./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_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_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/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_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/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_ca645763-3611-4c3c-9139-491b97a13ac7/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 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:53:01,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:53:01,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:53:01,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:53:01,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:53:01,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:53:01,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:53:01,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:53:01,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:53:01,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:53:01,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:53:01,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:53:01,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:53:01,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:53:01,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:53:01,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:53:01,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:53:01,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:53:01,439 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:53:01,439 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:53:01,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:53:01,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:53:01,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:53:01,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:53:01,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:53:01,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:53:01,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:01,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:53:01,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:53:01,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:53:01,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:53:01,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:53:01,441 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_ca645763-3611-4c3c-9139-491b97a13ac7/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 -> 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 [2024-11-13 21:53:01,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:53:01,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:53:01,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:53:01,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:53:01,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:53:01,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i Unable to find full path for "g++" [2024-11-13 21:53:03,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:53:04,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:53:04,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-11-13 21:53:04,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/data/5cd1b520a/b85ebfe4c94048c9bc054bf4d0f07d84/FLAG0b2d35743 [2024-11-13 21:53:04,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/data/5cd1b520a/b85ebfe4c94048c9bc054bf4d0f07d84 [2024-11-13 21:53:04,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:53:04,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:53:04,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:04,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:53:04,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:53:04,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:04" (1/1) ... [2024-11-13 21:53:04,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5008fbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:04, skipping insertion in model container [2024-11-13 21:53:04,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:04" (1/1) ... [2024-11-13 21:53:04,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:53:05,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:05,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:53:05,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:05,353 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:53:05,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05 WrapperNode [2024-11-13 21:53:05,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:05,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:05,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:53:05,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:53:05,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,426 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-13 21:53:05,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:05,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:53:05,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:53:05,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:53:05,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:53:05,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:53:05,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:53:05,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:53:05,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:05,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:53:05,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:53:05,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:53:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:53:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:53:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:53:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:53:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:53:05,722 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:53:05,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:53:05,864 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 21:53:05,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:53:05,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:53:05,916 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:53:05,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:05 BoogieIcfgContainer [2024-11-13 21:53:05,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:53:05,918 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:53:05,918 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:53:05,929 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:53:05,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:05" (1/1) ... [2024-11-13 21:53:05,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:53:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 21:53:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 21:53:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:53:05,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:05,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:06,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:06,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:06,196 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:53:06,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:53:06 ImpRootNode [2024-11-13 21:53:06,233 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:53:06,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:53:06,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:53:06,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:53:06,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:05" (3/4) ... [2024-11-13 21:53:06,236 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:53:06,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:53:06,238 INFO L158 Benchmark]: Toolchain (without parser) took 2120.61ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 48.2MB in the end (delta: 40.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 21:53:06,239 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:06,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1237.34ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 79.9MB in the end (delta: 9.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 21:53:06,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.96ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:06,240 INFO L158 Benchmark]: Boogie Preprocessor took 34.75ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 76.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:06,240 INFO L158 Benchmark]: RCFGBuilder took 454.39ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 62.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:53:06,241 INFO L158 Benchmark]: CodeCheck took 314.98ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 48.2MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:53:06,241 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 117.4MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:06,243 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, 20 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] --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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1237.34ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 79.9MB in the end (delta: 9.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.96ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.75ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 76.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.39ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 62.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 314.98ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 48.2MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 117.4MB. Free memory is still 48.2MB. 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 21:53:06,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/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_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/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_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/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_ca645763-3611-4c3c-9139-491b97a13ac7/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 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:53:08,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:53:09,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:53:09,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:53:09,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:53:09,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:53:09,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:53:09,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:53:09,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:53:09,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:53:09,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:53:09,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:53:09,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:53:09,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:53:09,152 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:53:09,152 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:53:09,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:53:09,153 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:53:09,153 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:53:09,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:53:09,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:53:09,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:53:09,153 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:53:09,153 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:53:09,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:53:09,153 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:09,154 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:53:09,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:53:09,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:09,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:53:09,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:53:09,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:53:09,154 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:53:09,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:09,154 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:53:09,155 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_ca645763-3611-4c3c-9139-491b97a13ac7/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 -> 067fdd617aec1d86d3d8723be328edc2d14d6d16b7c3f8618063daf66ec11848 [2024-11-13 21:53:09,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:53:09,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:53:09,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:53:09,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:53:09,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:53:09,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i Unable to find full path for "g++" [2024-11-13 21:53:11,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:53:11,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:53:11,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_15_bad.i [2024-11-13 21:53:11,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/data/7528b773e/4a71968a0d8742da98f51c0524b8d2b1/FLAG028fe08ff [2024-11-13 21:53:12,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/data/7528b773e/4a71968a0d8742da98f51c0524b8d2b1 [2024-11-13 21:53:12,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:53:12,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:53:12,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:12,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:53:12,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:53:12,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1771927f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:12, skipping insertion in model container [2024-11-13 21:53:12,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:12" (1/1) ... [2024-11-13 21:53:12,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:53:13,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:13,226 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:53:13,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:13,526 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:53:13,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13 WrapperNode [2024-11-13 21:53:13,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:13,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:13,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:53:13,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:53:13,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,603 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-13 21:53:13,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:13,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:53:13,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:53:13,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:53:13,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:53:13,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:53:13,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:53:13,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:53:13,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:13" (1/1) ... [2024-11-13 21:53:13,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:13,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:53:13,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:53:13,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:53:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:53:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:53:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:53:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:53:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:53:13,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:53:13,896 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:53:14,063 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 21:53:14,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:53:14,124 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:53:14,124 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:53:14,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:14 BoogieIcfgContainer [2024-11-13 21:53:14,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:53:14,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:53:14,125 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:53:14,136 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:53:14,136 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:14" (1/1) ... [2024-11-13 21:53:14,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:53:14,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 21:53:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 21:53:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:53:14,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:14,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:14,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:14,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:14,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:53:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:14,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:14,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:14,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:53:14,596 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:53:14,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:53:14 ImpRootNode [2024-11-13 21:53:14,633 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:53:14,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:53:14,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:53:14,635 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:53:14,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:14" (3/4) ... [2024-11-13 21:53:14,639 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:53:14,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:53:14,641 INFO L158 Benchmark]: Toolchain (without parser) took 2618.82ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 41.1MB in the end (delta: 16.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-13 21:53:14,641 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:14,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1503.56ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.4MB in the end (delta: 5.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 21:53:14,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.02ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:14,645 INFO L158 Benchmark]: Boogie Preprocessor took 47.63ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:14,645 INFO L158 Benchmark]: RCFGBuilder took 469.73ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 30.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:53:14,646 INFO L158 Benchmark]: CodeCheck took 508.44ms. Allocated memory is still 83.9MB. Free memory was 30.8MB in the beginning and 41.1MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:14,646 INFO L158 Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:14,648 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, 20 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] --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 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1503.56ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.4MB in the end (delta: 5.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.02ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.63ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.73ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 30.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 508.44ms. Allocated memory is still 83.9MB. Free memory was 30.8MB in the beginning and 41.1MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.69ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. 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 21:53:14,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca645763-3611-4c3c-9139-491b97a13ac7/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