./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_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_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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 52b77f128d006585c4f7a83155b01083f05485a71c2322329b60fddad22988bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:46:10,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:46:10,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:46:10,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:46:10,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:46:10,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:46:10,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:46:10,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:46:10,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:46:10,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:46:10,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:46:10,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:46:10,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:46:10,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:46:10,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:46:10,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:46:10,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:46:10,254 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:46:10,254 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:46:10,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:46:10,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:46:10,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:46:10,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:46:10,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:46:10,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:46:10,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:46:10,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:10,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:46:10,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:46:10,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:46:10,256 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:46:10,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:46:10,256 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_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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 -> 52b77f128d006585c4f7a83155b01083f05485a71c2322329b60fddad22988bd [2024-11-13 22:46:10,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:46:10,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:46:10,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:46:10,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:46:10,689 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:46:10,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i Unable to find full path for "g++" [2024-11-13 22:46:13,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:46:13,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:46:13,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i [2024-11-13 22:46:13,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/data/58a01182d/a4de9659d99c4df79f68fff83aa8f6da/FLAGd78a9870d [2024-11-13 22:46:13,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/data/58a01182d/a4de9659d99c4df79f68fff83aa8f6da [2024-11-13 22:46:13,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:46:13,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:46:13,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:13,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:46:13,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:46:13,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:13" (1/1) ... [2024-11-13 22:46:13,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272f70b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:13, skipping insertion in model container [2024-11-13 22:46:13,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:13" (1/1) ... [2024-11-13 22:46:13,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:46:14,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:14,447 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:46:14,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:14,730 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:46:14,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14 WrapperNode [2024-11-13 22:46:14,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:14,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:14,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:46:14,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:46:14,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,789 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-11-13 22:46:14,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:14,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:46:14,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:46:14,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:46:14,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:46:14,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:46:14,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:46:14,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:46:14,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:14" (1/1) ... [2024-11-13 22:46:14,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:14,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:46:14,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:46:14,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:46:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:46:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:46:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:46:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:46:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:46:15,039 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:46:15,041 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:46:15,265 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 22:46:15,265 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:46:15,638 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:46:15,638 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:46:15,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:15 BoogieIcfgContainer [2024-11-13 22:46:15,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:46:15,639 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:46:15,639 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:46:15,648 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:46:15,649 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:15" (1/1) ... [2024-11-13 22:46:15,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:46:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:46:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:46:15,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:46:15,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:15,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:16,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:46:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:16,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:46:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:16,332 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:46:16,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:46:16 ImpRootNode [2024-11-13 22:46:16,364 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:46:16,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:46:16,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:46:16,366 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:46:16,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:15" (3/4) ... [2024-11-13 22:46:16,369 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:46:16,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:46:16,371 INFO L158 Benchmark]: Toolchain (without parser) took 2862.48ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 41.4MB in the end (delta: 47.8MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-13 22:46:16,373 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:16,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1221.95ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 78.9MB in the end (delta: 10.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 22:46:16,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.88ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:16,375 INFO L158 Benchmark]: Boogie Preprocessor took 21.99ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 75.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:16,377 INFO L158 Benchmark]: RCFGBuilder took 826.21ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 83.2MB in the end (delta: -8.2MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-13 22:46:16,377 INFO L158 Benchmark]: CodeCheck took 725.20ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 42.1MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:46:16,380 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 117.4MB. Free memory was 42.1MB in the beginning and 41.4MB in the end (delta: 636.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:16,382 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_predec_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 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, 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 1.29ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1221.95ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 78.9MB in the end (delta: 10.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.88ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.99ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 75.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 826.21ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 83.2MB in the end (delta: -8.2MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * CodeCheck took 725.20ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 42.1MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 117.4MB. Free memory was 42.1MB in the beginning and 41.4MB in the end (delta: 636.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:46:16,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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 52b77f128d006585c4f7a83155b01083f05485a71c2322329b60fddad22988bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:46:19,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:46:19,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:46:19,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:46:19,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:46:19,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:46:19,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:46:19,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:46:19,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:46:19,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:46:19,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:46:19,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:46:19,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:46:19,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:46:19,922 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:46:19,922 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:46:19,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:46:19,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:46:19,922 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:46:19,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:46:19,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:46:19,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:46:19,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:46:19,923 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:46:19,923 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:46:19,923 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:19,923 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:46:19,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:46:19,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:19,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:46:19,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:46:19,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:46:19,925 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:46:19,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:19,926 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:46:19,926 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_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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 -> 52b77f128d006585c4f7a83155b01083f05485a71c2322329b60fddad22988bd [2024-11-13 22:46:20,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:46:20,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:46:20,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:46:20,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:46:20,307 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:46:20,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i Unable to find full path for "g++" [2024-11-13 22:46:22,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:46:22,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:46:22,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i [2024-11-13 22:46:22,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/data/45833c5cf/d4c6f05c8194495585740c166ab2c742/FLAGaf4844c67 [2024-11-13 22:46:22,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/data/45833c5cf/d4c6f05c8194495585740c166ab2c742 [2024-11-13 22:46:22,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:46:22,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:46:22,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:22,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:46:22,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:46:22,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:22" (1/1) ... [2024-11-13 22:46:22,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606c29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:22, skipping insertion in model container [2024-11-13 22:46:22,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:22" (1/1) ... [2024-11-13 22:46:22,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:46:24,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:24,207 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:46:24,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:24,512 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:46:24,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24 WrapperNode [2024-11-13 22:46:24,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:24,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:24,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:46:24,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:46:24,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,565 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-13 22:46:24,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:24,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:46:24,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:46:24,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:46:24,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:46:24,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:46:24,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:46:24,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:46:24,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:24,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:46:24,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:46:24,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:46:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:46:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:46:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:46:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:46:24,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:46:24,844 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:46:24,846 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:46:25,040 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 22:46:25,040 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:46:25,147 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:46:25,149 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:46:25,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:25 BoogieIcfgContainer [2024-11-13 22:46:25,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:46:25,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:46:25,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:46:25,164 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:46:25,164 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:25" (1/1) ... [2024-11-13 22:46:25,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:46:25,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:46:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:46:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:46:25,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:25,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:25,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:46:25,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:46:25,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:46:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:25,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:46:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:25,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:46:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:25,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:46:25,764 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:46:25,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:46:25 ImpRootNode [2024-11-13 22:46:25,807 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:46:25,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:46:25,809 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:46:25,810 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:46:25,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:25" (3/4) ... [2024-11-13 22:46:25,814 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:46:25,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:46:25,817 INFO L158 Benchmark]: Toolchain (without parser) took 2925.79ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 79.7MB in the end (delta: 10.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-13 22:46:25,820 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:25,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1621.15ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 79.5MB in the end (delta: 10.3MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-11-13 22:46:25,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.30ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:25,821 INFO L158 Benchmark]: Boogie Preprocessor took 26.81ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:25,822 INFO L158 Benchmark]: RCFGBuilder took 555.15ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 56.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:46:25,822 INFO L158 Benchmark]: CodeCheck took 656.16ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 80.3MB in the end (delta: -23.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:25,823 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 638.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:25,829 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: 0.6s, 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, 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_predec_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 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, 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 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1621.15ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 79.5MB in the end (delta: 10.3MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.30ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.81ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 555.15ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 56.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 656.16ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 80.3MB in the end (delta: -23.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 638.7kB). 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 22:46:25,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c3e49fc-4db9-499e-99ef-0276a5bfa00c/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