./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm --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 95234f6c29f0c6f5788b025abb0a2c0a5b6cc5bd0719f37b1ce82bcc2f7bd717 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:07,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:07,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:18:07,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:18:07,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:18:07,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:07,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:07,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:07,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:07,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:07,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:07,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:07,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:18:07,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:07,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:07,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:07,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:07,681 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:07,681 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:18:07,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:18:07,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:07,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:07,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:07,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:07,682 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:07,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:07,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:07,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:07,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:07,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:07,684 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:18:07,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:18:07,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm 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 -> 95234f6c29f0c6f5788b025abb0a2c0a5b6cc5bd0719f37b1ce82bcc2f7bd717 [2024-11-13 22:18:08,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:08,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:08,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:08,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:08,079 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:08,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_bad.i Unable to find full path for "g++" [2024-11-13 22:18:10,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:10,638 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:10,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_bad.i [2024-11-13 22:18:10,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/data/6a7b26d51/f87ad3f76b714894bda3abd2949ead20/FLAG051516e4d [2024-11-13 22:18:10,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/data/6a7b26d51/f87ad3f76b714894bda3abd2949ead20 [2024-11-13 22:18:10,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:10,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:10,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:10,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:10,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:10,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:10" (1/1) ... [2024-11-13 22:18:10,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ea45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:10, skipping insertion in model container [2024-11-13 22:18:10,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:10" (1/1) ... [2024-11-13 22:18:10,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:11,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:11,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:12,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:12,202 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:12,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12 WrapperNode [2024-11-13 22:18:12,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:12,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:12,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:12,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:12,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,279 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 22:18:12,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:12,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:12,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:12,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:12,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:12,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:12,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:12,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:12,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:12,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:12,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:12,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:18:12,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:18:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:12,627 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:12,629 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:12,751 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:12,751 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:12,809 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:12,810 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:18:12,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:12 BoogieIcfgContainer [2024-11-13 22:18:12,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:12,811 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:12,811 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:12,822 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:12,822 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:12" (1/1) ... [2024-11-13 22:18:12,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:18:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:18:12,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:18:12,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:12,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:13,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:13,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:13,210 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:18:13,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:18:13 ImpRootNode [2024-11-13 22:18:13,258 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:18:13,259 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:18:13,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:18:13,260 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:18:13,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:12" (3/4) ... [2024-11-13 22:18:13,263 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:18:13,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:13,270 INFO L158 Benchmark]: Toolchain (without parser) took 2550.82ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 95.3MB in the end (delta: 20.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-13 22:18:13,271 INFO L158 Benchmark]: CDTParser took 1.98ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:13,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1484.57ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 56.7MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:18:13,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.97ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 54.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:13,273 INFO L158 Benchmark]: Boogie Preprocessor took 42.44ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 53.2MB in the end (delta: 706.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:13,273 INFO L158 Benchmark]: RCFGBuilder took 485.86ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 109.3MB in the end (delta: -56.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 22:18:13,274 INFO L158 Benchmark]: CodeCheck took 447.39ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 95.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:18:13,274 INFO L158 Benchmark]: Witness Printer took 7.30ms. Allocated memory is still 142.6MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:13,281 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_postdec_03_bad() [L1550] int data; [L1551] data = 0 [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 1.98ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1484.57ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 56.7MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.97ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 54.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.44ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 53.2MB in the end (delta: 706.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.86ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 109.3MB in the end (delta: -56.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 447.39ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 95.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.30ms. Allocated memory is still 142.6MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:18:13,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm --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 95234f6c29f0c6f5788b025abb0a2c0a5b6cc5bd0719f37b1ce82bcc2f7bd717 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:16,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:16,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:18:16,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:16,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:16,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:16,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:16,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:16,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:16,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:16,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:16,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:16,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:16,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:16,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:18:16,384 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:18:16,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:16,384 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:18:16,384 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:18:16,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:18:16,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:16,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:16,385 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:16,385 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:16,385 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:16,385 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:16,385 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:18:16,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:16,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:16,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:16,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:16,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:16,386 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:18:16,386 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:16,386 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:18:16,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm 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 -> 95234f6c29f0c6f5788b025abb0a2c0a5b6cc5bd0719f37b1ce82bcc2f7bd717 [2024-11-13 22:18:16,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:16,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:16,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:16,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:16,716 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:16,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_bad.i Unable to find full path for "g++" [2024-11-13 22:18:18,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:19,249 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:19,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_03_bad.i [2024-11-13 22:18:19,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/data/a07bcd035/271ce1f240de44069c1bd16ada97fd9c/FLAG942636bd8 [2024-11-13 22:18:19,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/data/a07bcd035/271ce1f240de44069c1bd16ada97fd9c [2024-11-13 22:18:19,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:19,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:19,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:19,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:19,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:19,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:19,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3739fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:19, skipping insertion in model container [2024-11-13 22:18:19,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:19" (1/1) ... [2024-11-13 22:18:19,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:20,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:20,663 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:20,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:21,005 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:21,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21 WrapperNode [2024-11-13 22:18:21,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:21,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:21,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:21,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:21,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,084 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 22:18:21,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:21,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:21,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:21,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:21,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:21,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:21,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:21,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:21,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:21,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:21,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:18:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:18:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:21,380 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:21,382 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:21,551 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:21,552 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:21,602 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:21,602 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:18:21,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:21 BoogieIcfgContainer [2024-11-13 22:18:21,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:21,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:21,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:21,616 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:21,616 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:21" (1/1) ... [2024-11-13 22:18:21,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:21,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:18:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:18:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:18:21,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:21,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:21,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:18:21,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:18:21,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:18:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:21,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:22,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:22,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:18:22,110 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:18:22,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:18:22 ImpRootNode [2024-11-13 22:18:22,147 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:18:22,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:18:22,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:18:22,150 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:18:22,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:21" (3/4) ... [2024-11-13 22:18:22,154 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:18:22,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:22,157 INFO L158 Benchmark]: Toolchain (without parser) took 2844.03ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.1MB in the beginning and 217.8MB in the end (delta: -128.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-13 22:18:22,157 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:22,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1692.35ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.1MB in the end (delta: 22.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:22,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.06ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:22,159 INFO L158 Benchmark]: Boogie Preprocessor took 52.83ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 61.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:22,159 INFO L158 Benchmark]: RCFGBuilder took 464.41ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 46.7MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:22,163 INFO L158 Benchmark]: CodeCheck took 543.66ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 46.7MB in the beginning and 217.8MB in the end (delta: -171.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:22,164 INFO L158 Benchmark]: Witness Printer took 6.57ms. Allocated memory is still 251.7MB. Free memory was 217.8MB in the beginning and 217.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:22,168 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: 0.5s, 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: 0.1s 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_postdec_03_bad() [L1550] int data; [L1551] data = 0 [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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1692.35ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.1MB in the end (delta: 22.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.06ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.83ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 61.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 464.41ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 46.7MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 543.66ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 46.7MB in the beginning and 217.8MB in the end (delta: -171.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.57ms. Allocated memory is still 251.7MB. Free memory was 217.8MB in the beginning and 217.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:18:22,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96a82d84-df4e-41e2-adb1-1d551dc8276b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample