./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_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_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/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_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/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_b04d396d-fcdb-4011-b049-656eb0ecf11a/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 659dbcf9ecbca06b2bee557e0473cb92269b246970124165aeb9985c14653116 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:05:29,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:05:29,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:05:29,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:05:29,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:05:29,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:05:29,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:05:29,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:05:29,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:05:29,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:05:29,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:05:29,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:05:29,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:05:29,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:05:29,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:05:29,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:05:29,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:05:29,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:05:29,710 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:05:29,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:05:29,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:05:29,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:05:29,710 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:05:29,710 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:05:29,710 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:05:29,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:05:29,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:29,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:05:29,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:05:29,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:05:29,711 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:05:29,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:05:29,711 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_b04d396d-fcdb-4011-b049-656eb0ecf11a/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 -> 659dbcf9ecbca06b2bee557e0473cb92269b246970124165aeb9985c14653116 [2024-11-13 22:05:30,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:30,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:30,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:30,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:30,061 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:30,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i Unable to find full path for "g++" [2024-11-13 22:05:32,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:32,957 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:32,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i [2024-11-13 22:05:32,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/data/adf598ee5/beae3005de0646869f2297f394381cfe/FLAG53befbc0c [2024-11-13 22:05:33,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/data/adf598ee5/beae3005de0646869f2297f394381cfe [2024-11-13 22:05:33,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:33,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:33,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:33,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:33,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:33,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:33" (1/1) ... [2024-11-13 22:05:33,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1a12f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:33, skipping insertion in model container [2024-11-13 22:05:33,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:33" (1/1) ... [2024-11-13 22:05:33,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:34,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:34,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:34,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:34,755 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:34,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34 WrapperNode [2024-11-13 22:05:34,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:34,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:34,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:34,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:34,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,826 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 49 [2024-11-13 22:05:34,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:34,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:34,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:34,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:34,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:34,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:34,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:34,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:34,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:34" (1/1) ... [2024-11-13 22:05:34,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:34,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:34,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:34,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:05:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:05:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:05:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:35,151 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:35,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:35,314 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:35,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:35,396 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:35,399 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:05:35,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:35 BoogieIcfgContainer [2024-11-13 22:05:35,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:35,401 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:35,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:35,415 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:35,415 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:35" (1/1) ... [2024-11-13 22:05:35,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:05:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:05:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:05:35,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:35,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:35,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:35,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:35,864 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:05:35,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:05:35 ImpRootNode [2024-11-13 22:05:35,910 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:05:35,911 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:05:35,911 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:05:35,911 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:05:35,912 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:35" (3/4) ... [2024-11-13 22:05:35,918 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:05:35,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:05:35,920 INFO L158 Benchmark]: Toolchain (without parser) took 2900.23ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 93.1MB in the end (delta: 22.7MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-13 22:05:35,921 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:35,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1734.60ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.4MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:05:35,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.12ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 53.0MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:05:35,922 INFO L158 Benchmark]: Boogie Preprocessor took 26.00ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 52.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:35,927 INFO L158 Benchmark]: RCFGBuilder took 545.86ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 107.7MB in the end (delta: -55.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:35,928 INFO L158 Benchmark]: CodeCheck took 509.13ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 93.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:05:35,928 INFO L158 Benchmark]: Witness Printer took 8.28ms. Allocated memory is still 142.6MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:35,933 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: 1582]: 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_predec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_predec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_predec_54e_badSink(data) [L1582] --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 0.58ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1734.60ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.4MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.12ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 53.0MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.00ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 52.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.86ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 107.7MB in the end (delta: -55.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 509.13ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 93.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 8.28ms. Allocated memory is still 142.6MB. Free memory is still 93.1MB. 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 22:05:35,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/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_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/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_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/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_b04d396d-fcdb-4011-b049-656eb0ecf11a/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 659dbcf9ecbca06b2bee557e0473cb92269b246970124165aeb9985c14653116 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:05:39,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:05:39,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:05:39,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:05:39,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:05:39,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:05:39,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:05:39,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:05:39,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:05:39,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:05:39,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:05:39,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:05:39,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:05:39,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:05:39,521 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:05:39,521 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:05:39,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:05:39,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:05:39,522 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:05:39,524 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:05:39,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:05:39,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:05:39,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:05:39,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:05:39,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:05:39,524 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:39,524 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:05:39,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:05:39,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:39,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:05:39,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:05:39,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:05:39,525 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:05:39,525 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:39,525 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:05:39,526 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_b04d396d-fcdb-4011-b049-656eb0ecf11a/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 -> 659dbcf9ecbca06b2bee557e0473cb92269b246970124165aeb9985c14653116 [2024-11-13 22:05:39,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:39,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:39,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:39,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:39,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:39,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i Unable to find full path for "g++" [2024-11-13 22:05:42,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:43,030 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:43,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_54_bad.i [2024-11-13 22:05:43,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/data/219c7416e/658ee2a51a3b4edb8a8a928a356f11fb/FLAGc0c763858 [2024-11-13 22:05:43,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/data/219c7416e/658ee2a51a3b4edb8a8a928a356f11fb [2024-11-13 22:05:43,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:43,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:43,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:43,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:43,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:43,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:43" (1/1) ... [2024-11-13 22:05:43,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7022949b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:43, skipping insertion in model container [2024-11-13 22:05:43,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:43" (1/1) ... [2024-11-13 22:05:43,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:44,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:44,618 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:44,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:44,968 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:44,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44 WrapperNode [2024-11-13 22:05:44,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:44,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:44,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:44,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:44,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,048 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 49 [2024-11-13 22:05:45,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:45,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:45,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:45,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:45,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:45,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:45,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:45,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:45,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:44" (1/1) ... [2024-11-13 22:05:45,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:45,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:45,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:45,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:05:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:05:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:05:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:45,394 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:45,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:45,580 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:45,581 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:45,668 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:45,669 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:05:45,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:45 BoogieIcfgContainer [2024-11-13 22:05:45,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:45,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:45,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:45,686 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:45,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:45" (1/1) ... [2024-11-13 22:05:45,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:05:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:05:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:05:45,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:45,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:45,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:45,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:45,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:05:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:46,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:46,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:46,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:05:46,301 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:05:46,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:05:46 ImpRootNode [2024-11-13 22:05:46,347 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:05:46,348 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:05:46,348 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:05:46,349 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:05:46,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:45" (3/4) ... [2024-11-13 22:05:46,353 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:05:46,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:05:46,356 INFO L158 Benchmark]: Toolchain (without parser) took 3259.83ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 83.5MB in the end (delta: 7.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-13 22:05:46,356 INFO L158 Benchmark]: CDTParser took 4.43ms. Allocated memory is still 83.9MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:46,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1871.90ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 78.9MB in the end (delta: 12.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 22:05:46,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.32ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:46,358 INFO L158 Benchmark]: Boogie Preprocessor took 42.50ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:46,358 INFO L158 Benchmark]: RCFGBuilder took 575.28ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 58.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:46,359 INFO L158 Benchmark]: CodeCheck took 676.77ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 84.1MB in the end (delta: -25.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-13 22:05:46,360 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:46,362 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: 0.6s, 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: 1582]: 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_predec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_predec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_predec_54e_badSink(data) [L1582] --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 4.43ms. Allocated memory is still 83.9MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1871.90ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 78.9MB in the end (delta: 12.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.32ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.50ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 575.28ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 58.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 676.77ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 84.1MB in the end (delta: -25.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 19.3kB). 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 22:05:46,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04d396d-fcdb-4011-b049-656eb0ecf11a/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