./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_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_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/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_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/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_b6811911-25b0-4ab5-98fb-dc252003f6c9/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 5ada951d548b1b678afb72d57ffa5c89b26ef0de42da0942c466d9ff643802b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:57:35,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:57:35,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:57:35,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:57:35,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:57:35,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:57:35,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:57:35,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:57:35,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:57:35,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:57:35,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:57:35,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:57:35,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:57:35,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:57:35,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:57:35,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:57:35,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:57:35,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:57:35,177 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:57:35,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:57:35,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:57:35,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:57:35,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:57:35,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:57:35,178 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:57:35,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:57:35,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:35,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:57:35,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:57:35,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:57:35,179 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:57:35,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:57:35,179 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_b6811911-25b0-4ab5-98fb-dc252003f6c9/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 -> 5ada951d548b1b678afb72d57ffa5c89b26ef0de42da0942c466d9ff643802b0 [2024-11-13 20:57:35,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:57:35,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:57:35,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:57:35,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:57:35,527 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:57:35,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_bad.i Unable to find full path for "g++" [2024-11-13 20:57:37,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:57:37,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:57:37,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_bad.i [2024-11-13 20:57:37,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/data/ca4d85368/fcf74a7ac3dd4621a9eb730cbc31ef7e/FLAG64e6a49d2 [2024-11-13 20:57:37,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/data/ca4d85368/fcf74a7ac3dd4621a9eb730cbc31ef7e [2024-11-13 20:57:37,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:57:37,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:57:37,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:37,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:57:37,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:57:37,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:37" (1/1) ... [2024-11-13 20:57:37,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57754ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:37, skipping insertion in model container [2024-11-13 20:57:37,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:37" (1/1) ... [2024-11-13 20:57:38,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:57:38,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:39,005 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:57:39,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:39,318 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:57:39,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39 WrapperNode [2024-11-13 20:57:39,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:39,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:39,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:57:39,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:57:39,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,388 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2024-11-13 20:57:39,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:39,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:57:39,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:57:39,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:57:39,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:57:39,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:57:39,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:57:39,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:57:39,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:39,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:57:39,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:57:39,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:57:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:57:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:57:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:57:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:57:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:57:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:57:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:57:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:57:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:57:39,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:57:39,702 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:57:39,862 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:57:39,863 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:57:39,926 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:57:39,926 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:57:39,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:39 BoogieIcfgContainer [2024-11-13 20:57:39,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:57:39,927 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:57:39,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:57:39,938 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:57:39,938 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:39" (1/1) ... [2024-11-13 20:57:39,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:57:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:57:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:57:40,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:57:40,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:40,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:40,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:57:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:40,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:57:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:40,319 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:57:40,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:57:40 ImpRootNode [2024-11-13 20:57:40,343 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:57:40,344 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:57:40,344 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:57:40,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:57:40,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:39" (3/4) ... [2024-11-13 20:57:40,348 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:57:40,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:57:40,349 INFO L158 Benchmark]: Toolchain (without parser) took 2366.59ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 44.2MB in the end (delta: 45.5MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-13 20:57:40,350 INFO L158 Benchmark]: CDTParser took 2.47ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:40,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1337.14ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.0MB in the end (delta: 9.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 20:57:40,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.88ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:40,351 INFO L158 Benchmark]: Boogie Preprocessor took 37.07ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:40,352 INFO L158 Benchmark]: RCFGBuilder took 500.15ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 61.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:57:40,352 INFO L158 Benchmark]: CodeCheck took 416.11ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 44.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:57:40,353 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 117.4MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:40,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_64_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] 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 2.47ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1337.14ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.0MB in the end (delta: 9.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.88ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.07ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.15ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 61.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 416.11ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 44.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 117.4MB. Free memory is still 44.2MB. 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 20:57:40,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/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_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/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_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/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_b6811911-25b0-4ab5-98fb-dc252003f6c9/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 5ada951d548b1b678afb72d57ffa5c89b26ef0de42da0942c466d9ff643802b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:57:42,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:57:43,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:57:43,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:57:43,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:57:43,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:57:43,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:57:43,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:57:43,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:57:43,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:57:43,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:57:43,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:57:43,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:57:43,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:57:43,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:57:43,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:57:43,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:57:43,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:57:43,142 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:57:43,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:57:43,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:57:43,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:57:43,142 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:57:43,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:57:43,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:57:43,143 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:43,143 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:57:43,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:57:43,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:43,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:57:43,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:57:43,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:57:43,144 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:57:43,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:43,144 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:57:43,144 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_b6811911-25b0-4ab5-98fb-dc252003f6c9/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 -> 5ada951d548b1b678afb72d57ffa5c89b26ef0de42da0942c466d9ff643802b0 [2024-11-13 20:57:43,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:57:43,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:57:43,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:57:43,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:57:43,495 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:57:43,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_bad.i Unable to find full path for "g++" [2024-11-13 20:57:45,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:57:45,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:57:45,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_64_bad.i [2024-11-13 20:57:45,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/data/444e1342b/d5e82fc7a851447bba9457051872d308/FLAG2624773b7 [2024-11-13 20:57:45,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/data/444e1342b/d5e82fc7a851447bba9457051872d308 [2024-11-13 20:57:45,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:57:45,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:57:45,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:45,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:57:45,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:57:45,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:45" (1/1) ... [2024-11-13 20:57:45,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b07eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:45, skipping insertion in model container [2024-11-13 20:57:45,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:45" (1/1) ... [2024-11-13 20:57:45,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:57:46,902 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 20:57:46,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:46,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:57:47,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:47,220 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:57:47,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47 WrapperNode [2024-11-13 20:57:47,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:47,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:47,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:57:47,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:57:47,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,277 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-13 20:57:47,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:47,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:57:47,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:57:47,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:57:47,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:57:47,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:57:47,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:57:47,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:57:47,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:47,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:57:47,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:57:47,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:57:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:57:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:57:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:57:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:57:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:57:47,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:57:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:57:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:57:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:57:47,547 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:57:47,549 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:57:47,714 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:57:47,714 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:57:47,794 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:57:47,794 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:57:47,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:47 BoogieIcfgContainer [2024-11-13 20:57:47,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:57:47,796 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:57:47,796 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:57:47,812 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:57:47,812 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:47" (1/1) ... [2024-11-13 20:57:47,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:57:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:57:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:57:47,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:57:47,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:47,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:47,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:47,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:47,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:57:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:48,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:57:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:48,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:57:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:57:48,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:57:48,385 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:57:48,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:57:48 ImpRootNode [2024-11-13 20:57:48,418 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:57:48,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:57:48,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:57:48,420 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:57:48,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:47" (3/4) ... [2024-11-13 20:57:48,423 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:57:48,424 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:57:48,427 INFO L158 Benchmark]: Toolchain (without parser) took 2544.89ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 37.8MB in the end (delta: 19.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 20:57:48,428 INFO L158 Benchmark]: CDTParser took 4.13ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:48,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.12ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 50.8MB in the end (delta: 6.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 20:57:48,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.38ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:48,429 INFO L158 Benchmark]: Boogie Preprocessor took 46.13ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:48,432 INFO L158 Benchmark]: RCFGBuilder took 469.96ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 30.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:57:48,432 INFO L158 Benchmark]: CodeCheck took 621.76ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 37.8MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:48,433 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 83.9MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:48,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_64_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] 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 4.13ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.12ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 50.8MB in the end (delta: 6.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.38ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.13ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.96ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 30.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 621.76ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 37.8MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 83.9MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:57:48,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6811911-25b0-4ab5-98fb-dc252003f6c9/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample