./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_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_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:19:15,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:19:15,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:19:15,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:19:15,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:19:15,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:19:15,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:19:15,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:19:15,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:19:15,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:19:15,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:19:15,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:19:15,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:19:15,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:19:15,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:19:15,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:19:15,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:19:15,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:19:15,371 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:19:15,372 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:19:15,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:19:15,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:19:15,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:19:15,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:19:15,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:19:15,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:19:15,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:19:15,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:19:15,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:19:15,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:19:15,374 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:19:15,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:19:15,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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 -> 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca [2024-11-13 21:19:15,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:19:15,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:19:15,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:19:15,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:19:15,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:19:15,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i Unable to find full path for "g++" [2024-11-13 21:19:17,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:19:18,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:19:18,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i [2024-11-13 21:19:18,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/data/4c372ac7b/bfcea5fec8b44ee98182f6a846ced4f1/FLAG7823f5132 [2024-11-13 21:19:18,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/data/4c372ac7b/bfcea5fec8b44ee98182f6a846ced4f1 [2024-11-13 21:19:18,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:19:18,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:19:18,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:19:18,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:19:18,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:19:18,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:19:18" (1/1) ... [2024-11-13 21:19:18,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa34730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:18, skipping insertion in model container [2024-11-13 21:19:18,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:19:18" (1/1) ... [2024-11-13 21:19:18,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:19:19,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:19:19,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:19:19,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:19:19,539 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:19:19,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19 WrapperNode [2024-11-13 21:19:19,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:19:19,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:19:19,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:19:19,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:19:19,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,630 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-11-13 21:19:19,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:19:19,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:19:19,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:19:19,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:19:19,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:19:19,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:19:19,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:19:19,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:19:19,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:19" (1/1) ... [2024-11-13 21:19:19,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:19:19,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:19:19,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:19:19,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:19:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:19:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:19:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:19:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:19:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:19:19,988 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:19:19,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:19:20,278 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 21:19:20,278 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:19:20,637 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:19:20,638 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:19:20,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:19:20 BoogieIcfgContainer [2024-11-13 21:19:20,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:19:20,639 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:19:20,639 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:19:20,653 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:19:20,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:19:20" (1/1) ... [2024-11-13 21:19:20,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:19:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:19:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:19:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:19:20,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:19:20,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:19:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:19:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:19:21,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:19:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:19:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:19:21,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:19:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:19:21,369 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:19:21,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:19:21 ImpRootNode [2024-11-13 21:19:21,398 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:19:21,400 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:19:21,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:19:21,402 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:19:21,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:19:20" (3/4) ... [2024-11-13 21:19:21,405 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:19:21,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:19:21,407 INFO L158 Benchmark]: Toolchain (without parser) took 3220.66ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 104.9MB in the end (delta: 11.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-13 21:19:21,409 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:19:21,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1352.18ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.9MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:19:21,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.71ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:19:21,411 INFO L158 Benchmark]: Boogie Preprocessor took 38.57ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 52.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:19:21,414 INFO L158 Benchmark]: RCFGBuilder took 968.39ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 79.4MB in the end (delta: -27.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 21:19:21,415 INFO L158 Benchmark]: CodeCheck took 758.86ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 105.1MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:19:21,415 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.9MB in the end (delta: 13.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:19:21,417 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, 14 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, 7 NumberOfCodeBlocks, 7 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 1569, overapproximation of bitwiseOr at line 1555. 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); [L1548] static int staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1352.18ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.9MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.71ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.57ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 52.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 968.39ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 79.4MB in the end (delta: -27.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 758.86ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 105.1MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.9MB in the end (delta: 13.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:19:21,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:19:24,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:19:24,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:19:24,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:19:24,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:19:24,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:19:24,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:19:24,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:19:24,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:19:24,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:19:24,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:19:24,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:19:24,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:19:24,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:19:24,459 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:19:24,459 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:19:24,459 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:19:24,459 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:19:24,459 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:19:24,460 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:19:24,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:19:24,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:19:24,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:19:24,460 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:19:24,460 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:19:24,460 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:19:24,461 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:19:24,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:19:24,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:19:24,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:19:24,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:19:24,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:19:24,462 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:19:24,462 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:19:24,462 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:19:24,462 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_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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 -> 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca [2024-11-13 21:19:24,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:19:24,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:19:24,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:19:24,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:19:24,805 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:19:24,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i Unable to find full path for "g++" [2024-11-13 21:19:26,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:19:27,472 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:19:27,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i [2024-11-13 21:19:27,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/data/a26fca0cc/0110fbcfb7ec495f97d04724764418ea/FLAG2daea4c01 [2024-11-13 21:19:27,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/data/a26fca0cc/0110fbcfb7ec495f97d04724764418ea [2024-11-13 21:19:27,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:19:27,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:19:27,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:19:27,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:19:27,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:19:27,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:19:27" (1/1) ... [2024-11-13 21:19:27,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5f5bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:27, skipping insertion in model container [2024-11-13 21:19:27,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:19:27" (1/1) ... [2024-11-13 21:19:27,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:19:28,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:19:28,662 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:19:28,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:19:28,926 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:19:28,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28 WrapperNode [2024-11-13 21:19:28,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:19:28,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:19:28,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:19:28,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:19:28,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:28,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:28,976 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-13 21:19:28,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:19:28,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:19:28,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:19:28,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:19:28,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:28,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:28,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:28,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:29,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:29,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:29,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:29,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:29,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:19:29,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:19:29,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:19:29,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:19:29,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:28" (1/1) ... [2024-11-13 21:19:29,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:19:29,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:19:29,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:19:29,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:19:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:19:29,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:19:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:19:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:19:29,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:19:29,242 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:19:29,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:19:29,417 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 21:19:29,417 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:19:29,544 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:19:29,544 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:19:29,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:19:29 BoogieIcfgContainer [2024-11-13 21:19:29,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:19:29,546 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:19:29,546 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:19:29,558 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:19:29,558 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:19:29" (1/1) ... [2024-11-13 21:19:29,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:19:29,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:19:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:19:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:19:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:19:29,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:19:29,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:19:29,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:19:29,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:19:29,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:19:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:19:29,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:19:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:19:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:19:30,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:19:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:19:30,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:19:30,106 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:19:30,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:19:30 ImpRootNode [2024-11-13 21:19:30,144 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:19:30,146 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:19:30,146 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:19:30,146 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:19:30,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:19:29" (3/4) ... [2024-11-13 21:19:30,150 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:19:30,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:19:30,154 INFO L158 Benchmark]: Toolchain (without parser) took 2590.81ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 79.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-13 21:19:30,155 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:19:30,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1363.41ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 80.2MB in the end (delta: 10.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 21:19:30,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.01ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:19:30,156 INFO L158 Benchmark]: Boogie Preprocessor took 42.46ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:19:30,156 INFO L158 Benchmark]: RCFGBuilder took 524.41ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 56.9MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:19:30,157 INFO L158 Benchmark]: CodeCheck took 597.35ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 79.4MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:19:30,157 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.4MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:19:30,162 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 7 NumberOfCodeBlocks, 7 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 1569. 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); [L1548] static int staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1363.41ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 80.2MB in the end (delta: 10.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.01ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.46ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 524.41ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 56.9MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 597.35ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 79.4MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.4MB 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 21:19:30,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f7561fe-9e0f-4426-a18a-3d3fcd719f55/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