./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_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_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/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_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/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_371379ef-874b-44d6-bb7b-c8538e7a99c8/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 b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:08:17,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:08:17,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:08:17,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:08:17,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:08:17,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:08:17,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:08:17,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:08:17,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:08:17,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:08:17,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:08:17,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:08:17,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:08:17,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:08:17,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:08:17,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:08:17,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:08:17,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:08:17,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:08:17,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:08:17,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:08:17,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:08:17,147 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:08:17,147 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:08:17,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:08:17,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:08:17,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:08:17,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:08:17,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:08:17,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:08:17,148 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:08:17,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:08:17,148 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_371379ef-874b-44d6-bb7b-c8538e7a99c8/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 -> b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 [2024-11-13 23:08:17,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:08:17,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:08:17,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:08:17,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:08:17,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:08:17,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i Unable to find full path for "g++" [2024-11-13 23:08:19,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:08:19,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:08:19,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2024-11-13 23:08:19,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/data/c5803473e/6eaf7687b9b241f684d23d5b2d2f6041/FLAGfa0f9ad9e [2024-11-13 23:08:19,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/data/c5803473e/6eaf7687b9b241f684d23d5b2d2f6041 [2024-11-13 23:08:19,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:08:19,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:08:19,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:08:19,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:08:19,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:08:19,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:08:19" (1/1) ... [2024-11-13 23:08:19,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f035c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:19, skipping insertion in model container [2024-11-13 23:08:19,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:08:19" (1/1) ... [2024-11-13 23:08:19,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:08:20,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:08:20,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:08:21,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:08:21,162 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:08:21,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21 WrapperNode [2024-11-13 23:08:21,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:08:21,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:08:21,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:08:21,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:08:21,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,234 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-11-13 23:08:21,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:08:21,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:08:21,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:08:21,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:08:21,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:08:21,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:08:21,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:08:21,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:08:21,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:21" (1/1) ... [2024-11-13 23:08:21,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:08:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:08:21,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:08:21,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:08:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:08:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:08:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:08:21,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:08:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:08:21,518 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:08:21,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:08:21,787 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-13 23:08:21,787 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:08:22,056 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:08:22,056 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:08:22,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:08:22 BoogieIcfgContainer [2024-11-13 23:08:22,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:08:22,057 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:08:22,057 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:08:22,068 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:08:22,069 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:08:22" (1/1) ... [2024-11-13 23:08:22,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:08:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:08:22,137 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:08:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:08:22,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:22,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:08:22,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:08:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:08:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:08:22,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:08:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:08:22,814 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:08:22,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:08:22 ImpRootNode [2024-11-13 23:08:22,850 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:08:22,851 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:08:22,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:08:22,852 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:08:22,853 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:08:22" (3/4) ... [2024-11-13 23:08:22,855 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:08:22,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:08:22,857 INFO L158 Benchmark]: Toolchain (without parser) took 2934.47ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 103.6MB in the end (delta: 12.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-13 23:08:22,859 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:22,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1239.30ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 56.2MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 23:08:22,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.78ms. Allocated memory is still 142.6MB. Free memory was 56.0MB in the beginning and 53.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:08:22,861 INFO L158 Benchmark]: Boogie Preprocessor took 21.19ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 52.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:22,865 INFO L158 Benchmark]: RCFGBuilder took 799.53ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 83.2MB in the end (delta: -31.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 23:08:22,865 INFO L158 Benchmark]: CodeCheck took 792.60ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 103.6MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:22,865 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:22,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: 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 1566, overapproximation of bitwiseOr at line 1552. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1556] 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] [L1558] 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 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1239.30ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 56.2MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.78ms. Allocated memory is still 142.6MB. Free memory was 56.0MB in the beginning and 53.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.19ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 52.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 799.53ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 83.2MB in the end (delta: -31.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 792.60ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 103.6MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:08:22,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/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_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/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_371379ef-874b-44d6-bb7b-c8538e7a99c8/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 b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:08:25,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:08:25,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:08:25,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:08:25,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:08:25,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:08:25,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:08:25,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:08:25,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:08:25,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:08:25,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:08:25,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:08:25,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:08:25,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:08:25,733 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:08:25,733 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:08:25,734 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:08:25,734 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:08:25,734 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:08:25,734 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:08:25,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:08:25,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:08:25,734 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:08:25,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:08:25,735 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:08:25,735 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:08:25,735 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:08:25,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:08:25,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:08:25,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:08:25,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:08:25,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:08:25,736 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:08:25,736 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:08:25,737 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:08:25,737 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_371379ef-874b-44d6-bb7b-c8538e7a99c8/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 -> b1931d5f118dbfaafe98b2f21abc5fff2e9353c5c0dd8960ae4e763a1a3c7568 [2024-11-13 23:08:26,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:08:26,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:08:26,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:08:26,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:08:26,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:08:26,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i Unable to find full path for "g++" [2024-11-13 23:08:28,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:08:28,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:08:28,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_31_bad.i [2024-11-13 23:08:28,520 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/data/05459dbaa/a1f76c75525940e38271fcb4ea173828/FLAGa039c9eae [2024-11-13 23:08:28,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/data/05459dbaa/a1f76c75525940e38271fcb4ea173828 [2024-11-13 23:08:28,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:08:28,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:08:28,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:08:28,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:08:28,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:08:28,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:08:28" (1/1) ... [2024-11-13 23:08:28,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402aac4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:28, skipping insertion in model container [2024-11-13 23:08:28,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:08:28" (1/1) ... [2024-11-13 23:08:28,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:08:29,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:08:29,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:08:29,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:08:30,024 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:08:30,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30 WrapperNode [2024-11-13 23:08:30,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:08:30,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:08:30,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:08:30,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:08:30,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,098 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-13 23:08:30,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:08:30,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:08:30,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:08:30,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:08:30,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:08:30,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:08:30,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:08:30,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:08:30,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:08:30,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:08:30,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:08:30,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:08:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:08:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:08:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:08:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:08:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:08:30,386 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:08:30,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:08:30,513 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 23:08:30,513 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:08:30,575 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:08:30,576 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:08:30,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:08:30 BoogieIcfgContainer [2024-11-13 23:08:30,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:08:30,577 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:08:30,577 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:08:30,596 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:08:30,596 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:08:30" (1/1) ... [2024-11-13 23:08:30,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:08:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:08:30,654 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:08:30,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:08:30,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:30,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:08:30,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:08:30,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:08:30,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:08:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:08:30,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:08:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:08:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:08:30,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:08:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:08:31,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:08:31,048 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:08:31,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:08:31 ImpRootNode [2024-11-13 23:08:31,083 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:08:31,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:08:31,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:08:31,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:08:31,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:08:30" (3/4) ... [2024-11-13 23:08:31,089 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:08:31,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:08:31,093 INFO L158 Benchmark]: Toolchain (without parser) took 2540.13ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 39.0MB in the end (delta: 18.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-13 23:08:31,093 INFO L158 Benchmark]: CDTParser took 4.33ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:31,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1472.81ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 23:08:31,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.96ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:31,094 INFO L158 Benchmark]: Boogie Preprocessor took 48.48ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:31,094 INFO L158 Benchmark]: RCFGBuilder took 425.58ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 29.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:08:31,095 INFO L158 Benchmark]: CodeCheck took 507.13ms. Allocated memory is still 83.9MB. Free memory was 29.5MB in the beginning and 39.4MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:31,095 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 39.0MB in the end (delta: 418.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:08:31,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] 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 4.33ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1472.81ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.96ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.48ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.58ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 29.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 507.13ms. Allocated memory is still 83.9MB. Free memory was 29.5MB in the beginning and 39.4MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 39.0MB in the end (delta: 418.0kB). 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 23:08:31,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_371379ef-874b-44d6-bb7b-c8538e7a99c8/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