./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b --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 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:01:00,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:01:00,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:01:00,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:01:00,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:01:00,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:01:00,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:01:00,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:01:00,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:01:00,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:01:00,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:01:00,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:01:00,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:01:00,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:01:00,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:01:00,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:01:00,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:01:00,425 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:01:00,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:01:00,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:01:00,426 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:01:00,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:01:00,426 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:01:00,426 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:01:00,426 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:01:00,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:01:00,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:01:00,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:01:00,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:01:00,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:01:00,427 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:01:00,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:01:00,427 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_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b 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 -> 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 [2024-12-05 22:01:00,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:01:00,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:01:00,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:01:00,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:01:00,636 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:01:00,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2024-12-05 22:01:03,296 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data/3b4296a2c/64dce57386084c8fa9aeb66c80beb80d/FLAG01472206a [2024-12-05 22:01:03,617 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:01:03,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2024-12-05 22:01:03,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data/3b4296a2c/64dce57386084c8fa9aeb66c80beb80d/FLAG01472206a [2024-12-05 22:01:03,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data/3b4296a2c/64dce57386084c8fa9aeb66c80beb80d [2024-12-05 22:01:03,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:01:03,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:01:03,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:01:03,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:01:03,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:01:03,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:01:03" (1/1) ... [2024-12-05 22:01:03,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e68b7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:03, skipping insertion in model container [2024-12-05 22:01:03,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:01:03" (1/1) ... [2024-12-05 22:01:03,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:01:04,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:01:04,572 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:01:04,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:01:04,730 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:01:04,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04 WrapperNode [2024-12-05 22:01:04,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:01:04,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:01:04,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:01:04,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:01:04,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,771 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2024-12-05 22:01:04,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:01:04,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:01:04,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:01:04,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:01:04,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,785 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:01:04,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:01:04,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:01:04,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:01:04,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:04" (1/1) ... [2024-12-05 22:01:04,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:01:04,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:01:04,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:01:04,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:01:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:01:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:01:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:01:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:01:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:01:04,962 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:01:04,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:01:05,134 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-12-05 22:01:05,134 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:01:05,268 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:01:05,268 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:01:05,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:01:05 BoogieIcfgContainer [2024-12-05 22:01:05,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:01:05,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:01:05,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:01:05,277 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:01:05,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:01:05" (1/1) ... [2024-12-05 22:01:05,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:01:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:01:05,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-05 22:01:05,320 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-05 22:01:05,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:01:05,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:01:05,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:01:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:01:05,519 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:01:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:01:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:01:05,661 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:01:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:01:05,707 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:01:05,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:01:05 ImpRootNode [2024-12-05 22:01:05,731 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:01:05,732 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:01:05,732 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:01:05,732 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:01:05,733 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:01:05" (3/4) ... [2024-12-05 22:01:05,735 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:01:05,736 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:01:05,737 INFO L158 Benchmark]: Toolchain (without parser) took 1879.67ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 93.7MB in the end (delta: 23.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-12-05 22:01:05,737 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:01:05,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.89ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 107.6MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-12-05 22:01:05,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.71ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 104.8MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:01:05,738 INFO L158 Benchmark]: Boogie Preprocessor took 20.73ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:01:05,739 INFO L158 Benchmark]: RCFGBuilder took 474.73ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 65.9MB in the end (delta: 37.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:01:05,739 INFO L158 Benchmark]: CodeCheck took 462.38ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 93.7MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:01:05,739 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 93.7MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:01:05,741 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) 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] [L1563] case 7: [L1565] 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 0.33ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.89ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 107.6MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.71ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 104.8MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.73ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 474.73ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 65.9MB in the end (delta: 37.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 462.38ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 93.7MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 93.7MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:01:05,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b --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 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:01:07,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:01:07,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:01:07,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:01:07,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:01:07,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:01:07,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:01:07,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:01:07,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:01:07,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:01:07,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:01:07,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:01:07,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:01:07,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:01:07,792 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:01:07,793 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:01:07,793 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:01:07,794 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:01:07,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:01:07,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:01:07,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:01:07,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:01:07,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:01:07,794 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:01:07,794 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:01:07,794 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:01:07,794 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_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b 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 -> 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 [2024-12-05 22:01:08,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:01:08,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:01:08,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:01:08,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:01:08,033 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:01:08,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2024-12-05 22:01:10,698 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data/39c5ef296/164d8c6517cd4a6199db9f2af528baf1/FLAGe671da37a [2024-12-05 22:01:10,977 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:01:10,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2024-12-05 22:01:10,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data/39c5ef296/164d8c6517cd4a6199db9f2af528baf1/FLAGe671da37a [2024-12-05 22:01:11,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/data/39c5ef296/164d8c6517cd4a6199db9f2af528baf1 [2024-12-05 22:01:11,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:01:11,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:01:11,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:01:11,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:01:11,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:01:11,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662c0d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11, skipping insertion in model container [2024-12-05 22:01:11,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,051 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:01:11,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:01:11,735 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:01:11,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:01:11,917 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:01:11,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11 WrapperNode [2024-12-05 22:01:11,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:01:11,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:01:11,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:01:11,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:01:11,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,953 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-12-05 22:01:11,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:01:11,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:01:11,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:01:11,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:01:11,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,971 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:01:11,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:01:11,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:01:11,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:01:11,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:01:11" (1/1) ... [2024-12-05 22:01:11,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:01:11,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:01:12,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:01:12,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:01:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:01:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:01:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:01:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:01:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:01:12,163 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:01:12,164 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:01:12,280 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-05 22:01:12,280 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:01:12,333 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:01:12,334 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:01:12,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:01:12 BoogieIcfgContainer [2024-12-05 22:01:12,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:01:12,335 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:01:12,335 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:01:12,344 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:01:12,344 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:01:12" (1/1) ... [2024-12-05 22:01:12,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:01:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:01:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-05 22:01:12,390 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-05 22:01:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:01:12,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:01:12,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:01:12,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:01:12,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:01:12,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:01:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:01:12,547 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:01:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:01:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:01:12,679 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:01:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:01:12,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:01:12,717 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:01:12,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:01:12 ImpRootNode [2024-12-05 22:01:12,741 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:01:12,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:01:12,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:01:12,742 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:01:12,742 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:01:12" (3/4) ... [2024-12-05 22:01:12,743 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:01:12,781 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-05 22:01:12,821 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:01:12,821 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:01:12,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:01:12,822 INFO L158 Benchmark]: Toolchain (without parser) took 1810.54ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 66.1MB in the beginning and 108.6MB in the end (delta: -42.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-12-05 22:01:12,822 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:01:12,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.87ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 61.5MB in the end (delta: 4.4MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-12-05 22:01:12,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.48ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:01:12,823 INFO L158 Benchmark]: Boogie Preprocessor took 24.75ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:01:12,823 INFO L158 Benchmark]: RCFGBuilder took 354.92ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 39.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:01:12,824 INFO L158 Benchmark]: CodeCheck took 406.20ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 39.4MB in the beginning and 113.6MB in the end (delta: -74.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:01:12,824 INFO L158 Benchmark]: Witness Printer took 79.78ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 108.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:01:12,826 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1565]: integer overflow possible integer overflow possible We found a 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) 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] [L1563] case 7: [L1565] 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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.87ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 61.5MB in the end (delta: 4.4MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.48ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.75ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.92ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 39.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 406.20ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 39.4MB in the beginning and 113.6MB in the end (delta: -74.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.78ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 108.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:01:12,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54bd6d2-8b5c-4360-8cf6-7c1608ed171e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)