./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk --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 de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:18:27,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:18:27,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:18:27,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:18:27,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:18:27,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:18:27,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:18:27,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:18:27,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:18:27,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:18:27,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:18:27,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:18:27,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:18:27,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:18:27,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:18:27,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:18:27,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:18:27,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:18:27,293 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:18:27,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:18:27,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:18:27,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:18:27,299 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:18:27,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:18:27,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:18:27,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:18:27,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:18:27,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:18:27,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:18:27,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:18:27,302 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:18:27,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:18:27,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c [2024-11-08 23:18:27,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:18:27,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:18:27,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:18:27,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:18:27,608 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:18:27,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i Unable to find full path for "g++" [2024-11-08 23:18:29,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:18:29,949 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:18:29,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-11-08 23:18:29,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/data/1f2eb0d66/24662738baa94673bcd6efdbdf568b48/FLAG4dc553192 [2024-11-08 23:18:30,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/data/1f2eb0d66/24662738baa94673bcd6efdbdf568b48 [2024-11-08 23:18:30,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:18:30,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:18:30,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:30,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:18:30,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:18:30,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:30" (1/1) ... [2024-11-08 23:18:30,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c443bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:30, skipping insertion in model container [2024-11-08 23:18:30,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:30" (1/1) ... [2024-11-08 23:18:30,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:18:31,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:31,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:18:31,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:31,461 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:18:31,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31 WrapperNode [2024-11-08 23:18:31,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:31,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:31,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:18:31,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:18:31,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,538 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 111 [2024-11-08 23:18:31,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:31,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:18:31,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:18:31,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:18:31,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:18:31,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:18:31,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:18:31,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:18:31,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:31" (1/1) ... [2024-11-08 23:18:31,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:18:31,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:18:31,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:18:31,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:18:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:18:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:18:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:18:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:18:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:18:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:18:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:18:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:18:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:18:31,825 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:18:31,827 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:18:32,064 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-08 23:18:32,065 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:18:32,368 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:18:32,368 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:18:32,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:32 BoogieIcfgContainer [2024-11-08 23:18:32,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:18:32,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:18:32,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:18:32,382 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:18:32,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:32" (1/1) ... [2024-11-08 23:18:32,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:18:32,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:18:32,458 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:18:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:18:32,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:32,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:32,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:33,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:33,198 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:18:33,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:18:33 ImpRootNode [2024-11-08 23:18:33,230 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:18:33,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:18:33,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:18:33,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:18:33,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:32" (3/4) ... [2024-11-08 23:18:33,237 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:18:33,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:18:33,240 INFO L158 Benchmark]: Toolchain (without parser) took 3228.42ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 131.9MB in the end (delta: 23.3MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-08 23:18:33,241 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:33,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1448.67ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 141.9MB in the end (delta: 13.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2024-11-08 23:18:33,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.36ms. Allocated memory is still 190.8MB. Free memory was 141.9MB in the beginning and 138.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:33,243 INFO L158 Benchmark]: Boogie Preprocessor took 43.11ms. Allocated memory is still 190.8MB. Free memory was 138.8MB in the beginning and 136.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:33,244 INFO L158 Benchmark]: RCFGBuilder took 783.68ms. Allocated memory is still 190.8MB. Free memory was 136.7MB in the beginning and 96.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 23:18:33,245 INFO L158 Benchmark]: CodeCheck took 859.65ms. Allocated memory is still 190.8MB. Free memory was 96.9MB in the beginning and 131.9MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:33,246 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 190.8MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:33,249 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: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1574]: 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 1565, overapproximation of bitwiseOr at line 1558. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_multiply_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] 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] [L1574] 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 0.22ms. Allocated memory is still 130.0MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1448.67ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 141.9MB in the end (delta: 13.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.36ms. Allocated memory is still 190.8MB. Free memory was 141.9MB in the beginning and 138.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.11ms. Allocated memory is still 190.8MB. Free memory was 138.8MB in the beginning and 136.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 783.68ms. Allocated memory is still 190.8MB. Free memory was 136.7MB in the beginning and 96.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 859.65ms. Allocated memory is still 190.8MB. Free memory was 96.9MB in the beginning and 131.9MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 190.8MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:18:33,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk --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 de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:18:35,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:18:35,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:18:35,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:18:35,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:18:35,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:18:35,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:18:35,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:18:35,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:18:35,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:18:35,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:18:35,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:18:35,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:18:35,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:18:35,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:18:35,875 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:18:35,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:18:35,875 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:18:35,876 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:18:35,876 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:18:35,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:18:35,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:18:35,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:18:35,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:18:35,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:18:35,882 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:35,882 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:18:35,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:18:35,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:18:35,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:18:35,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:18:35,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:18:35,885 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:18:35,886 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:35,886 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:18:35,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de4c2e9d6c651b352ccc3e126521815b2746352a0e529dc3f24dfbfca0a7e77c [2024-11-08 23:18:36,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:18:36,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:18:36,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:18:36,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:18:36,329 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:18:36,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i Unable to find full path for "g++" [2024-11-08 23:18:38,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:18:38,823 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:18:38,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_67_bad.i [2024-11-08 23:18:38,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/data/85dba35c2/711076dc62d64454b4fc05a36f406b74/FLAG1751667fe [2024-11-08 23:18:38,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/data/85dba35c2/711076dc62d64454b4fc05a36f406b74 [2024-11-08 23:18:38,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:18:38,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:18:38,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:38,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:18:38,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:18:38,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:38" (1/1) ... [2024-11-08 23:18:38,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582f8e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:38, skipping insertion in model container [2024-11-08 23:18:38,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:18:38" (1/1) ... [2024-11-08 23:18:38,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:18:39,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:39,861 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:18:39,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:18:40,180 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:18:40,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40 WrapperNode [2024-11-08 23:18:40,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:18:40,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:40,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:18:40,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:18:40,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,264 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-08 23:18:40,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:18:40,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:18:40,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:18:40,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:18:40,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:18:40,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:18:40,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:18:40,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:18:40,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:18:40,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:18:40,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:18:40,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:18:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:18:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:18:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:18:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:18:40,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:18:40,654 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:18:40,889 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-08 23:18:40,889 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:18:40,971 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:18:40,971 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:18:40,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:40 BoogieIcfgContainer [2024-11-08 23:18:40,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:18:40,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:18:40,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:18:40,987 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:18:40,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:40" (1/1) ... [2024-11-08 23:18:40,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:18:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:18:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:18:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:18:41,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:41,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:41,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:41,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:41,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:18:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:41,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:41,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:18:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:18:41,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:41,766 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:18:41,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:18:41 ImpRootNode [2024-11-08 23:18:41,802 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:18:41,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:18:41,804 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:18:41,805 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:18:41,805 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:18:40" (3/4) ... [2024-11-08 23:18:41,808 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:18:41,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:18:41,810 INFO L158 Benchmark]: Toolchain (without parser) took 2943.39ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 46.9MB in the beginning and 59.0MB in the end (delta: -12.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-08 23:18:41,811 INFO L158 Benchmark]: CDTParser took 2.16ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 108.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:41,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1313.07ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 55.7MB in the end (delta: -9.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-08 23:18:41,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.10ms. Allocated memory is still 96.5MB. Free memory was 55.7MB in the beginning and 52.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:18:41,813 INFO L158 Benchmark]: Boogie Preprocessor took 51.09ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 50.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:41,814 INFO L158 Benchmark]: RCFGBuilder took 656.68ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 53.2MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:18:41,815 INFO L158 Benchmark]: CodeCheck took 825.68ms. Allocated memory is still 96.5MB. Free memory was 53.2MB in the beginning and 59.6MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:18:41,816 INFO L158 Benchmark]: Witness Printer took 6.79ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 59.0MB in the end (delta: 537.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:18:41,821 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: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1574]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_multiply_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1572] 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] [L1574] 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 2.16ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 108.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1313.07ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 55.7MB in the end (delta: -9.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.10ms. Allocated memory is still 96.5MB. Free memory was 55.7MB in the beginning and 52.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.09ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 50.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.68ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 53.2MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 825.68ms. Allocated memory is still 96.5MB. Free memory was 53.2MB in the beginning and 59.6MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.79ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 59.0MB in the end (delta: 537.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:18:41,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159adf5b-3c02-40f8-8c3a-dcab6f4f0911/bin/ukojak-verify-ImItNfHLgk/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