./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_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_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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 cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:54:20,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:54:20,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:54:20,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:54:20,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:54:21,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:54:21,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:54:21,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:54:21,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:54:21,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:54:21,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:54:21,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:54:21,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:54:21,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:54:21,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:54:21,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:54:21,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:54:21,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:54:21,052 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:54:21,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:54:21,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:54:21,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:54:21,053 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:54:21,054 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:54:21,054 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:54:21,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:54:21,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:21,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:54:21,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:54:21,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:54:21,055 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:54:21,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:54:21,056 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_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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 -> cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef [2024-11-13 22:54:21,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:54:21,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:54:21,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:54:21,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:54:21,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:54:21,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i Unable to find full path for "g++" [2024-11-13 22:54:23,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:54:24,371 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:54:24,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i [2024-11-13 22:54:24,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/data/eba44792e/4ab65168fdba4c17a1b559e731640276/FLAGc7b46d4ca [2024-11-13 22:54:24,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/data/eba44792e/4ab65168fdba4c17a1b559e731640276 [2024-11-13 22:54:24,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:54:24,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:54:24,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:24,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:54:24,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:54:24,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:24" (1/1) ... [2024-11-13 22:54:24,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae32cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:24, skipping insertion in model container [2024-11-13 22:54:24,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:24" (1/1) ... [2024-11-13 22:54:24,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:54:25,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:25,916 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:54:26,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:26,184 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:54:26,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26 WrapperNode [2024-11-13 22:54:26,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:26,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:26,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:54:26,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:54:26,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,261 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-13 22:54:26,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:26,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:54:26,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:54:26,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:54:26,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:54:26,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:54:26,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:54:26,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:54:26,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:26,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:54:26,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:54:26,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:54:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:54:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:54:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:54:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:54:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:54:26,643 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:54:26,645 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:54:26,821 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 22:54:26,821 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:54:26,875 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:54:26,875 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:54:26,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:26 BoogieIcfgContainer [2024-11-13 22:54:26,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:54:26,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:54:26,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:54:26,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:54:26,892 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:26" (1/1) ... [2024-11-13 22:54:26,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:54:26,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 22:54:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 22:54:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:54:27,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:27,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:27,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:27,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:27,315 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:54:27,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:54:27 ImpRootNode [2024-11-13 22:54:27,361 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:54:27,363 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:54:27,364 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:54:27,364 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:54:27,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:26" (3/4) ... [2024-11-13 22:54:27,369 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:54:27,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:54:27,371 INFO L158 Benchmark]: Toolchain (without parser) took 2913.62ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 91.6MB in the end (delta: 23.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-13 22:54:27,374 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:27,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1724.41ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 55.1MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:54:27,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.96ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 52.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:27,376 INFO L158 Benchmark]: Boogie Preprocessor took 38.89ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.5MB in the end (delta: 962.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:27,376 INFO L158 Benchmark]: RCFGBuilder took 573.95ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 106.7MB in the end (delta: -55.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 22:54:27,377 INFO L158 Benchmark]: CodeCheck took 484.47ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 92.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:54:27,377 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.6MB in the end (delta: 745.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:27,384 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, 20 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: 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] [L1565] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1724.41ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 55.1MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.96ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 52.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.89ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.5MB in the end (delta: 962.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.95ms. Allocated memory is still 142.6MB. Free memory was 51.3MB in the beginning and 106.7MB in the end (delta: -55.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 484.47ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 92.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.25ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.6MB in the end (delta: 745.2kB). 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 22:54:27,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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 cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:54:31,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:54:31,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:54:31,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:54:31,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:54:31,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:54:31,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:54:31,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:54:31,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:54:31,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:54:31,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:54:31,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:54:31,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:54:31,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:54:31,248 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:54:31,248 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:54:31,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:54:31,251 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:54:31,251 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:54:31,251 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:54:31,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:54:31,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:54:31,252 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:54:31,252 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:54:31,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:54:31,252 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:31,252 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:54:31,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:54:31,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:31,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:54:31,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:54:31,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:54:31,253 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:54:31,254 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:31,254 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:54:31,254 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_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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 -> cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef [2024-11-13 22:54:31,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:54:31,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:54:31,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:54:31,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:54:31,674 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:54:31,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i Unable to find full path for "g++" [2024-11-13 22:54:34,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:54:34,568 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:54:34,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i [2024-11-13 22:54:34,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/data/591e11e1a/0f5205496c504845a85fa48f2f419eae/FLAG417fda6cb [2024-11-13 22:54:34,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/data/591e11e1a/0f5205496c504845a85fa48f2f419eae [2024-11-13 22:54:34,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:54:34,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:54:34,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:34,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:54:34,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:54:34,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:34" (1/1) ... [2024-11-13 22:54:34,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c25686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:34, skipping insertion in model container [2024-11-13 22:54:34,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:34" (1/1) ... [2024-11-13 22:54:34,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:54:36,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:36,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:54:36,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:36,383 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:54:36,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36 WrapperNode [2024-11-13 22:54:36,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:36,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:36,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:54:36,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:54:36,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,449 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-13 22:54:36,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:36,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:54:36,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:54:36,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:54:36,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:54:36,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:54:36,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:54:36,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:54:36,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:36" (1/1) ... [2024-11-13 22:54:36,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:36,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:54:36,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:54:36,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:54:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:54:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:54:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:54:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:54:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:54:36,869 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:54:36,871 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:54:37,107 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 22:54:37,107 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:54:37,196 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:54:37,197 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:54:37,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:37 BoogieIcfgContainer [2024-11-13 22:54:37,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:54:37,199 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:54:37,200 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:54:37,213 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:54:37,213 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:37" (1/1) ... [2024-11-13 22:54:37,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:54:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 22:54:37,301 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 22:54:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:54:37,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:37,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:37,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:37,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:37,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:54:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:37,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:37,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:54:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:37,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:54:37,832 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:54:37,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:54:37 ImpRootNode [2024-11-13 22:54:37,888 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:54:37,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:54:37,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:54:37,890 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:54:37,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:37" (3/4) ... [2024-11-13 22:54:37,895 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:54:37,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:54:37,898 INFO L158 Benchmark]: Toolchain (without parser) took 3247.18ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 79.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-13 22:54:37,898 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:37,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1731.33ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 76.0MB in the end (delta: 12.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 22:54:37,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.34ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 73.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:37,902 INFO L158 Benchmark]: Boogie Preprocessor took 55.84ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:37,903 INFO L158 Benchmark]: RCFGBuilder took 691.25ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 55.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:54:37,903 INFO L158 Benchmark]: CodeCheck took 688.81ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 80.1MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:37,904 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.5MB in the end (delta: 600.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:37,909 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, 20 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: 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] [L1565] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1731.33ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 76.0MB in the end (delta: 12.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.34ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 73.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.84ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 691.25ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 55.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 688.81ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 80.1MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.5MB in the end (delta: 600.4kB). 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 22:54:37,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a99be7-9824-4c90-9cfa-abfb6609b1f9/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