./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_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_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:38:01,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:38:01,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:38:01,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:38:01,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:38:01,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:38:01,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:38:01,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:38:01,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:38:01,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:38:01,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:38:01,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:38:01,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:38:01,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:38:01,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:38:01,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:38:01,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:38:01,868 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:38:01,869 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:38:01,869 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:38:01,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:38:01,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:38:01,870 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:38:01,871 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:38:01,871 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:38:01,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:38:01,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:38:01,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:38:01,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:38:01,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:38:01,874 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:38:01,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:38:01,875 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_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb [2024-11-09 00:38:02,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:38:02,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:38:02,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:38:02,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:38:02,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:38:02,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i Unable to find full path for "g++" [2024-11-09 00:38:04,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:38:04,583 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:38:04,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i [2024-11-09 00:38:04,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/data/792051b55/f6bea08791bb47d19035109469f42e87/FLAG9b23939fb [2024-11-09 00:38:04,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/data/792051b55/f6bea08791bb47d19035109469f42e87 [2024-11-09 00:38:04,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:38:04,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:38:04,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:38:04,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:38:04,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:38:04,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:38:04" (1/1) ... [2024-11-09 00:38:04,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd9e25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:04, skipping insertion in model container [2024-11-09 00:38:04,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:38:04" (1/1) ... [2024-11-09 00:38:04,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:38:05,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:38:05,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:38:05,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:38:05,990 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:38:05,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05 WrapperNode [2024-11-09 00:38:05,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:38:05,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:38:05,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:38:05,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:38:06,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,043 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-09 00:38:06,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:38:06,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:38:06,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:38:06,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:38:06,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:38:06,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:38:06,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:38:06,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:38:06,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:05" (1/1) ... [2024-11-09 00:38:06,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:38:06,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:38:06,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:38:06,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:38:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:38:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:38:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:38:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:38:06,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:38:06,322 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:38:06,324 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:38:06,443 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-09 00:38:06,444 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:38:06,488 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:38:06,489 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:38:06,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:38:06 BoogieIcfgContainer [2024-11-09 00:38:06,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:38:06,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:38:06,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:38:06,500 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:38:06,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:38:06" (1/1) ... [2024-11-09 00:38:06,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:38:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:06,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:38:06,562 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:38:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:38:06,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:06,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:38:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:38:06,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:38:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:38:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:38:06,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:38:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:38:06,839 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:38:06,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:38:06 ImpRootNode [2024-11-09 00:38:06,876 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:38:06,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:38:06,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:38:06,878 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:38:06,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:38:06" (3/4) ... [2024-11-09 00:38:06,884 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:38:06,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:38:06,887 INFO L158 Benchmark]: Toolchain (without parser) took 2241.55ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 81.3MB in the beginning and 116.6MB in the end (delta: -35.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-09 00:38:06,887 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:38:06,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.30ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 80.9MB in the beginning and 100.3MB in the end (delta: -19.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-11-09 00:38:06,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.40ms. Allocated memory is still 172.0MB. Free memory was 100.3MB in the beginning and 97.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:38:06,889 INFO L158 Benchmark]: Boogie Preprocessor took 24.25ms. Allocated memory is still 172.0MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:38:06,891 INFO L158 Benchmark]: RCFGBuilder took 419.99ms. Allocated memory is still 172.0MB. Free memory was 96.1MB in the beginning and 132.5MB in the end (delta: -36.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:38:06,893 INFO L158 Benchmark]: CodeCheck took 385.77ms. Allocated memory is still 172.0MB. Free memory was 132.5MB in the beginning and 116.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:38:06,893 INFO L158 Benchmark]: Witness Printer took 7.81ms. Allocated memory is still 172.0MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:38:06,899 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: 0.3s, 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, 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: 1561]: 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 1570. 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 const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 121.6MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.30ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 80.9MB in the beginning and 100.3MB in the end (delta: -19.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.40ms. Allocated memory is still 172.0MB. Free memory was 100.3MB in the beginning and 97.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.25ms. Allocated memory is still 172.0MB. Free memory was 97.5MB in the beginning and 96.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.99ms. Allocated memory is still 172.0MB. Free memory was 96.1MB in the beginning and 132.5MB in the end (delta: -36.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 385.77ms. Allocated memory is still 172.0MB. Free memory was 132.5MB in the beginning and 116.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.81ms. Allocated memory is still 172.0MB. Free memory is still 116.6MB. 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 00:38:06,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:38:09,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:38:09,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:38:09,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:38:09,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:38:09,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:38:09,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:38:09,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:38:09,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:38:09,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:38:09,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:38:09,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:38:09,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:38:09,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:38:09,439 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:38:09,439 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:38:09,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:38:09,440 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:38:09,440 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:38:09,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:38:09,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:38:09,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:38:09,443 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:38:09,444 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:38:09,444 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:38:09,444 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:09,445 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:38:09,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:38:09,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:38:09,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:38:09,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:38:09,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:38:09,447 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:38:09,447 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:09,448 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:38:09,448 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_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 488900364aeb7144f2ff9e9661db1f041fd2181d2115cca1b9f99fed94287fbb [2024-11-09 00:38:09,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:38:09,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:38:09,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:38:09,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:38:09,846 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:38:09,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i Unable to find full path for "g++" [2024-11-09 00:38:12,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:38:12,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:38:12,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_04_bad.i [2024-11-09 00:38:12,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/data/f0d81b260/21c393d471f4431da4e52da5a591c477/FLAG006b806dc [2024-11-09 00:38:12,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/data/f0d81b260/21c393d471f4431da4e52da5a591c477 [2024-11-09 00:38:12,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:38:12,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:38:12,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:38:12,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:38:12,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:38:12,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:38:12" (1/1) ... [2024-11-09 00:38:12,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65dd3af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:12, skipping insertion in model container [2024-11-09 00:38:12,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:38:12" (1/1) ... [2024-11-09 00:38:12,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:38:13,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:38:13,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:38:13,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:38:13,889 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:38:13,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13 WrapperNode [2024-11-09 00:38:13,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:38:13,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:38:13,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:38:13,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:38:13,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,959 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-09 00:38:13,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:38:13,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:38:13,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:38:13,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:38:13,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:13,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:38:13,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:38:13,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:38:13,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:38:13,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:13" (1/1) ... [2024-11-09 00:38:14,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:38:14,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:38:14,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:38:14,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:38:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:38:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:38:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:38:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:38:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:38:14,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:38:14,246 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:38:14,430 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 00:38:14,430 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:38:14,512 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:38:14,512 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:38:14,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:38:14 BoogieIcfgContainer [2024-11-09 00:38:14,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:38:14,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:38:14,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:38:14,528 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:38:14,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:38:14" (1/1) ... [2024-11-09 00:38:14,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:38:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:38:14,614 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:38:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:38:14,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:14,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:14,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:14,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:14,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:38:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:38:14,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:38:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:38:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:38:14,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:38:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:38:14,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:14,978 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:38:15,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:38:15 ImpRootNode [2024-11-09 00:38:15,004 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:38:15,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:38:15,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:38:15,005 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:38:15,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:38:14" (3/4) ... [2024-11-09 00:38:15,008 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:38:15,009 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:38:15,010 INFO L158 Benchmark]: Toolchain (without parser) took 2560.61ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 51.7MB in the beginning and 61.7MB in the end (delta: -10.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-09 00:38:15,011 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:38:15,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1437.81ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 62.2MB in the end (delta: -10.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-09 00:38:15,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.82ms. Allocated memory is still 113.2MB. Free memory was 62.2MB in the beginning and 59.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:38:15,013 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 113.2MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:38:15,014 INFO L158 Benchmark]: RCFGBuilder took 523.02ms. Allocated memory is still 113.2MB. Free memory was 57.0MB in the beginning and 76.5MB in the end (delta: -19.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-09 00:38:15,014 INFO L158 Benchmark]: CodeCheck took 486.09ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 62.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:38:15,015 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 113.2MB. Free memory was 62.4MB in the beginning and 61.7MB in the end (delta: 671.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:38:15,019 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: 1561]: 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 1570. 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 const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_predec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.20ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1437.81ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 62.2MB in the end (delta: -10.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.82ms. Allocated memory is still 113.2MB. Free memory was 62.2MB in the beginning and 59.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 113.2MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.02ms. Allocated memory is still 113.2MB. Free memory was 57.0MB in the beginning and 76.5MB in the end (delta: -19.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 486.09ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 62.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 113.2MB. Free memory was 62.4MB in the beginning and 61.7MB in the end (delta: 671.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:38:15,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddaff0d-7999-4d6c-b1bb-3ae528d5b561/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