./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_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_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/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_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/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_5b04420a-8431-43bd-9556-f3a2f06ba57e/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 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:48:17,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:48:17,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:48:17,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:48:17,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:48:17,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:48:17,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:48:17,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:48:17,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:48:17,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:48:17,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:48:17,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:48:17,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:48:17,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:48:17,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:48:17,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:48:17,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:48:17,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:48:17,891 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:48:17,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:48:17,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:48:17,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:48:17,893 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:48:17,893 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:48:17,893 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:48:17,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:48:17,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:17,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:48:17,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:48:17,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:48:17,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:48:17,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:48:17,896 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_5b04420a-8431-43bd-9556-f3a2f06ba57e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 [2024-11-09 00:48:18,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:48:18,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:48:18,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:48:18,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:48:18,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:48:18,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i Unable to find full path for "g++" [2024-11-09 00:48:20,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:48:20,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:48:20,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-11-09 00:48:20,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/data/b57450e01/8f5df60d411540f4ae1b7458bc8196d0/FLAG8ea7a4441 [2024-11-09 00:48:20,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/data/b57450e01/8f5df60d411540f4ae1b7458bc8196d0 [2024-11-09 00:48:20,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:48:20,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:48:20,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:20,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:48:20,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:48:20,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:20" (1/1) ... [2024-11-09 00:48:20,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696984f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:20, skipping insertion in model container [2024-11-09 00:48:20,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:20" (1/1) ... [2024-11-09 00:48:20,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:48:21,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:21,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:48:21,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:21,873 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:48:21,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21 WrapperNode [2024-11-09 00:48:21,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:21,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:21,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:48:21,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:48:21,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,953 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-09 00:48:21,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:21,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:48:21,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:48:21,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:48:21,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:48:21,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:48:21,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:48:21,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:48:21,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:21" (1/1) ... [2024-11-09 00:48:21,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:22,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:48:22,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:48:22,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:48:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:48:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:48:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:48:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:48:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:48:22,208 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:48:22,209 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:48:22,302 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-09 00:48:22,302 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:48:22,367 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:48:22,367 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:48:22,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:22 BoogieIcfgContainer [2024-11-09 00:48:22,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:48:22,368 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:48:22,369 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:48:22,378 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:48:22,379 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:22" (1/1) ... [2024-11-09 00:48:22,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:48:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:48:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:48:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:48:22,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:22,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:22,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:48:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:22,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:48:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:22,751 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:48:22,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:48:22 ImpRootNode [2024-11-09 00:48:22,787 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:48:22,788 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:48:22,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:48:22,788 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:48:22,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:22" (3/4) ... [2024-11-09 00:48:22,791 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:48:22,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:48:22,793 INFO L158 Benchmark]: Toolchain (without parser) took 2205.54ms. Allocated memory is still 163.6MB. Free memory was 129.1MB in the beginning and 96.7MB in the end (delta: 32.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-09 00:48:22,793 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:48:22,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1284.08ms. Allocated memory is still 163.6MB. Free memory was 129.1MB in the beginning and 78.5MB in the end (delta: 50.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-09 00:48:22,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.89ms. Allocated memory is still 163.6MB. Free memory was 78.5MB in the beginning and 128.7MB in the end (delta: -50.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-09 00:48:22,796 INFO L158 Benchmark]: Boogie Preprocessor took 20.22ms. Allocated memory is still 163.6MB. Free memory was 128.7MB in the beginning and 126.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:48:22,796 INFO L158 Benchmark]: RCFGBuilder took 392.95ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 112.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:48:22,797 INFO L158 Benchmark]: CodeCheck took 418.79ms. Allocated memory is still 163.6MB. Free memory was 112.1MB in the beginning and 96.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:48:22,797 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 163.6MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:48:22,801 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: 1559]: 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 1568. 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1284.08ms. Allocated memory is still 163.6MB. Free memory was 129.1MB in the beginning and 78.5MB in the end (delta: 50.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.89ms. Allocated memory is still 163.6MB. Free memory was 78.5MB in the beginning and 128.7MB in the end (delta: -50.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.22ms. Allocated memory is still 163.6MB. Free memory was 128.7MB in the beginning and 126.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.95ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 112.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 418.79ms. Allocated memory is still 163.6MB. Free memory was 112.1MB in the beginning and 96.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 163.6MB. Free memory is still 96.7MB. 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 00:48:22,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/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_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/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_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/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_5b04420a-8431-43bd-9556-f3a2f06ba57e/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 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:48:25,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:48:25,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:48:25,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:48:25,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:48:25,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:48:25,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:48:25,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:48:25,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:48:25,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:48:25,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:48:25,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:48:25,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:48:25,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:48:25,305 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:48:25,307 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:48:25,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:48:25,308 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:48:25,308 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:48:25,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:48:25,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:48:25,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:48:25,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:48:25,313 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:48:25,313 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:48:25,314 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:25,314 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:48:25,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:48:25,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:25,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:48:25,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:48:25,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:48:25,315 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:48:25,316 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:25,317 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:48:25,318 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_5b04420a-8431-43bd-9556-f3a2f06ba57e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a62fd1b71c17c514d69640ac7e28953f559cc749ece7dc4c47d20342cbbfd40 [2024-11-09 00:48:25,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:48:25,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:48:25,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:48:25,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:48:25,698 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:48:25,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i Unable to find full path for "g++" [2024-11-09 00:48:27,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:48:28,128 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:48:28,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_10_bad.i [2024-11-09 00:48:28,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/data/f854e3181/40e9171fd3154b6ca05216a5e3ffd3b1/FLAG878509eea [2024-11-09 00:48:28,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/data/f854e3181/40e9171fd3154b6ca05216a5e3ffd3b1 [2024-11-09 00:48:28,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:48:28,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:48:28,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:28,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:48:28,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:48:28,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf9732f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28, skipping insertion in model container [2024-11-09 00:48:28,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:48:29,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:29,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:48:29,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:29,696 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:48:29,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29 WrapperNode [2024-11-09 00:48:29,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:29,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:29,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:48:29,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:48:29,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,755 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-09 00:48:29,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:29,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:48:29,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:48:29,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:48:29,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:48:29,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:48:29,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:48:29,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:48:29,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:29,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:48:29,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:48:29,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:48:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:48:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:48:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:48:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:48:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:48:30,038 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:48:30,041 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:48:30,192 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 00:48:30,193 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:48:30,282 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:48:30,283 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:48:30,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:30 BoogieIcfgContainer [2024-11-09 00:48:30,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:48:30,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:48:30,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:48:30,295 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:48:30,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:30" (1/1) ... [2024-11-09 00:48:30,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:48:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:48:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:48:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:48:30,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:30,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:30,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:30,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:30,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:48:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:30,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:48:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:30,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:48:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:48:30,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:48:30,733 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:48:30,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:48:30 ImpRootNode [2024-11-09 00:48:30,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:48:30,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:48:30,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:48:30,755 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:48:30,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:30" (3/4) ... [2024-11-09 00:48:30,758 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:48:30,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:48:30,760 INFO L158 Benchmark]: Toolchain (without parser) took 2438.79ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.5MB in the beginning and 44.6MB in the end (delta: 6.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-09 00:48:30,760 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:48:30,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1373.36ms. Allocated memory is still 79.7MB. Free memory was 51.3MB in the beginning and 43.4MB in the end (delta: 7.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-09 00:48:30,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.28ms. Allocated memory is still 79.7MB. Free memory was 43.4MB in the beginning and 40.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:48:30,762 INFO L158 Benchmark]: Boogie Preprocessor took 28.76ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 38.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:48:30,763 INFO L158 Benchmark]: RCFGBuilder took 498.73ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 38.5MB in the beginning and 58.8MB in the end (delta: -20.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-09 00:48:30,763 INFO L158 Benchmark]: CodeCheck took 469.08ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 45.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:48:30,764 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 96.5MB. Free memory was 45.0MB in the beginning and 44.6MB in the end (delta: 430.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:48:30,767 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: 1559]: 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 1568. 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1373.36ms. Allocated memory is still 79.7MB. Free memory was 51.3MB in the beginning and 43.4MB in the end (delta: 7.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.28ms. Allocated memory is still 79.7MB. Free memory was 43.4MB in the beginning and 40.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.76ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 38.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.73ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 38.5MB in the beginning and 58.8MB in the end (delta: -20.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * CodeCheck took 469.08ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 45.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 96.5MB. Free memory was 45.0MB in the beginning and 44.6MB in the end (delta: 430.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:48:30,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b04420a-8431-43bd-9556-f3a2f06ba57e/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample