./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_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_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/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_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/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_6a6279d4-d092-4b54-a992-efdcfec323e8/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:50:27,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:50:27,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:50:27,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:50:27,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:50:27,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:50:27,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:50:27,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:50:27,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:50:27,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:50:27,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:50:27,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:50:27,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:50:27,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:50:27,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:50:27,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:50:27,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:50:27,185 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:50:27,186 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:50:27,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:50:27,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:50:27,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:50:27,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:50:27,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:50:27,187 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:50:27,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:50:27,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:27,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:50:27,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:50:27,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:50:27,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:50:27,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:50:27,188 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_6a6279d4-d092-4b54-a992-efdcfec323e8/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 -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2024-11-13 16:50:27,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:50:27,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:50:27,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:50:27,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:50:27,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:50:27,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i Unable to find full path for "g++" [2024-11-13 16:50:29,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:50:30,394 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:50:30,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-11-13 16:50:30,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/data/68afa4cd6/a089784ab79242bb9e0f911a58da7ddb/FLAG831a52bc9 [2024-11-13 16:50:30,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/data/68afa4cd6/a089784ab79242bb9e0f911a58da7ddb [2024-11-13 16:50:30,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:50:30,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:50:30,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:30,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:50:30,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:50:30,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:30" (1/1) ... [2024-11-13 16:50:30,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671051d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:30, skipping insertion in model container [2024-11-13 16:50:30,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:30" (1/1) ... [2024-11-13 16:50:30,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:50:31,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:31,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:50:31,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:31,927 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:50:31,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31 WrapperNode [2024-11-13 16:50:31,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:31,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:31,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:50:31,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:50:31,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:31,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:31,991 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-13 16:50:31,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:31,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:50:31,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:50:31,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:50:32,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:32,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:32,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:32,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:32,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:32,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:32,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:32,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:32,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:50:32,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:50:32,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:50:32,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:50:32,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:31" (1/1) ... [2024-11-13 16:50:32,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:32,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:50:32,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:50:32,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:50:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:50:32,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:50:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:50:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:50:32,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:50:32,303 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:50:32,306 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:50:32,642 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-13 16:50:32,642 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:50:33,067 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:50:33,067 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:50:33,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:33 BoogieIcfgContainer [2024-11-13 16:50:33,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:50:33,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:50:33,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:50:33,084 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:50:33,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:33" (1/1) ... [2024-11-13 16:50:33,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:50:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:50:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:50:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:50:33,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:33,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:33,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:33,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:33,994 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:50:34,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:50:34 ImpRootNode [2024-11-13 16:50:34,039 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:50:34,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:50:34,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:50:34,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:50:34,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:33" (3/4) ... [2024-11-13 16:50:34,047 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:50:34,048 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:50:34,049 INFO L158 Benchmark]: Toolchain (without parser) took 3599.25ms. Allocated memory is still 109.1MB. Free memory was 80.0MB in the beginning and 29.6MB in the end (delta: 50.4MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-13 16:50:34,050 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:34,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1476.25ms. Allocated memory is still 109.1MB. Free memory was 80.0MB in the beginning and 63.0MB in the end (delta: 17.0MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 16:50:34,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.30ms. Allocated memory is still 109.1MB. Free memory was 63.0MB in the beginning and 59.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:34,051 INFO L158 Benchmark]: Boogie Preprocessor took 27.69ms. Allocated memory is still 109.1MB. Free memory was 59.9MB in the beginning and 58.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:34,055 INFO L158 Benchmark]: RCFGBuilder took 1047.75ms. Allocated memory is still 109.1MB. Free memory was 58.7MB in the beginning and 70.7MB in the end (delta: -12.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-11-13 16:50:34,056 INFO L158 Benchmark]: CodeCheck took 970.29ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 29.6MB in the end (delta: 41.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:50:34,056 INFO L158 Benchmark]: Witness Printer took 6.90ms. Allocated memory is still 109.1MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:34,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1560, 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [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)) [L1555] CALL funcPtr(data) [L1568] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * 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 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1476.25ms. Allocated memory is still 109.1MB. Free memory was 80.0MB in the beginning and 63.0MB in the end (delta: 17.0MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.30ms. Allocated memory is still 109.1MB. Free memory was 63.0MB in the beginning and 59.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.69ms. Allocated memory is still 109.1MB. Free memory was 59.9MB in the beginning and 58.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1047.75ms. Allocated memory is still 109.1MB. Free memory was 58.7MB in the beginning and 70.7MB in the end (delta: -12.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * CodeCheck took 970.29ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 29.6MB in the end (delta: 41.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.90ms. Allocated memory is still 109.1MB. Free memory is still 29.6MB. 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 16:50:34,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/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_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/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_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/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_6a6279d4-d092-4b54-a992-efdcfec323e8/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:50:36,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:50:36,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:50:37,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:50:37,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:50:37,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:50:37,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:50:37,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:50:37,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:50:37,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:50:37,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:50:37,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:50:37,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:50:37,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:50:37,030 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:50:37,030 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:50:37,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:50:37,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:50:37,030 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:50:37,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:50:37,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:50:37,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:50:37,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:50:37,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:50:37,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:50:37,031 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:37,031 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:50:37,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:50:37,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:37,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:50:37,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:50:37,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:50:37,037 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:50:37,037 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:37,037 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:50:37,037 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_6a6279d4-d092-4b54-a992-efdcfec323e8/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 -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2024-11-13 16:50:37,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:50:37,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:50:37,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:50:37,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:50:37,402 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:50:37,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i Unable to find full path for "g++" [2024-11-13 16:50:39,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:50:39,846 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:50:39,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-11-13 16:50:39,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/data/382702a5c/61af16635dd14c51b69e33b4d5afdd08/FLAG9752e9919 [2024-11-13 16:50:39,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/data/382702a5c/61af16635dd14c51b69e33b4d5afdd08 [2024-11-13 16:50:39,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:50:39,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:50:39,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:39,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:50:39,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:50:39,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:39" (1/1) ... [2024-11-13 16:50:39,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2ba937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:39, skipping insertion in model container [2024-11-13 16:50:39,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:39" (1/1) ... [2024-11-13 16:50:39,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:50:40,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:40,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:50:41,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:41,202 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:50:41,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41 WrapperNode [2024-11-13 16:50:41,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:41,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:41,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:50:41,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:50:41,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,273 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-11-13 16:50:41,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:41,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:50:41,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:50:41,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:50:41,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:50:41,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:50:41,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:50:41,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:50:41,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:41,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:50:41,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:50:41,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:50:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:50:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:50:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:50:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:50:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:50:41,586 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:50:41,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:50:41,755 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-13 16:50:41,755 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:50:41,858 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:50:41,859 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:50:41,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:41 BoogieIcfgContainer [2024-11-13 16:50:41,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:50:41,862 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:50:41,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:50:41,873 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:50:41,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:41" (1/1) ... [2024-11-13 16:50:41,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:50:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:50:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:50:41,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:50:41,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:41,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:41,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:41,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:41,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:50:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:42,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:42,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:42,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:50:42,360 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:50:42,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:50:42 ImpRootNode [2024-11-13 16:50:42,397 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:50:42,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:50:42,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:50:42,398 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:50:42,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:41" (3/4) ... [2024-11-13 16:50:42,402 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:50:42,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:50:42,405 INFO L158 Benchmark]: Toolchain (without parser) took 2513.37ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 79.6MB in the end (delta: 10.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-13 16:50:42,406 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:42,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.41ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.7MB in the end (delta: 21.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 16:50:42,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.01ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:42,410 INFO L158 Benchmark]: Boogie Preprocessor took 45.79ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 63.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:42,411 INFO L158 Benchmark]: RCFGBuilder took 540.36ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 44.1MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:50:42,411 INFO L158 Benchmark]: CodeCheck took 534.45ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 80.3MB in the end (delta: -36.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:42,412 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.6MB in the end (delta: 699.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:42,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [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)) [L1555] CALL funcPtr(data) [L1568] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.41ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 67.7MB in the end (delta: 21.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.01ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.79ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 63.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 540.36ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 44.1MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 534.45ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 80.3MB in the end (delta: -36.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.6MB in the end (delta: 699.1kB). 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 16:50:42,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6279d4-d092-4b54-a992-efdcfec323e8/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