./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_51_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_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/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_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/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_adb7c882-d11f-417f-bf70-41f0e528411d/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 956711ef3277bb783ea09e246e3b92b36e12178c2570b23b482144a2706306f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:11,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:11,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:18:11,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:18:11,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:18:11,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:11,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:11,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:11,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:11,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:11,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:11,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:11,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:18:11,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:11,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:11,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:11,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:11,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:11,728 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:18:11,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:18:11,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:11,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:11,729 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:11,729 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:11,729 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:11,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:11,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:11,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:11,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:11,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:11,733 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:18:11,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:18:11,733 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_adb7c882-d11f-417f-bf70-41f0e528411d/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 -> 956711ef3277bb783ea09e246e3b92b36e12178c2570b23b482144a2706306f0 [2024-11-13 22:18:12,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:12,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:12,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:12,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:12,087 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:12,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_51_bad.i Unable to find full path for "g++" [2024-11-13 22:18:14,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:14,444 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:14,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_51_bad.i [2024-11-13 22:18:14,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/data/aa80c5d24/1d41d91f8fcd4a0ea106abf35d00ede1/FLAG6edd3105f [2024-11-13 22:18:14,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/data/aa80c5d24/1d41d91f8fcd4a0ea106abf35d00ede1 [2024-11-13 22:18:14,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:14,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:14,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:14,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:14,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:14,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:14" (1/1) ... [2024-11-13 22:18:14,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5009f911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:14, skipping insertion in model container [2024-11-13 22:18:14,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:14" (1/1) ... [2024-11-13 22:18:14,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:15,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:15,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:15,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:15,682 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:15,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15 WrapperNode [2024-11-13 22:18:15,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:15,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:15,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:15,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:15,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,727 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-13 22:18:15,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:15,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:15,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:15,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:15,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:15,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:15,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:15,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:15,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:15,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:15,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:15,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:18:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:18:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:15,999 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:16,001 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:16,136 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:16,136 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:16,194 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:16,194 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:18:16,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:16 BoogieIcfgContainer [2024-11-13 22:18:16,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:16,195 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:16,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:16,208 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:16,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:16" (1/1) ... [2024-11-13 22:18:16,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:18:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:18:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:18:16,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:16,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:16,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:16,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:16,527 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:18:16,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:18:16 ImpRootNode [2024-11-13 22:18:16,553 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:18:16,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:18:16,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:18:16,554 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:18:16,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:16" (3/4) ... [2024-11-13 22:18:16,557 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:18:16,558 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:16,559 INFO L158 Benchmark]: Toolchain (without parser) took 2042.39ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 78.1MB in the end (delta: 37.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 22:18:16,559 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:16,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1164.36ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 108.4MB in the end (delta: 7.3MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-11-13 22:18:16,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.09ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 106.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:16,561 INFO L158 Benchmark]: Boogie Preprocessor took 19.36ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:16,561 INFO L158 Benchmark]: RCFGBuilder took 446.49ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 91.8MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:16,562 INFO L158 Benchmark]: CodeCheck took 357.78ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 78.1MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:18:16,562 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 142.6MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:16,565 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_51b_badSink(data) [L1567] 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 1.14ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1164.36ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 108.4MB in the end (delta: 7.3MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.09ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 106.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.36ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 446.49ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 91.8MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 357.78ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 78.1MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 142.6MB. Free memory is still 78.1MB. 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 22:18:16,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/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_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/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_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/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_adb7c882-d11f-417f-bf70-41f0e528411d/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 956711ef3277bb783ea09e246e3b92b36e12178c2570b23b482144a2706306f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:19,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:19,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:18:19,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:19,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:19,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:19,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:19,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:19,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:19,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:19,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:19,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:19,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:19,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:19,372 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:18:19,372 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:18:19,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:19,372 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:18:19,372 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:18:19,372 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:18:19,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:19,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:19,373 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:19,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:19,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:19,373 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:19,373 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:18:19,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:19,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:19,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:19,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:19,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:19,375 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:18:19,375 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:19,375 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:18:19,375 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_adb7c882-d11f-417f-bf70-41f0e528411d/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 -> 956711ef3277bb783ea09e246e3b92b36e12178c2570b23b482144a2706306f0 [2024-11-13 22:18:19,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:19,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:19,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:19,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:19,714 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:19,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_51_bad.i Unable to find full path for "g++" [2024-11-13 22:18:21,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:22,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:22,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_51_bad.i [2024-11-13 22:18:22,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/data/56f57b8d0/9aa857d649284b7d83d59b1e6272e232/FLAG29f12fd55 [2024-11-13 22:18:22,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/data/56f57b8d0/9aa857d649284b7d83d59b1e6272e232 [2024-11-13 22:18:22,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:22,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:22,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:22,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:22,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:22,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:22" (1/1) ... [2024-11-13 22:18:22,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0339ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:22, skipping insertion in model container [2024-11-13 22:18:22,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:22" (1/1) ... [2024-11-13 22:18:22,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:23,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:23,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:23,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:23,772 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:23,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23 WrapperNode [2024-11-13 22:18:23,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:23,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:23,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:23,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:23,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,844 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-13 22:18:23,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:23,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:23,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:23,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:23,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:23,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:23,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:23,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:23,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:23" (1/1) ... [2024-11-13 22:18:23,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:23,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:23,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:23,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:18:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:18:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:24,157 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:24,159 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:24,304 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:24,304 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:24,376 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:24,377 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:18:24,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:24 BoogieIcfgContainer [2024-11-13 22:18:24,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:24,378 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:24,378 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:24,389 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:24,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:24" (1/1) ... [2024-11-13 22:18:24,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:18:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:18:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:18:24,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:24,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:24,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:18:24,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:18:24,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:18:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:24,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:24,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:24,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:18:24,826 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:18:24,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:18:24 ImpRootNode [2024-11-13 22:18:24,858 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:18:24,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:18:24,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:18:24,859 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:18:24,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:24" (3/4) ... [2024-11-13 22:18:24,864 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:18:24,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:24,868 INFO L158 Benchmark]: Toolchain (without parser) took 2551.75ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 42.7MB in the end (delta: 14.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:24,868 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:24,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.42ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.7MB in the end (delta: 6.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 22:18:24,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.24ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:24,869 INFO L158 Benchmark]: Boogie Preprocessor took 46.46ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:24,870 INFO L158 Benchmark]: RCFGBuilder took 484.71ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 31.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:18:24,870 INFO L158 Benchmark]: CodeCheck took 480.69ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 43.2MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:24,870 INFO L158 Benchmark]: Witness Printer took 6.06ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:24,877 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_51b_badSink(data) [L1567] 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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.42ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.7MB in the end (delta: 6.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.24ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.46ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.71ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 31.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 480.69ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 43.2MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.06ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 6.5kB). 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 22:18:24,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7c882-d11f-417f-bf70-41f0e528411d/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