./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_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_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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 5648b60e922b7d350285293484e796b30bc8f7ce5e6c9f102fdb31b8c9150201 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:23:14,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:23:14,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:23:14,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:23:14,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:23:14,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:23:14,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:23:14,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:23:14,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:23:14,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:23:14,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:23:14,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:23:14,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:23:14,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:23:14,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:23:14,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:23:14,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:23:14,221 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:23:14,221 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:23:14,221 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:23:14,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:23:14,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:23:14,222 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:23:14,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:23:14,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:23:14,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:23:14,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:14,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:23:14,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:23:14,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:23:14,225 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:23:14,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:23:14,225 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_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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 -> 5648b60e922b7d350285293484e796b30bc8f7ce5e6c9f102fdb31b8c9150201 [2024-11-13 20:23:14,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:23:14,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:23:14,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:23:14,547 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:23:14,547 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:23:14,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i Unable to find full path for "g++" [2024-11-13 20:23:16,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:23:16,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:23:16,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i [2024-11-13 20:23:17,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/data/a6e8aa0c9/9bbc451df0584bb7bfa7ec833f4de1f0/FLAGbc59094f0 [2024-11-13 20:23:17,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/data/a6e8aa0c9/9bbc451df0584bb7bfa7ec833f4de1f0 [2024-11-13 20:23:17,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:23:17,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:23:17,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:17,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:23:17,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:23:17,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:17" (1/1) ... [2024-11-13 20:23:17,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346e936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:17, skipping insertion in model container [2024-11-13 20:23:17,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:17" (1/1) ... [2024-11-13 20:23:17,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:23:17,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:17,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:23:18,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:18,191 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:23:18,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18 WrapperNode [2024-11-13 20:23:18,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:18,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:18,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:23:18,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:23:18,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,257 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-13 20:23:18,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:18,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:23:18,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:23:18,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:23:18,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:23:18,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:23:18,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:23:18,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:23:18,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:18,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:18,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:23:18,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:23:18,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:23:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:23:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:23:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:23:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:23:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:23:18,487 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:23:18,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:23:18,695 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-13 20:23:18,695 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:23:18,966 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:23:18,967 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:23:18,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:18 BoogieIcfgContainer [2024-11-13 20:23:18,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:23:18,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:23:18,968 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:23:19,001 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:23:19,002 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:18" (1/1) ... [2024-11-13 20:23:19,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:23:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:23:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:23:19,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:23:19,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:19,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:23:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:19,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:23:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:19,683 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:23:19,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:23:19 ImpRootNode [2024-11-13 20:23:19,722 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:23:19,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:23:19,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:23:19,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:23:19,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:18" (3/4) ... [2024-11-13 20:23:19,728 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:23:19,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:23:19,730 INFO L158 Benchmark]: Toolchain (without parser) took 2684.37ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.6MB in the beginning and 287.2MB in the end (delta: -196.6MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2024-11-13 20:23:19,731 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:19,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1144.35ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 81.5MB in the end (delta: 8.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:23:19,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.29ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 78.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:23:19,735 INFO L158 Benchmark]: Boogie Preprocessor took 38.22ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:19,735 INFO L158 Benchmark]: RCFGBuilder took 670.06ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 38.7MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:23:19,735 INFO L158 Benchmark]: CodeCheck took 754.13ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 38.5MB in the beginning and 287.2MB in the end (delta: -248.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:19,736 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 352.3MB. Free memory is still 287.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:19,740 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1582]: 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 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_sub_54e_badSink(data) [L1582] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1144.35ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 81.5MB in the end (delta: 8.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.29ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 78.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.22ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 670.06ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 38.7MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 754.13ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 38.5MB in the beginning and 287.2MB in the end (delta: -248.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 352.3MB. Free memory is still 287.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:23:19,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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 5648b60e922b7d350285293484e796b30bc8f7ce5e6c9f102fdb31b8c9150201 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:23:22,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:23:22,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:23:22,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:23:22,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:23:22,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:23:22,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:23:22,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:23:22,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:23:22,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:23:22,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:23:22,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:23:22,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:23:22,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:23:22,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:23:22,518 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:23:22,518 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:22,519 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:23:22,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:23:22,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:22,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:23:22,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:23:22,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:23:22,519 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:23:22,519 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:22,520 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:23:22,520 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_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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 -> 5648b60e922b7d350285293484e796b30bc8f7ce5e6c9f102fdb31b8c9150201 [2024-11-13 20:23:22,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:23:22,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:23:22,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:23:22,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:23:22,825 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:23:22,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i Unable to find full path for "g++" [2024-11-13 20:23:24,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:23:25,206 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:23:25,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i [2024-11-13 20:23:25,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/data/e31529165/552b277629284d1a80795b154fa44468/FLAGeaa76d415 [2024-11-13 20:23:25,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/data/e31529165/552b277629284d1a80795b154fa44468 [2024-11-13 20:23:25,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:23:25,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:23:25,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:25,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:23:25,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:23:25,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:25" (1/1) ... [2024-11-13 20:23:25,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2298951c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:25, skipping insertion in model container [2024-11-13 20:23:25,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:25" (1/1) ... [2024-11-13 20:23:25,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:23:26,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:26,203 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:23:26,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:26,534 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:23:26,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26 WrapperNode [2024-11-13 20:23:26,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:26,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:26,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:23:26,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:23:26,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,607 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 64 [2024-11-13 20:23:26,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:26,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:23:26,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:23:26,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:23:26,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:23:26,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:23:26,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:23:26,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:23:26,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:26" (1/1) ... [2024-11-13 20:23:26,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:26,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:23:26,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:23:26,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:23:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:23:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:23:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:23:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:23:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:23:26,896 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:23:26,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:23:27,056 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-13 20:23:27,056 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:23:27,193 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:23:27,193 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:23:27,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:27 BoogieIcfgContainer [2024-11-13 20:23:27,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:23:27,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:23:27,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:23:27,205 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:23:27,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:27" (1/1) ... [2024-11-13 20:23:27,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:23:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:23:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:23:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:23:27,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:27,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:27,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:27,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:27,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:23:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:27,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:23:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:27,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:23:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:27,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:23:27,628 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:23:27,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:23:27 ImpRootNode [2024-11-13 20:23:27,652 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:23:27,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:23:27,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:23:27,653 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:23:27,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:27" (3/4) ... [2024-11-13 20:23:27,655 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:23:27,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:23:27,657 INFO L158 Benchmark]: Toolchain (without parser) took 2383.73ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 37.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-13 20:23:27,658 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:27,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1259.42ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 50.2MB in the end (delta: 6.4MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 20:23:27,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.47ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:27,659 INFO L158 Benchmark]: Boogie Preprocessor took 46.96ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:23:27,659 INFO L158 Benchmark]: RCFGBuilder took 536.43ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 50.9MB in the end (delta: -5.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-13 20:23:27,660 INFO L158 Benchmark]: CodeCheck took 457.97ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 37.4MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:23:27,660 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 83.9MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:27,662 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1582]: 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 1559. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_sub_54e_badSink(data) [L1582] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1259.42ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 50.2MB in the end (delta: 6.4MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.47ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.96ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 536.43ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 50.9MB in the end (delta: -5.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * CodeCheck took 457.97ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 37.4MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 83.9MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:23:27,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3f7b28-c694-4af9-9a6c-21f4b7796908/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