./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 22aabbf10f706c796f6feda69c40a8b4366b69ad3deb96ca16c891f111dbd339 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:50:33,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:50:33,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:50:33,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:50:33,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:50:33,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:50:33,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:50:33,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:50:33,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:50:33,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:50:33,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:50:33,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:50:33,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:50:33,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:50:33,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:50:33,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:50:33,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:50:33,824 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:50:33,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:50:33,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:50:33,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:50:33,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:50:33,827 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:50:33,829 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:50:33,830 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:50:33,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:50:33,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:50:33,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:50:33,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:50:33,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:50:33,832 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:50:33,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:50:33,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22aabbf10f706c796f6feda69c40a8b4366b69ad3deb96ca16c891f111dbd339 [2024-11-09 00:50:34,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:50:34,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:50:34,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:50:34,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:50:34,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:50:34,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i Unable to find full path for "g++" [2024-11-09 00:50:36,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:50:36,661 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:50:36,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i [2024-11-09 00:50:36,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/data/4960ca1db/f47eb1dd08ae4abcb8aa5089f362eee1/FLAGbd19dd9f8 [2024-11-09 00:50:36,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/data/4960ca1db/f47eb1dd08ae4abcb8aa5089f362eee1 [2024-11-09 00:50:36,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:50:36,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:50:36,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:50:36,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:50:36,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:50:36,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:50:36" (1/1) ... [2024-11-09 00:50:36,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c50411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:36, skipping insertion in model container [2024-11-09 00:50:36,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:50:36" (1/1) ... [2024-11-09 00:50:36,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:50:37,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:50:37,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:50:38,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:50:38,186 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:50:38,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38 WrapperNode [2024-11-09 00:50:38,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:50:38,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:50:38,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:50:38,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:50:38,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,242 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-09 00:50:38,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:50:38,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:50:38,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:50:38,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:50:38,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:50:38,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:50:38,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:50:38,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:50:38,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:50:38,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:50:38,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:50:38,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:50:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:50:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:50:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:50:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:50:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:50:38,518 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:50:38,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:50:38,629 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 00:50:38,629 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:50:38,692 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:50:38,693 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:50:38,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:38 BoogieIcfgContainer [2024-11-09 00:50:38,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:50:38,694 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:50:38,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:50:38,706 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:50:38,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:38" (1/1) ... [2024-11-09 00:50:38,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:50:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:50:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:50:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:50:38,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:38,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:38,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:50:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:38,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:50:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:39,007 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:50:39,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:50:39 ImpRootNode [2024-11-09 00:50:39,032 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:50:39,033 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:50:39,033 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:50:39,034 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:50:39,034 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:38" (3/4) ... [2024-11-09 00:50:39,037 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:50:39,038 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:50:39,039 INFO L158 Benchmark]: Toolchain (without parser) took 2314.85ms. Allocated memory is still 174.1MB. Free memory was 135.5MB in the beginning and 102.4MB in the end (delta: 33.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-09 00:50:39,040 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 138.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:50:39,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1460.16ms. Allocated memory is still 174.1MB. Free memory was 135.5MB in the beginning and 135.9MB in the end (delta: -397.0kB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2024-11-09 00:50:39,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.01ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 132.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:50:39,042 INFO L158 Benchmark]: Boogie Preprocessor took 25.12ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 131.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:50:39,042 INFO L158 Benchmark]: RCFGBuilder took 424.45ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 117.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:50:39,043 INFO L158 Benchmark]: CodeCheck took 338.37ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 102.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:50:39,043 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 174.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:50:39,046 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1555] --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 1.20ms. Allocated memory is still 138.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1460.16ms. Allocated memory is still 174.1MB. Free memory was 135.5MB in the beginning and 135.9MB in the end (delta: -397.0kB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.01ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 132.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.12ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 131.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.45ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 117.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 338.37ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 102.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 174.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:50:39,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 22aabbf10f706c796f6feda69c40a8b4366b69ad3deb96ca16c891f111dbd339 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:50:41,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:50:41,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:50:41,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:50:41,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:50:41,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:50:41,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:50:41,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:50:41,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:50:41,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:50:41,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:50:41,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:50:41,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:50:41,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:50:41,876 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:50:41,880 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:50:41,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:50:41,881 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:50:41,881 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:50:41,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:50:41,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:50:41,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:50:41,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:50:41,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:50:41,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:50:41,883 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:41,883 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:50:41,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:50:41,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:50:41,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:50:41,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:50:41,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:50:41,885 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:50:41,885 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:41,885 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:50:41,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22aabbf10f706c796f6feda69c40a8b4366b69ad3deb96ca16c891f111dbd339 [2024-11-09 00:50:42,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:50:42,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:50:42,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:50:42,309 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:50:42,310 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:50:42,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i Unable to find full path for "g++" [2024-11-09 00:50:44,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:50:44,867 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:50:44,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_bad.i [2024-11-09 00:50:44,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/data/4099c3583/1cddbb2f02304b8b95c22170048ec0ad/FLAG2651e633d [2024-11-09 00:50:45,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/data/4099c3583/1cddbb2f02304b8b95c22170048ec0ad [2024-11-09 00:50:45,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:50:45,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:50:45,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:50:45,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:50:45,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:50:45,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:50:45" (1/1) ... [2024-11-09 00:50:45,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f249fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:45, skipping insertion in model container [2024-11-09 00:50:45,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:50:45" (1/1) ... [2024-11-09 00:50:45,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:50:46,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:50:46,242 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:50:46,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:50:46,575 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:50:46,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46 WrapperNode [2024-11-09 00:50:46,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:50:46,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:50:46,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:50:46,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:50:46,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,635 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-09 00:50:46,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:50:46,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:50:46,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:50:46,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:50:46,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:50:46,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:50:46,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:50:46,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:50:46,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:46" (1/1) ... [2024-11-09 00:50:46,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:50:46,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:50:46,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:50:46,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:50:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:50:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:50:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:50:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:50:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:50:46,933 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:50:46,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:50:47,109 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:50:47,109 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:50:47,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:50:47,191 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:50:47,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:47 BoogieIcfgContainer [2024-11-09 00:50:47,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:50:47,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:50:47,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:50:47,203 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:50:47,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:47" (1/1) ... [2024-11-09 00:50:47,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:50:47,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:47,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:50:47,289 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:50:47,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:50:47,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:47,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:47,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:47,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:47,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:50:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:47,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:50:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:47,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:50:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:47,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:50:47,674 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:50:47,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:50:47 ImpRootNode [2024-11-09 00:50:47,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:50:47,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:50:47,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:50:47,708 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:50:47,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:47" (3/4) ... [2024-11-09 00:50:47,713 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:50:47,714 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:50:47,715 INFO L158 Benchmark]: Toolchain (without parser) took 2653.32ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 52.2MB in the beginning and 40.4MB in the end (delta: 11.8MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-09 00:50:47,716 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:50:47,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1511.85ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 52.0MB in the beginning and 44.6MB in the end (delta: 7.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-09 00:50:47,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.34ms. Allocated memory is still 98.6MB. Free memory was 44.6MB in the beginning and 42.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:50:47,718 INFO L158 Benchmark]: Boogie Preprocessor took 30.56ms. Allocated memory is still 98.6MB. Free memory was 42.0MB in the beginning and 40.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:50:47,719 INFO L158 Benchmark]: RCFGBuilder took 524.21ms. Allocated memory is still 98.6MB. Free memory was 40.0MB in the beginning and 54.6MB in the end (delta: -14.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-09 00:50:47,720 INFO L158 Benchmark]: CodeCheck took 513.78ms. Allocated memory is still 98.6MB. Free memory was 54.6MB in the beginning and 41.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:50:47,721 INFO L158 Benchmark]: Witness Printer took 6.77ms. Allocated memory is still 98.6MB. Free memory was 41.0MB in the beginning and 40.4MB in the end (delta: 535.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:50:47,727 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: 1555]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_predec_61b_badSource(data) [L1555] --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 0.31ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1511.85ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 52.0MB in the beginning and 44.6MB in the end (delta: 7.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.34ms. Allocated memory is still 98.6MB. Free memory was 44.6MB in the beginning and 42.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.56ms. Allocated memory is still 98.6MB. Free memory was 42.0MB in the beginning and 40.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.21ms. Allocated memory is still 98.6MB. Free memory was 40.0MB in the beginning and 54.6MB in the end (delta: -14.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * CodeCheck took 513.78ms. Allocated memory is still 98.6MB. Free memory was 54.6MB in the beginning and 41.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.77ms. Allocated memory is still 98.6MB. Free memory was 41.0MB in the beginning and 40.4MB in the end (delta: 535.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:50:47,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da158978-5edb-44ff-95c4-f796f43f2f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample