./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_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_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/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_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/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_ac9338ba-83b4-4b32-b716-042b95f0bb82/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 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:24,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:24,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:33:24,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:33:24,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:33:24,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:24,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:24,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:24,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:24,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:24,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:24,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:24,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:33:24,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:24,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:24,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:24,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:24,503 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:24,503 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:33:24,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:33:24,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:24,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:24,504 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:24,504 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:24,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:24,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:24,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:24,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:24,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:24,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:24,505 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:33:24,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:33:24,505 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_ac9338ba-83b4-4b32-b716-042b95f0bb82/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 -> 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 [2024-11-13 22:33:24,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:24,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:24,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:24,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:24,871 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:24,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i Unable to find full path for "g++" [2024-11-13 22:33:26,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:27,371 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:27,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-11-13 22:33:27,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/data/b9eb41a05/badafa4506fa4cbeb75cb81ce07a2c2a/FLAG5e7bb23f3 [2024-11-13 22:33:27,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/data/b9eb41a05/badafa4506fa4cbeb75cb81ce07a2c2a [2024-11-13 22:33:27,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:27,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:27,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:27,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:27,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:27,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:27" (1/1) ... [2024-11-13 22:33:27,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32326c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:27, skipping insertion in model container [2024-11-13 22:33:27,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:27" (1/1) ... [2024-11-13 22:33:27,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:28,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:28,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:29,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:29,143 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:29,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29 WrapperNode [2024-11-13 22:33:29,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:29,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:29,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:29,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:29,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,197 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-13 22:33:29,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:29,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:29,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:29,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:29,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:29,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:29,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:29,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:29,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:29" (1/1) ... [2024-11-13 22:33:29,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:29,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:29,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:29,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:33:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:33:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:29,501 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:29,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:29,849 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:29,849 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:30,272 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:30,273 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:33:30,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:30 BoogieIcfgContainer [2024-11-13 22:33:30,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:30,274 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:30,275 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:30,285 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:30,286 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:30" (1/1) ... [2024-11-13 22:33:30,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 22:33:30,349 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 22:33:30,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:33:30,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:30,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:30,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:31,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:31,117 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:33:31,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:33:31 ImpRootNode [2024-11-13 22:33:31,158 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:33:31,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:33:31,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:33:31,161 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:33:31,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:30" (3/4) ... [2024-11-13 22:33:31,165 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:33:31,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:33:31,167 INFO L158 Benchmark]: Toolchain (without parser) took 3290.72ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 80.2MB in the end (delta: 16.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:31,167 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:31,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1266.99ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 36.9MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:33:31,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.97ms. Allocated memory is still 142.6MB. Free memory was 36.9MB in the beginning and 34.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:31,172 INFO L158 Benchmark]: Boogie Preprocessor took 25.36ms. Allocated memory is still 142.6MB. Free memory was 34.1MB in the beginning and 33.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:31,172 INFO L158 Benchmark]: RCFGBuilder took 1049.95ms. Allocated memory is still 142.6MB. Free memory was 32.7MB in the beginning and 61.0MB in the end (delta: -28.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-13 22:33:31,173 INFO L158 Benchmark]: CodeCheck took 884.01ms. Allocated memory is still 142.6MB. Free memory was 61.0MB in the beginning and 80.2MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:31,173 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 80.2MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:31,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==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] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1266.99ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 36.9MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.97ms. Allocated memory is still 142.6MB. Free memory was 36.9MB in the beginning and 34.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.36ms. Allocated memory is still 142.6MB. Free memory was 34.1MB in the beginning and 33.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1049.95ms. Allocated memory is still 142.6MB. Free memory was 32.7MB in the beginning and 61.0MB in the end (delta: -28.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * CodeCheck took 884.01ms. Allocated memory is still 142.6MB. Free memory was 61.0MB in the beginning and 80.2MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 80.2MB in the end (delta: 24.0kB). 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 22:33:31,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/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_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/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_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/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_ac9338ba-83b4-4b32-b716-042b95f0bb82/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 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:34,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:34,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:33:34,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:34,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:34,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:34,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:34,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:34,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:34,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:34,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:34,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:34,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:34,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:34,408 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:33:34,408 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:33:34,408 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:34,409 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:33:34,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:33:34,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:33:34,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:34,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:34,410 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:34,410 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:34,411 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:34,411 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:34,411 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:33:34,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:34,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:34,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:34,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:34,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:34,412 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:33:34,412 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:34,412 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:33:34,412 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_ac9338ba-83b4-4b32-b716-042b95f0bb82/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 -> 4d793b2a4f426db247cca2c919aa14670e96346614ddfc42a4546ab86f225ef0 [2024-11-13 22:33:34,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:34,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:34,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:34,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:34,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:34,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i Unable to find full path for "g++" [2024-11-13 22:33:37,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:37,769 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:37,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_13_bad.i [2024-11-13 22:33:37,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/data/b82b89492/ce30fb94f9ed47e5984d20f0a964c149/FLAG3a633cfba [2024-11-13 22:33:37,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/data/b82b89492/ce30fb94f9ed47e5984d20f0a964c149 [2024-11-13 22:33:37,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:37,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:37,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:37,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:37,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:37,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:37" (1/1) ... [2024-11-13 22:33:37,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab26d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:37, skipping insertion in model container [2024-11-13 22:33:37,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:37" (1/1) ... [2024-11-13 22:33:37,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:39,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:39,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:39,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:39,923 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:39,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39 WrapperNode [2024-11-13 22:33:39,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:39,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:39,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:39,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:39,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:39,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,003 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-13 22:33:40,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:40,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:40,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:40,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:40,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:40,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:40,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:40,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:40,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:39" (1/1) ... [2024-11-13 22:33:40,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:40,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:40,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:40,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:33:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:33:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:40,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:40,392 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:40,394 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:40,611 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:40,611 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:40,735 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:40,738 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:33:40,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:40 BoogieIcfgContainer [2024-11-13 22:33:40,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:40,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:40,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:40,763 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:40,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:40" (1/1) ... [2024-11-13 22:33:40,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:40,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 22:33:40,820 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 22:33:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:33:40,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:40,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:40,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:40,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:40,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:33:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:41,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:41,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:41,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:33:41,347 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:33:41,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:33:41 ImpRootNode [2024-11-13 22:33:41,395 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:33:41,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:33:41,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:33:41,398 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:33:41,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:40" (3/4) ... [2024-11-13 22:33:41,403 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:33:41,404 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:33:41,405 INFO L158 Benchmark]: Toolchain (without parser) took 3558.55ms. Allocated memory is still 83.9MB. Free memory was 55.8MB in the beginning and 37.2MB in the end (delta: 18.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-13 22:33:41,406 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:41,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2074.14ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 50.2MB in the end (delta: 5.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:41,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.01ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:41,411 INFO L158 Benchmark]: Boogie Preprocessor took 32.84ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:41,411 INFO L158 Benchmark]: RCFGBuilder took 700.26ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 28.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:33:41,412 INFO L158 Benchmark]: CodeCheck took 655.76ms. Allocated memory is still 83.9MB. Free memory was 28.2MB in the beginning and 37.6MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:41,412 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 37.2MB in the end (delta: 422.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:41,414 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2074.14ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 50.2MB in the end (delta: 5.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.01ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 47.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.84ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 700.26ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 28.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 655.76ms. Allocated memory is still 83.9MB. Free memory was 28.2MB in the beginning and 37.6MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 37.2MB in the end (delta: 422.2kB). 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 22:33:41,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9338ba-83b4-4b32-b716-042b95f0bb82/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample