./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_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_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/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_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/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_37be1783-c14e-423c-bca5-15908f17bcc6/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 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:58,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:58,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:34:58,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:34:58,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:34:58,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:58,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:58,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:58,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:58,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:58,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:58,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:58,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:34:58,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:58,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:58,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:58,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:58,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:58,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:34:58,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:34:58,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:58,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:58,172 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:58,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:58,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:58,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:58,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:58,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:58,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:58,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:58,173 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:34:58,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:34:58,176 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_37be1783-c14e-423c-bca5-15908f17bcc6/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 -> 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 [2024-11-13 20:34:58,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:58,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:58,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:58,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:58,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:58,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i Unable to find full path for "g++" [2024-11-13 20:35:00,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:01,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:01,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2024-11-13 20:35:01,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/data/5951b71d8/46cdb1cbea464bcaae91d1fdc328c122/FLAGba48a738b [2024-11-13 20:35:01,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/data/5951b71d8/46cdb1cbea464bcaae91d1fdc328c122 [2024-11-13 20:35:01,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:01,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:01,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:01,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:01,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:01,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:01" (1/1) ... [2024-11-13 20:35:01,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2738d207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:01, skipping insertion in model container [2024-11-13 20:35:01,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:01" (1/1) ... [2024-11-13 20:35:01,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:02,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:02,170 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:02,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:02,413 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:02,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02 WrapperNode [2024-11-13 20:35:02,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:02,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:02,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:02,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:02,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,476 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-13 20:35:02,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:02,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:02,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:02,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:02,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:02,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:02,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:02,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:02,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:02" (1/1) ... [2024-11-13 20:35:02,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:02,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:02,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:02,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:35:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:35:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:02,757 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:02,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:03,018 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:03,019 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:03,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:03,278 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:35:03,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:03 BoogieIcfgContainer [2024-11-13 20:35:03,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:03,281 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:03,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:03,296 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:03,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:03" (1/1) ... [2024-11-13 20:35:03,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:35:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:35:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:35:03,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:03,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:03,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:03,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:04,019 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:35:04,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:35:04 ImpRootNode [2024-11-13 20:35:04,057 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:35:04,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:35:04,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:35:04,059 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:35:04,059 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:03" (3/4) ... [2024-11-13 20:35:04,062 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:35:04,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:35:04,064 INFO L158 Benchmark]: Toolchain (without parser) took 2992.11ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 95.7MB in the end (delta: 20.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:04,065 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:04,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.26ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.9MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:35:04,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.78ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:04,068 INFO L158 Benchmark]: Boogie Preprocessor took 23.87ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 51.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:04,068 INFO L158 Benchmark]: RCFGBuilder took 777.53ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 78.4MB in the end (delta: -26.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 20:35:04,069 INFO L158 Benchmark]: CodeCheck took 776.21ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 95.7MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:04,070 INFO L158 Benchmark]: Witness Printer took 6.10ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:04,075 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 8 NumberOfCodeBlocks, 8 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) 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] [L1558] COND TRUE data < 0 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] data * 2 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 1.05ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.26ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.9MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.78ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.87ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 51.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 777.53ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 78.4MB in the end (delta: -26.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 776.21ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 95.7MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.10ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 13.7kB). 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 20:35:04,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/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 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_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/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_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/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_37be1783-c14e-423c-bca5-15908f17bcc6/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 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:06,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:06,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:35:06,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:06,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:06,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:06,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:06,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:06,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:06,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:06,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:06,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:06,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:06,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:06,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:35:06,893 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:35:06,893 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:06,893 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:35:06,893 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:35:06,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:35:06,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:06,896 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:06,896 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:06,896 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:06,896 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:06,896 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:06,896 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:35:06,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:06,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:06,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:06,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:06,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:06,897 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:35:06,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:06,897 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:35:06,897 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_37be1783-c14e-423c-bca5-15908f17bcc6/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 -> 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 [2024-11-13 20:35:07,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:07,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:07,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:07,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:07,238 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:07,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i Unable to find full path for "g++" [2024-11-13 20:35:09,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:09,849 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:09,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2024-11-13 20:35:09,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/data/a650da5d5/1b629e17625a4ade93454e92c77fcbda/FLAG39bb26b8f [2024-11-13 20:35:09,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/data/a650da5d5/1b629e17625a4ade93454e92c77fcbda [2024-11-13 20:35:09,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:09,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:09,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:09,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:09,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:09,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:09" (1/1) ... [2024-11-13 20:35:09,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebedaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:09, skipping insertion in model container [2024-11-13 20:35:09,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:09" (1/1) ... [2024-11-13 20:35:09,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:11,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:11,032 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:11,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:11,324 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:11,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11 WrapperNode [2024-11-13 20:35:11,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:11,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:11,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:11,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:11,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,401 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-13 20:35:11,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:11,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:11,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:11,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:11,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:11,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:11,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:11,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:11,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:11,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:11,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:11,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:11,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:35:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:35:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:11,730 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:11,732 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:11,910 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:11,910 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:11,991 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:11,991 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:35:11,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:11 BoogieIcfgContainer [2024-11-13 20:35:11,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:11,994 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:11,995 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:12,005 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:12,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:11" (1/1) ... [2024-11-13 20:35:12,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:35:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:35:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:35:12,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:12,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:12,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:35:12,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:35:12,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:35:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:12,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:12,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:12,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:35:12,581 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:35:12,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:35:12 ImpRootNode [2024-11-13 20:35:12,616 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:35:12,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:35:12,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:35:12,618 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:35:12,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:11" (3/4) ... [2024-11-13 20:35:12,623 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:35:12,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:35:12,625 INFO L158 Benchmark]: Toolchain (without parser) took 2722.10ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.0MB in the end (delta: 8.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-13 20:35:12,625 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:12,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1419.17ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 68.6MB in the end (delta: 21.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 20:35:12,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.13ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 65.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:12,628 INFO L158 Benchmark]: Boogie Preprocessor took 51.31ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 64.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:12,629 INFO L158 Benchmark]: RCFGBuilder took 537.87ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 45.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:35:12,629 INFO L158 Benchmark]: CodeCheck took 621.99ms. Allocated memory is still 117.4MB. Free memory was 45.5MB in the beginning and 81.0MB in the end (delta: -35.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:12,629 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 81.0MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:12,632 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1419.17ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 68.6MB in the end (delta: 21.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.13ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 65.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.31ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 64.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.87ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 45.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 621.99ms. Allocated memory is still 117.4MB. Free memory was 45.5MB in the beginning and 81.0MB in the end (delta: -35.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 81.0MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:35:12,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37be1783-c14e-423c-bca5-15908f17bcc6/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