./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_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_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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 859d586f3554689b3afe31eff4b970ea908eb1b9e630b17b4d6babe089c9ea31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:01:21,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:01:21,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:01:21,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:01:21,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:01:21,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:01:21,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:01:21,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:01:21,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:01:21,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:01:21,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:01:21,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:01:21,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:01:21,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:01:21,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:01:21,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:01:21,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:01:21,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:01:21,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:01:21,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:01:21,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:01:21,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:01:21,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:01:21,513 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_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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 -> 859d586f3554689b3afe31eff4b970ea908eb1b9e630b17b4d6babe089c9ea31 [2024-12-06 02:01:21,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:01:21,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:01:21,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:01:21,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:01:21,728 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:01:21,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i [2024-12-06 02:01:24,358 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data/d4c8431ef/2e7677f8649549ecbe494642ca064793/FLAGa22c42384 [2024-12-06 02:01:24,630 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:01:24,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i [2024-12-06 02:01:24,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data/d4c8431ef/2e7677f8649549ecbe494642ca064793/FLAGa22c42384 [2024-12-06 02:01:24,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data/d4c8431ef/2e7677f8649549ecbe494642ca064793 [2024-12-06 02:01:24,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:01:24,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:01:24,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:01:24,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:01:24,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:01:24,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:01:24" (1/1) ... [2024-12-06 02:01:24,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb9fee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:24, skipping insertion in model container [2024-12-06 02:01:24,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:01:24" (1/1) ... [2024-12-06 02:01:24,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:01:25,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:01:25,385 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:01:25,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:01:25,540 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:01:25,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25 WrapperNode [2024-12-06 02:01:25,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:01:25,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:01:25,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:01:25,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:01:25,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,581 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-12-06 02:01:25,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:01:25,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:01:25,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:01:25,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:01:25,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,595 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:01:25,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:01:25,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:01:25,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:01:25,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:25" (1/1) ... [2024-12-06 02:01:25,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:01:25,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:01:25,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:01:25,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:01:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:01:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:01:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:01:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:01:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:01:25,763 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:01:25,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:01:25,928 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-12-06 02:01:25,928 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:01:26,087 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:01:26,087 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:01:26,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:26 BoogieIcfgContainer [2024-12-06 02:01:26,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:01:26,088 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:01:26,089 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:01:26,098 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:01:26,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:26" (1/1) ... [2024-12-06 02:01:26,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:01:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 02:01:26,151 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 02:01:26,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:01:26,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:26,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:26,346 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:01:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:26,472 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:01:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:26,506 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:01:26,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:01:26 ImpRootNode [2024-12-06 02:01:26,530 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:01:26,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:01:26,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:01:26,530 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:01:26,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:26" (3/4) ... [2024-12-06 02:01:26,533 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:01:26,534 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:01:26,535 INFO L158 Benchmark]: Toolchain (without parser) took 1870.48ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 65.5MB in the end (delta: 23.6MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-12-06 02:01:26,535 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:26,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 875.82ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.7MB in the end (delta: 8.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-06 02:01:26,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.50ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.6MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:01:26,536 INFO L158 Benchmark]: Boogie Preprocessor took 21.08ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:26,537 INFO L158 Benchmark]: RCFGBuilder took 483.88ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 39.7MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:01:26,537 INFO L158 Benchmark]: CodeCheck took 441.11ms. Allocated memory is still 117.4MB. Free memory was 39.7MB in the beginning and 65.6MB in the end (delta: -25.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:26,538 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:26,540 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1550. 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] 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 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 875.82ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.7MB in the end (delta: 8.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.50ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.6MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.08ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 483.88ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 39.7MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 441.11ms. Allocated memory is still 117.4MB. Free memory was 39.7MB in the beginning and 65.6MB in the end (delta: -25.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:01:26,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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 859d586f3554689b3afe31eff4b970ea908eb1b9e630b17b4d6babe089c9ea31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:01:28,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:01:28,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:01:28,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:01:28,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:01:28,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:01:28,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:01:28,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:01:28,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:01:28,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:01:28,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:01:28,595 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:01:28,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:01:28,595 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:01:28,595 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:01:28,595 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:01:28,595 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:01:28,595 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:01:28,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:01:28,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:01:28,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:01:28,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:01:28,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:01:28,596 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:01:28,596 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:01:28,596 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:01:28,596 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_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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 -> 859d586f3554689b3afe31eff4b970ea908eb1b9e630b17b4d6babe089c9ea31 [2024-12-06 02:01:28,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:01:28,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:01:28,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:01:28,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:01:28,825 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:01:28,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i [2024-12-06 02:01:31,541 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data/b6e2dfa8f/d37afdb3ad2e480d9872f14b8e2f90fc/FLAG422f457ec [2024-12-06 02:01:31,825 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:01:31,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_42_bad.i [2024-12-06 02:01:31,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data/b6e2dfa8f/d37afdb3ad2e480d9872f14b8e2f90fc/FLAG422f457ec [2024-12-06 02:01:32,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/data/b6e2dfa8f/d37afdb3ad2e480d9872f14b8e2f90fc [2024-12-06 02:01:32,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:01:32,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:01:32,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:01:32,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:01:32,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:01:32,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:32,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c71070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32, skipping insertion in model container [2024-12-06 02:01:32,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:32,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:01:32,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:01:32,776 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:01:32,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:01:32,969 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:01:32,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32 WrapperNode [2024-12-06 02:01:32,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:01:32,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:01:32,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:01:32,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:01:32,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:32,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,011 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-12-06 02:01:33,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:01:33,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:01:33,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:01:33,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:01:33,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,030 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:01:33,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:01:33,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:01:33,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:01:33,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:32" (1/1) ... [2024-12-06 02:01:33,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:01:33,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:01:33,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:01:33,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:01:33,094 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:01:33,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:01:33,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:01:33,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:01:33,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:01:33,222 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:01:33,224 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:01:33,330 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-12-06 02:01:33,330 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:01:33,385 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:01:33,385 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:01:33,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:33 BoogieIcfgContainer [2024-12-06 02:01:33,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:01:33,386 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:01:33,386 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:01:33,395 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:01:33,395 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:33" (1/1) ... [2024-12-06 02:01:33,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:01:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:33,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 02:01:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 02:01:33,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:01:33,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:33,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:01:33,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:01:33,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:01:33,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:01:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:33,574 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:01:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:33,666 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:01:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:01:33,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:01:33,697 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:01:33,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:01:33 ImpRootNode [2024-12-06 02:01:33,718 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:01:33,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:01:33,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:01:33,719 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:01:33,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:33" (3/4) ... [2024-12-06 02:01:33,720 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:01:33,753 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 02:01:33,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:01:33,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:01:33,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:01:33,789 INFO L158 Benchmark]: Toolchain (without parser) took 1702.85ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 53.6MB in the end (delta: 13.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 02:01:33,790 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:33,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 882.39ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 63.2MB in the end (delta: 3.8MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 02:01:33,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.77ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 60.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:33,791 INFO L158 Benchmark]: Boogie Preprocessor took 26.00ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 59.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:33,791 INFO L158 Benchmark]: RCFGBuilder took 346.34ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 41.8MB in the end (delta: 16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:01:33,791 INFO L158 Benchmark]: CodeCheck took 332.11ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 58.6MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:33,791 INFO L158 Benchmark]: Witness Printer took 69.94ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 53.6MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:33,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] 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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 882.39ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 63.2MB in the end (delta: 3.8MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.77ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 60.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.00ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 59.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.34ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 41.8MB in the end (delta: 16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 332.11ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 58.6MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.94ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 53.6MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:01:33,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd4ae2d-5ca3-4709-84fc-5a85e442876f/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)