./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_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_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3 --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 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:04:51,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:04:51,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:04:51,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:04:51,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:04:51,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:04:51,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:04:51,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:04:51,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:04:51,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:04:51,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:04:51,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:04:51,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:04:51,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:04:51,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:04:51,616 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:04:51,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:04:51,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:04:51,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:04:51,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:04:51,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:04:51,617 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:04:51,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:04:51,617 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_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca [2024-11-25 02:04:51,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:04:51,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:04:51,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:04:51,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:04:51,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:04:51,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i [2024-11-25 02:04:54,821 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data/7fb0800b8/c8fae59f9a4a43e4b7324b5f4ca39669/FLAGd71f55f0b [2024-11-25 02:04:55,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:04:55,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i [2024-11-25 02:04:55,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data/7fb0800b8/c8fae59f9a4a43e4b7324b5f4ca39669/FLAGd71f55f0b [2024-11-25 02:04:55,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data/7fb0800b8/c8fae59f9a4a43e4b7324b5f4ca39669 [2024-11-25 02:04:55,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:04:55,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:04:55,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:04:55,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:04:55,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:04:55,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:04:55" (1/1) ... [2024-11-25 02:04:55,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c04695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:55, skipping insertion in model container [2024-11-25 02:04:55,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:04:55" (1/1) ... [2024-11-25 02:04:55,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:04:56,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:04:56,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:04:56,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:04:56,600 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:04:56,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56 WrapperNode [2024-11-25 02:04:56,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:04:56,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:04:56,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:04:56,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:04:56,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,645 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-25 02:04:56,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:04:56,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:04:56,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:04:56,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:04:56,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,669 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:04:56,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:04:56,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:04:56,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:04:56,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:04:56" (1/1) ... [2024-11-25 02:04:56,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:04:56,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:04:56,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:04:56,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:04:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:04:56,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:04:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:04:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:04:56,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:04:56,910 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:04:56,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:04:57,182 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 02:04:57,184 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:04:57,553 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:04:57,554 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:04:57,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:04:57 BoogieIcfgContainer [2024-11-25 02:04:57,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:04:57,558 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:04:57,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:04:57,567 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:04:57,567 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:04:57" (1/1) ... [2024-11-25 02:04:57,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:04:57,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:04:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:04:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:04:57,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:04:57,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:04:57,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:04:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:04:58,009 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:04:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:04:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:04:58,314 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:04:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:04:58,373 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:04:58,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:04:58 ImpRootNode [2024-11-25 02:04:58,410 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:04:58,410 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:04:58,411 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:04:58,412 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:04:58,412 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:04:57" (3/4) ... [2024-11-25 02:04:58,415 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:04:58,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:04:58,417 INFO L158 Benchmark]: Toolchain (without parser) took 3029.51ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.7MB in the beginning and 274.7MB in the end (delta: -184.0MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-25 02:04:58,419 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:04:58,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1209.20ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 82.4MB in the end (delta: 8.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-25 02:04:58,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.38ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:04:58,420 INFO L158 Benchmark]: Boogie Preprocessor took 39.24ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:04:58,421 INFO L158 Benchmark]: RCFGBuilder took 868.02ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 77.8MB in the beginning and 321.6MB in the end (delta: -243.8MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-25 02:04:58,421 INFO L158 Benchmark]: CodeCheck took 851.96ms. Allocated memory is still 352.3MB. Free memory was 321.6MB in the beginning and 274.7MB in the end (delta: 47.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:04:58,421 INFO L158 Benchmark]: Witness Printer took 5.87ms. Allocated memory is still 352.3MB. Free memory is still 274.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:04:58,427 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of 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); [L1548] static int staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [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)) [L1557] COND TRUE staticFive==5 [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1209.20ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 82.4MB in the end (delta: 8.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.38ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.24ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 868.02ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 77.8MB in the beginning and 321.6MB in the end (delta: -243.8MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * CodeCheck took 851.96ms. Allocated memory is still 352.3MB. Free memory was 321.6MB in the beginning and 274.7MB in the end (delta: 47.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.87ms. Allocated memory is still 352.3MB. Free memory is still 274.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:04:58,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/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_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3 --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 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:05:01,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:05:01,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:05:01,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:05:01,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:05:01,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:05:01,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:05:01,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:05:01,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:05:01,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:05:01,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:05:01,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:05:01,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:05:01,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:05:01,240 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:05:01,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:05:01,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:05:01,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:05:01,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:05:01,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:05:01,241 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:05:01,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:05:01,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:05:01,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:05:01,241 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:05:01,241 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:05:01,241 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:05:01,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:05:01,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:05:01,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:05:01,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:05:01,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:05:01,247 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:05:01,247 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:05:01,247 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:05:01,247 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_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8e96a23661eadff1348fc606abaa74b918335c3b1e5e94b9656480fc0d11c0ca [2024-11-25 02:05:01,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:05:01,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:05:01,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:05:01,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:05:01,551 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:05:01,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i [2024-11-25 02:05:04,395 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data/b299c8791/985a0970ab31436a8f68031b89197f30/FLAGbf0d9b1aa [2024-11-25 02:05:04,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:05:04,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_bad.i [2024-11-25 02:05:04,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data/b299c8791/985a0970ab31436a8f68031b89197f30/FLAGbf0d9b1aa [2024-11-25 02:05:05,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/data/b299c8791/985a0970ab31436a8f68031b89197f30 [2024-11-25 02:05:05,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:05:05,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:05:05,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:05:05,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:05:05,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:05:05,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:05:05" (1/1) ... [2024-11-25 02:05:05,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de287ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:05, skipping insertion in model container [2024-11-25 02:05:05,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:05:05" (1/1) ... [2024-11-25 02:05:05,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:05:06,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:05:06,452 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:05:06,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:05:06,684 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:05:06,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06 WrapperNode [2024-11-25 02:05:06,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:05:06,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:05:06,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:05:06,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:05:06,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,731 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-25 02:05:06,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:05:06,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:05:06,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:05:06,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:05:06,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,749 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:05:06,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:05:06,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:05:06,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:05:06,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:05:06" (1/1) ... [2024-11-25 02:05:06,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:05:06,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:05:06,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:05:06,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:05:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:05:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:05:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:05:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:05:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:05:06,989 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:05:06,991 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:05:07,168 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 02:05:07,168 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:05:07,270 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:05:07,270 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:05:07,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:05:07 BoogieIcfgContainer [2024-11-25 02:05:07,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:05:07,271 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:05:07,271 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:05:07,281 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:05:07,282 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:05:07" (1/1) ... [2024-11-25 02:05:07,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:05:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:05:07,343 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:05:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:05:07,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:05:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:05:07,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:05:07,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:05:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:05:07,561 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:05:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:05:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:05:07,730 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:05:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:05:07,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:05:07,777 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:05:07,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:05:07 ImpRootNode [2024-11-25 02:05:07,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:05:07,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:05:07,813 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:05:07,813 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:05:07,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:05:07" (3/4) ... [2024-11-25 02:05:07,815 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:05:07,866 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 02:05:07,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:05:07,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:05:07,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:05:07,918 INFO L158 Benchmark]: Toolchain (without parser) took 2408.77ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 77.4MB in the end (delta: 11.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-25 02:05:07,918 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:05:07,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1174.94ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 68.9MB in the end (delta: 20.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 02:05:07,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.93ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:05:07,919 INFO L158 Benchmark]: Boogie Preprocessor took 26.26ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 64.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:05:07,919 INFO L158 Benchmark]: RCFGBuilder took 512.00ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 46.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:05:07,920 INFO L158 Benchmark]: CodeCheck took 540.18ms. Allocated memory is still 117.4MB. Free memory was 46.4MB in the beginning and 82.1MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:05:07,920 INFO L158 Benchmark]: Witness Printer took 102.03ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 77.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:05:07,921 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1560]: 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); [L1548] static int staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [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)) [L1557] COND TRUE staticFive==5 [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1174.94ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 68.9MB in the end (delta: 20.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.93ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 66.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.26ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 64.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.00ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 46.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 540.18ms. Allocated memory is still 117.4MB. Free memory was 46.4MB in the beginning and 82.1MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 102.03ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 77.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:05:07,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66952b04-14ca-4cb9-a2e8-3d0dbcf01af3/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)