./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/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_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/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_c4b6bcff-6c15-4022-9cda-f370d1829893/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 d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:06:45,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:06:45,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:06:45,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:06:45,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:06:45,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:06:45,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:06:45,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:06:45,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:06:45,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:06:45,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:06:45,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:06:45,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:06:45,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:06:45,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:06:45,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:06:45,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:06:45,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:06:45,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:06:45,959 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:06:45,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:06:45,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:06:45,964 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:06:45,964 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:06:45,965 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:06:45,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:06:45,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:45,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:06:45,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:06:45,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:06:45,967 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:06:45,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:06:45,969 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_c4b6bcff-6c15-4022-9cda-f370d1829893/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 [2024-11-08 23:06:46,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:06:46,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:06:46,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:06:46,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:06:46,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:06:46,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i Unable to find full path for "g++" [2024-11-08 23:06:48,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:06:48,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:06:48,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i [2024-11-08 23:06:48,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/data/0028bb200/3c61f76e81234f5a9f9831a51bd79f7e/FLAG8c7c18b88 [2024-11-08 23:06:49,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/data/0028bb200/3c61f76e81234f5a9f9831a51bd79f7e [2024-11-08 23:06:49,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:06:49,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:06:49,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:49,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:06:49,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:06:49,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:49" (1/1) ... [2024-11-08 23:06:49,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673ac971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:49, skipping insertion in model container [2024-11-08 23:06:49,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:49" (1/1) ... [2024-11-08 23:06:49,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:06:50,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:50,374 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:06:50,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:50,664 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:06:50,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50 WrapperNode [2024-11-08 23:06:50,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:50,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:50,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:06:50,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:06:50,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,720 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-08 23:06:50,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:50,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:06:50,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:06:50,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:06:50,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:06:50,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:06:50,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:06:50,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:06:50,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:50,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:06:50,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:06:50,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:06:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:06:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:06:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:06:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:06:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:06:51,049 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:06:51,052 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:51,209 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:51,209 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:51,283 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:51,283 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:06:51,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:51 BoogieIcfgContainer [2024-11-08 23:06:51,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:51,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:51,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:51,297 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:51,297 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:51" (1/1) ... [2024-11-08 23:06:51,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:06:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:06:51,377 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:06:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:06:51,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:51,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:51,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:51,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:51,684 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:06:51,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:06:51 ImpRootNode [2024-11-08 23:06:51,716 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:06:51,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:06:51,716 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:06:51,717 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:06:51,717 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:51" (3/4) ... [2024-11-08 23:06:51,721 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:06:51,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:06:51,724 INFO L158 Benchmark]: Toolchain (without parser) took 2556.18ms. Allocated memory is still 182.5MB. Free memory was 140.5MB in the beginning and 92.5MB in the end (delta: 48.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-08 23:06:51,724 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:51,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1496.40ms. Allocated memory is still 182.5MB. Free memory was 140.0MB in the beginning and 127.1MB in the end (delta: 12.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-08 23:06:51,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.34ms. Allocated memory is still 182.5MB. Free memory was 127.1MB in the beginning and 124.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:06:51,726 INFO L158 Benchmark]: Boogie Preprocessor took 24.59ms. Allocated memory is still 182.5MB. Free memory was 124.0MB in the beginning and 122.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:06:51,727 INFO L158 Benchmark]: RCFGBuilder took 536.89ms. Allocated memory is still 182.5MB. Free memory was 122.9MB in the beginning and 108.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:06:51,728 INFO L158 Benchmark]: CodeCheck took 431.04ms. Allocated memory is still 182.5MB. Free memory was 108.3MB in the beginning and 93.4MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:06:51,728 INFO L158 Benchmark]: Witness Printer took 6.38ms. Allocated memory is still 182.5MB. Free memory was 93.4MB in the beginning and 92.5MB in the end (delta: 808.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:51,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.38ms. Allocated memory is still 132.1MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1496.40ms. Allocated memory is still 182.5MB. Free memory was 140.0MB in the beginning and 127.1MB in the end (delta: 12.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.34ms. Allocated memory is still 182.5MB. Free memory was 127.1MB in the beginning and 124.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.59ms. Allocated memory is still 182.5MB. Free memory was 124.0MB in the beginning and 122.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.89ms. Allocated memory is still 182.5MB. Free memory was 122.9MB in the beginning and 108.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 431.04ms. Allocated memory is still 182.5MB. Free memory was 108.3MB in the beginning and 93.4MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.38ms. Allocated memory is still 182.5MB. Free memory was 93.4MB in the beginning and 92.5MB in the end (delta: 808.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:06:51,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/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_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/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_c4b6bcff-6c15-4022-9cda-f370d1829893/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 d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:06:54,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:06:54,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:06:54,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:06:54,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:06:54,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:06:54,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:06:54,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:06:54,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:06:54,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:06:54,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:06:54,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:06:54,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:06:54,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:06:54,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:06:54,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:06:54,333 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:06:54,333 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:06:54,334 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:06:54,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:06:54,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:06:54,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:06:54,338 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:06:54,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:06:54,339 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:06:54,339 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:54,339 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:06:54,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:06:54,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:54,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:06:54,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:06:54,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:06:54,341 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:06:54,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:54,342 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:06:54,342 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_c4b6bcff-6c15-4022-9cda-f370d1829893/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 [2024-11-08 23:06:54,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:06:54,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:06:54,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:06:54,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:06:54,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:06:54,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i Unable to find full path for "g++" [2024-11-08 23:06:56,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:06:57,383 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:06:57,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i [2024-11-08 23:06:57,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/data/9e6c61721/533cb20e548f498c878b971a24e00987/FLAG7e7400515 [2024-11-08 23:06:57,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/data/9e6c61721/533cb20e548f498c878b971a24e00987 [2024-11-08 23:06:57,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:06:57,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:06:57,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:57,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:06:57,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:06:57,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:57" (1/1) ... [2024-11-08 23:06:57,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677af49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:57, skipping insertion in model container [2024-11-08 23:06:57,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:57" (1/1) ... [2024-11-08 23:06:57,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:06:58,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:58,991 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:06:59,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:59,293 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:06:59,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59 WrapperNode [2024-11-08 23:06:59,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:59,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:59,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:06:59,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:06:59,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,361 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-08 23:06:59,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:59,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:06:59,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:06:59,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:06:59,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:06:59,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:06:59,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:06:59,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:06:59,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:06:59,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:06:59,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:06:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:06:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:06:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:06:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:06:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:06:59,668 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:06:59,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:59,873 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:59,873 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:59,932 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:59,935 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:06:59,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:59 BoogieIcfgContainer [2024-11-08 23:06:59,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:59,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:59,936 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:59,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:59,948 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:59" (1/1) ... [2024-11-08 23:06:59,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:07:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:07:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:07:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:07:00,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:00,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:00,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:07:00,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:07:00,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:07:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:00,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:07:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:00,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:07:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:00,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:07:00,389 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:07:00,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:07:00 ImpRootNode [2024-11-08 23:07:00,421 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:07:00,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:07:00,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:07:00,422 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:07:00,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:59" (3/4) ... [2024-11-08 23:07:00,427 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:07:00,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:07:00,430 INFO L158 Benchmark]: Toolchain (without parser) took 2916.23ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 53.1MB in the beginning and 64.6MB in the end (delta: -11.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-08 23:07:00,431 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:07:00,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1779.29ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 52.8MB in the beginning and 66.3MB in the end (delta: -13.4MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-11-08 23:07:00,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.80ms. Allocated memory is still 113.2MB. Free memory was 66.3MB in the beginning and 63.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:07:00,433 INFO L158 Benchmark]: Boogie Preprocessor took 51.44ms. Allocated memory is still 113.2MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:07:00,435 INFO L158 Benchmark]: RCFGBuilder took 521.30ms. Allocated memory is still 113.2MB. Free memory was 61.1MB in the beginning and 79.3MB in the end (delta: -18.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-08 23:07:00,436 INFO L158 Benchmark]: CodeCheck took 485.15ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 65.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:07:00,436 INFO L158 Benchmark]: Witness Printer took 7.26ms. Allocated memory is still 113.2MB. Free memory was 65.3MB in the beginning and 64.6MB in the end (delta: 641.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:07:00,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.34ms. Allocated memory is still 77.6MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1779.29ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 52.8MB in the beginning and 66.3MB in the end (delta: -13.4MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.80ms. Allocated memory is still 113.2MB. Free memory was 66.3MB in the beginning and 63.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.44ms. Allocated memory is still 113.2MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.30ms. Allocated memory is still 113.2MB. Free memory was 61.1MB in the beginning and 79.3MB in the end (delta: -18.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * CodeCheck took 485.15ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 65.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.26ms. Allocated memory is still 113.2MB. Free memory was 65.3MB in the beginning and 64.6MB in the end (delta: 641.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:07:00,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b6bcff-6c15-4022-9cda-f370d1829893/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