:07,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/data/f62075333/d67e87e214084cae96a305e2ab78f920 [2024-11-13 22:18:07,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:07,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:07,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:07,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:07,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:07,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:07" (1/1) ... [2024-11-13 22:18:07,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16102960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:07, skipping insertion in model container [2024-11-13 22:18:07,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:07" (1/1) ... [2024-11-13 22:18:07,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:08,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:08,983 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:09,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:09,266 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:09,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09 WrapperNode [2024-11-13 22:18:09,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:09,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:09,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:09,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:09,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,332 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-13 22:18:09,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:09,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:09,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:09,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:09,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:09,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:09,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:09,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:09,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:09,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:09,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:09,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:18:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:18:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:09,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:09,730 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:09,869 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:09,869 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:09,921 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:09,921 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:18:09,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:09 BoogieIcfgContainer [2024-11-13 22:18:09,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:09,923 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:09,923 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:09,937 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:09,938 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:09" (1/1) ... [2024-11-13 22:18:09,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:18:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:18:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:18:10,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:10,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:10,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:10,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:10,346 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:18:10,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:18:10 ImpRootNode [2024-11-13 22:18:10,392 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:18:10,392 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:18:10,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:18:10,393 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:18:10,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:09" (3/4) ... [2024-11-13 22:18:10,398 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:18:10,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:10,402 INFO L158 Benchmark]: Toolchain (without parser) took 2845.03ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 92.9MB in the end (delta: 20.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-13 22:18:10,404 INFO L158 Benchmark]: CDTParser took 1.85ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:10,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1708.77ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 54.2MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:18:10,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.78ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 51.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:10,410 INFO L158 Benchmark]: Boogie Preprocessor took 28.18ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 50.7MB in the end (delta: 929.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:10,411 INFO L158 Benchmark]: RCFGBuilder took 558.64ms. Allocated memory is still 142.6MB. Free memory was 50.7MB in the beginning and 106.9MB in the end (delta: -56.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 22:18:10,412 INFO L158 Benchmark]: CodeCheck took 468.81ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 93.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:18:10,412 INFO L158 Benchmark]: Witness Printer took 7.93ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.9MB in the end (delta: 678.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:10,419 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: 0.4s, 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, 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1557] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.85ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1708.77ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 54.2MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.78ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 51.8MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.18ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 50.7MB in the end (delta: 929.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.64ms. Allocated memory is still 142.6MB. Free memory was 50.7MB in the beginning and 106.9MB in the end (delta: -56.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 468.81ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 93.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.93ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.9MB in the end (delta: 678.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:18:10,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm --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 6cd8231e467eff67e40614a7ef29b1c93bdad42d8834f0791a1ac7a0a6482263 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:13,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:14,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:18:14,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:14,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:14,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:14,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:14,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:14,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:14,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:14,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:14,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:14,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:14,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:14,169 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:18:14,169 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:18:14,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:14,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:18:14,171 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:18:14,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:18:14,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:14,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:14,172 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:14,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:14,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:14,172 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:14,172 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:18:14,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:14,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:14,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:14,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:14,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:14,173 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:18:14,173 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:14,173 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:18:14,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm 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 -> 6cd8231e467eff67e40614a7ef29b1c93bdad42d8834f0791a1ac7a0a6482263 [2024-11-13 22:18:14,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:14,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:14,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:14,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:14,648 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:14,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i Unable to find full path for "g++" [2024-11-13 22:18:17,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:17,912 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:17,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_18_bad.i [2024-11-13 22:18:17,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/data/5be6afb45/c712d7e87c7443cb9a658e767c8ceff6/FLAG53db3a9de [2024-11-13 22:18:17,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/data/5be6afb45/c712d7e87c7443cb9a658e767c8ceff6 [2024-11-13 22:18:17,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:17,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:18,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:18,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:18,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:18,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:17" (1/1) ... [2024-11-13 22:18:18,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc3f69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:18, skipping insertion in model container [2024-11-13 22:18:18,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:17" (1/1) ... [2024-11-13 22:18:18,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:19,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:19,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:19,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:19,878 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:19,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19 WrapperNode [2024-11-13 22:18:19,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:19,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:19,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:19,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:19,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:19,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:19,974 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 22:18:19,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:19,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:19,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:19,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:19,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:19,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:19,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:19,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:19,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:20,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:20,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:20,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:20,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:20,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:20,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:20,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:20,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:20,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:20,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:20,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:20,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:18:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:18:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:20,326 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:20,328 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:20,528 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:20,528 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:20,610 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:20,610 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:18:20,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:20 BoogieIcfgContainer [2024-11-13 22:18:20,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:20,611 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:20,613 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:20,628 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:20,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:20" (1/1) ... [2024-11-13 22:18:20,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:18:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:18:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:18:20,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:20,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:20,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:18:20,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:18:20,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:18:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:20,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:21,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:21,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:18:21,213 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:18:21,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:18:21 ImpRootNode [2024-11-13 22:18:21,254 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:18:21,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:18:21,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:18:21,256 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:18:21,257 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:20" (3/4) ... [2024-11-13 22:18:21,261 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:18:21,263 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:21,266 INFO L158 Benchmark]: Toolchain (without parser) took 3264.89ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 43.7MB in the end (delta: 14.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-13 22:18:21,267 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:21,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1877.00ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 51.5MB in the end (delta: 6.4MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-11-13 22:18:21,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.66ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 49.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:21,268 INFO L158 Benchmark]: Boogie Preprocessor took 34.14ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:21,269 INFO L158 Benchmark]: RCFGBuilder took 600.59ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 33.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:18:21,270 INFO L158 Benchmark]: CodeCheck took 642.79ms. Allocated memory is still 83.9MB. Free memory was 33.1MB in the beginning and 44.1MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:21,274 INFO L158 Benchmark]: Witness Printer took 7.12ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 43.7MB in the end (delta: 419.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:21,277 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: 0.6s, 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1557] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1877.00ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 51.5MB in the end (delta: 6.4MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.66ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 49.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.14ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 600.59ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 33.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 642.79ms. Allocated memory is still 83.9MB. Free memory was 33.1MB in the beginning and 44.1MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.12ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 43.7MB in the end (delta: 419.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:18:21,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9fd46b-8479-42da-b9e6-b3164c77746c/bin/ukojak-verify-EEHR8qb7sm/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