./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/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_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/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_912f71fc-2695-46ca-a530-c0eb022c4f61/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 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:50:46,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:50:46,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:50:46,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:50:46,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:50:46,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:50:46,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:50:46,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:50:46,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:50:46,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:50:46,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:50:46,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:50:46,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:50:46,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:50:46,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:50:46,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:50:46,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:50:46,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:50:46,636 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:50:46,636 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:50:46,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:50:46,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:50:46,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:50:46,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:50:46,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:50:46,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:50:46,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:50:46,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:50:46,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:50:46,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:50:46,643 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:50:46,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:50:46,644 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_912f71fc-2695-46ca-a530-c0eb022c4f61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5 [2024-11-08 23:50:46,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:50:46,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:50:46,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:50:46,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:50:46,941 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:50:46,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i Unable to find full path for "g++" [2024-11-08 23:50:49,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:50:49,391 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:50:49,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i [2024-11-08 23:50:49,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/data/e1997cc68/50a6036eca044764b5c4744e4b59620c/FLAG6f0485f5d [2024-11-08 23:50:49,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/data/e1997cc68/50a6036eca044764b5c4744e4b59620c [2024-11-08 23:50:49,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:50:49,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:50:49,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:50:49,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:50:49,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:50:49,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:49" (1/1) ... [2024-11-08 23:50:49,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a703b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:49, skipping insertion in model container [2024-11-08 23:50:49,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:49" (1/1) ... [2024-11-08 23:50:49,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:50:50,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:50:50,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:50:50,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:50:51,026 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:50:51,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51 WrapperNode [2024-11-08 23:50:51,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:50:51,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:50:51,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:50:51,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:50:51,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,098 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 23:50:51,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:50:51,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:50:51,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:50:51,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:50:51,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:50:51,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:50:51,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:50:51,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:50:51,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:50:51,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:50:51,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:50:51,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:50:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:50:51,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:50:51,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:50:51,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:50:51,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:50:51,417 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:50:51,420 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:50:51,579 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:50:51,579 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:50:51,663 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:50:51,663 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:50:51,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:50:51 BoogieIcfgContainer [2024-11-08 23:50:51,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:50:51,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:50:51,666 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:50:51,679 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:50:51,680 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:50:51" (1/1) ... [2024-11-08 23:50:51,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:50:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:50:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:50:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:50:51,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:51,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:50:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:50:51,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:50:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:50:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:50:52,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:50:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:50:52,116 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:50:52,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:50:52 ImpRootNode [2024-11-08 23:50:52,149 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:50:52,150 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:50:52,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:50:52,151 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:50:52,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:50:51" (3/4) ... [2024-11-08 23:50:52,155 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:50:52,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:50:52,159 INFO L158 Benchmark]: Toolchain (without parser) took 2705.43ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 100.8MB in the beginning and 95.1MB in the end (delta: 5.7MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2024-11-08 23:50:52,159 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:50:52,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1573.66ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 100.8MB in the beginning and 128.7MB in the end (delta: -27.9MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2024-11-08 23:50:52,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.40ms. Allocated memory is still 180.4MB. Free memory was 128.7MB in the beginning and 125.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:50:52,162 INFO L158 Benchmark]: Boogie Preprocessor took 31.76ms. Allocated memory is still 180.4MB. Free memory was 125.5MB in the beginning and 124.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:50:52,163 INFO L158 Benchmark]: RCFGBuilder took 531.86ms. Allocated memory is still 180.4MB. Free memory was 124.5MB in the beginning and 109.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:50:52,164 INFO L158 Benchmark]: CodeCheck took 483.83ms. Allocated memory is still 180.4MB. Free memory was 109.8MB in the beginning and 95.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:50:52,165 INFO L158 Benchmark]: Witness Printer took 6.98ms. Allocated memory is still 180.4MB. Free memory was 95.1MB in the beginning and 95.1MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:50:52,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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 int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1573.66ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 100.8MB in the beginning and 128.7MB in the end (delta: -27.9MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.40ms. Allocated memory is still 180.4MB. Free memory was 128.7MB in the beginning and 125.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.76ms. Allocated memory is still 180.4MB. Free memory was 125.5MB in the beginning and 124.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 531.86ms. Allocated memory is still 180.4MB. Free memory was 124.5MB in the beginning and 109.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 483.83ms. Allocated memory is still 180.4MB. Free memory was 109.8MB in the beginning and 95.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.98ms. Allocated memory is still 180.4MB. Free memory was 95.1MB in the beginning and 95.1MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:50:52,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/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_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/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_912f71fc-2695-46ca-a530-c0eb022c4f61/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 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:50:55,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:50:55,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:50:55,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:50:55,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:50:55,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:50:55,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:50:55,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:50:55,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:50:55,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:50:55,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:50:55,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:50:55,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:50:55,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:50:55,241 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:50:55,242 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:50:55,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:50:55,243 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:50:55,243 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:50:55,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:50:55,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:50:55,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:50:55,245 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:50:55,245 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:50:55,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:50:55,246 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:55,247 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:50:55,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:50:55,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:50:55,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:50:55,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:50:55,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:50:55,249 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:50:55,249 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:55,250 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:50:55,250 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_912f71fc-2695-46ca-a530-c0eb022c4f61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5 [2024-11-08 23:50:55,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:50:55,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:50:55,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:50:55,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:50:55,724 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:50:55,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i Unable to find full path for "g++" [2024-11-08 23:50:58,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:50:58,732 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:50:58,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i [2024-11-08 23:50:58,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/data/bf3916bb3/70cbd90762784cb08f185daec25fe016/FLAGdd5361a9d [2024-11-08 23:50:58,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/data/bf3916bb3/70cbd90762784cb08f185daec25fe016 [2024-11-08 23:50:58,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:50:58,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:50:58,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:50:58,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:50:58,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:50:58,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:58" (1/1) ... [2024-11-08 23:50:58,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127d2054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:58, skipping insertion in model container [2024-11-08 23:50:58,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:58" (1/1) ... [2024-11-08 23:50:58,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:50:59,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:50:59,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:51:00,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:51:00,207 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:51:00,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00 WrapperNode [2024-11-08 23:51:00,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:51:00,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:51:00,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:51:00,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:51:00,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,280 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-08 23:51:00,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:51:00,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:51:00,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:51:00,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:51:00,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:51:00,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:51:00,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:51:00,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:51:00,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:51:00,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:51:00,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:51:00,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:51:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:51:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:51:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:51:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:51:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:51:00,595 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:51:00,597 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:51:00,748 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:51:00,748 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:51:00,799 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:51:00,799 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:51:00,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:51:00 BoogieIcfgContainer [2024-11-08 23:51:00,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:51:00,800 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:51:00,801 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:51:00,811 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:51:00,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:51:00" (1/1) ... [2024-11-08 23:51:00,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:51:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:51:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:51:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:51:00,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:00,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:00,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:00,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:00,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:51:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:51:01,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:51:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:51:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:51:01,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:51:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:51:01,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:51:01,230 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:51:01,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:51:01 ImpRootNode [2024-11-08 23:51:01,270 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:51:01,271 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:51:01,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:51:01,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:51:01,275 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:51:00" (3/4) ... [2024-11-08 23:51:01,278 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:51:01,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:51:01,281 INFO L158 Benchmark]: Toolchain (without parser) took 2501.95ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 41.2MB in the beginning and 64.9MB in the end (delta: -23.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-08 23:51:01,281 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:51:01,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1428.41ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.1MB in the beginning and 39.6MB in the end (delta: 1.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-08 23:51:01,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.20ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 36.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:51:01,284 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 34.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:51:01,285 INFO L158 Benchmark]: RCFGBuilder took 488.30ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 41.2MB in the end (delta: -6.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:51:01,287 INFO L158 Benchmark]: CodeCheck took 470.15ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 41.1MB in the beginning and 65.1MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:51:01,287 INFO L158 Benchmark]: Witness Printer took 8.49ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 188.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:51:01,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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 int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1428.41ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.1MB in the beginning and 39.6MB in the end (delta: 1.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.20ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 36.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 34.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.30ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 41.2MB in the end (delta: -6.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 470.15ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 41.1MB in the beginning and 65.1MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.49ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 188.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:51:01,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912f71fc-2695-46ca-a530-c0eb022c4f61/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