./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_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_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/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_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/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_74c75049-1480-497b-87e4-3b0af7776fae/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 72ca4dc53425614abcf8d31bfe89d79e85f10fe1e9f3848d50e0b5f8b4748e4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:08,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:08,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:07:08,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:07:08,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:07:08,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:08,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:08,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:08,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:08,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:08,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:08,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:08,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:07:08,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:08,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:08,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:08,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:08,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:08,262 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:07:08,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:08,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:08,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:08,262 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:08,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:08,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:08,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:08,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:08,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:08,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:08,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:08,264 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:07:08,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:07:08,264 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_74c75049-1480-497b-87e4-3b0af7776fae/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 -> 72ca4dc53425614abcf8d31bfe89d79e85f10fe1e9f3848d50e0b5f8b4748e4f [2024-11-13 21:07:08,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:08,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:08,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:08,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:08,599 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:08,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i Unable to find full path for "g++" [2024-11-13 21:07:10,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:10,971 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:10,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i [2024-11-13 21:07:10,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/data/271d03e6d/de5a92f161314ef580eea5226764493a/FLAG10a8ed1c6 [2024-11-13 21:07:11,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/data/271d03e6d/de5a92f161314ef580eea5226764493a [2024-11-13 21:07:11,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:11,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:11,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:11,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:11,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:11,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:11" (1/1) ... [2024-11-13 21:07:11,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d1e2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:11, skipping insertion in model container [2024-11-13 21:07:11,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:11" (1/1) ... [2024-11-13 21:07:11,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:11,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:11,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:12,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:12,180 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:12,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12 WrapperNode [2024-11-13 21:07:12,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:12,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:12,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:12,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:12,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,230 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-11-13 21:07:12,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:12,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:12,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:12,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:12,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:12,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:12,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:12,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:12,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:12,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:12,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:12,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-13 21:07:12,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-13 21:07:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-13 21:07:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-13 21:07:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:07:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:07:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:12,497 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:12,499 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:12,642 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:07:12,642 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:12,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:07:12,681 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:07:12,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:12 BoogieIcfgContainer [2024-11-13 21:07:12,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:07:12,682 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:07:12,682 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:07:12,692 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:07:12,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:12" (1/1) ... [2024-11-13 21:07:12,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:07:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2024-11-13 21:07:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-13 21:07:12,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:07:12,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:12,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:13,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:13,123 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:07:13,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:07:13 ImpRootNode [2024-11-13 21:07:13,163 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:07:13,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:07:13,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:07:13,165 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:07:13,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:12" (3/4) ... [2024-11-13 21:07:13,169 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:07:13,170 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:07:13,171 INFO L158 Benchmark]: Toolchain (without parser) took 2155.01ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 47.2MB in the end (delta: 42.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-13 21:07:13,173 INFO L158 Benchmark]: CDTParser took 1.81ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:13,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1163.70ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 82.3MB in the end (delta: 7.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:13,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.74ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:13,174 INFO L158 Benchmark]: Boogie Preprocessor took 20.41ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:13,176 INFO L158 Benchmark]: RCFGBuilder took 429.63ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 63.9MB in the end (delta: 15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:13,176 INFO L158 Benchmark]: CodeCheck took 481.33ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 47.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:07:13,176 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 117.4MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:13,179 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 4 procedures, 33 locations, 4 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, 15 NumberOfCodeBlocks, 15 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: 1563]: 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 1585. 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); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_min_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] 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] [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() 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] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1163.70ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 82.3MB in the end (delta: 7.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.74ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.41ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.63ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 63.9MB in the end (delta: 15.0MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 481.33ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 47.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 117.4MB. Free memory is still 47.2MB. 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 21:07:13,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/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_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/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_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/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_74c75049-1480-497b-87e4-3b0af7776fae/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 72ca4dc53425614abcf8d31bfe89d79e85f10fe1e9f3848d50e0b5f8b4748e4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:15,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:15,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:07:16,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:16,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:16,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:16,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:16,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:16,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:16,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:16,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:16,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:16,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:16,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:16,016 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:16,016 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:16,016 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:16,016 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:07:16,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:16,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:16,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:16,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:16,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:16,017 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:07:16,017 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:16,017 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:07:16,017 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_74c75049-1480-497b-87e4-3b0af7776fae/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 -> 72ca4dc53425614abcf8d31bfe89d79e85f10fe1e9f3848d50e0b5f8b4748e4f [2024-11-13 21:07:16,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:16,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:16,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:16,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:16,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:16,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i Unable to find full path for "g++" [2024-11-13 21:07:18,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:18,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:18,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_12_bad.i [2024-11-13 21:07:18,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/data/0ed173a07/e9b752a5adc04b12956bc521e3bbaaf5/FLAGe91a7ed01 [2024-11-13 21:07:18,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/data/0ed173a07/e9b752a5adc04b12956bc521e3bbaaf5 [2024-11-13 21:07:18,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:18,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:18,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:18,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:18,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:18,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:18" (1/1) ... [2024-11-13 21:07:18,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc291e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:18, skipping insertion in model container [2024-11-13 21:07:18,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:18" (1/1) ... [2024-11-13 21:07:18,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:19,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:19,705 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:19,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:20,000 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:20,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20 WrapperNode [2024-11-13 21:07:20,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:20,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:20,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:20,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:20,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,049 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-13 21:07:20,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:20,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:20,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:20,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:20,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:20,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:20,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:20,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:20,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:20,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:20,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:20,154 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-13 21:07:20,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-13 21:07:20,155 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-13 21:07:20,155 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-13 21:07:20,155 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:07:20,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:07:20,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:20,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:20,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:20,373 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:20,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:20,578 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:07:20,579 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:20,649 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:07:20,650 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:07:20,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:20 BoogieIcfgContainer [2024-11-13 21:07:20,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:07:20,652 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:07:20,652 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:07:20,662 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:07:20,662 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:20" (1/1) ... [2024-11-13 21:07:20,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:07:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-11-13 21:07:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-11-13 21:07:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:07:20,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:20,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:20,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:07:20,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:07:20,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:07:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:20,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:21,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:07:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:07:21,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:07:21,116 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:07:21,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:07:21 ImpRootNode [2024-11-13 21:07:21,142 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:07:21,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:07:21,143 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:07:21,143 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:07:21,144 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:20" (3/4) ... [2024-11-13 21:07:21,146 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:07:21,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:07:21,148 INFO L158 Benchmark]: Toolchain (without parser) took 2468.55ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 79.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-13 21:07:21,148 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:21,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1321.18ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 79.5MB in the end (delta: 11.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 21:07:21,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.10ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:21,149 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:21,150 INFO L158 Benchmark]: RCFGBuilder took 570.20ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 57.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:07:21,150 INFO L158 Benchmark]: CodeCheck took 490.52ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 79.6MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:21,150 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.6MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:21,153 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 4 procedures, 32 locations, 4 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, 14 NumberOfCodeBlocks, 14 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: 1563]: 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 1585. 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); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_min_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] 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] [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() 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] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1321.18ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 79.5MB in the end (delta: 11.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.10ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 570.20ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 57.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 490.52ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 79.6MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.6MB 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 21:07:21,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c75049-1480-497b-87e4-3b0af7776fae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample