./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_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_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:30:25,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:30:25,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:30:25,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:30:25,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:30:25,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:30:25,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:30:25,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:30:25,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:30:25,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:30:25,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:30:25,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:30:25,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:30:25,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:30:25,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:30:25,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:30:25,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:30:25,212 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:30:25,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:30:25,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:30:25,213 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:30:25,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:30:25,213 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:30:25,213 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:30:25,213 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:30:25,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:30:25,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:25,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:30:25,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:30:25,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:30:25,214 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:30:25,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:30:25,214 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_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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 -> 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 [2024-11-25 02:30:25,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:30:25,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:30:25,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:30:25,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:30:25,738 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:30:25,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i [2024-11-25 02:30:29,270 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data/d2f9e9b81/dc8798ac7f9c4f9c86d8c1efb3c0ae22/FLAGbd2bd2bec [2024-11-25 02:30:29,742 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:30:29,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i [2024-11-25 02:30:29,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data/d2f9e9b81/dc8798ac7f9c4f9c86d8c1efb3c0ae22/FLAGbd2bd2bec [2024-11-25 02:30:29,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data/d2f9e9b81/dc8798ac7f9c4f9c86d8c1efb3c0ae22 [2024-11-25 02:30:29,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:30:29,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:30:29,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:29,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:30:29,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:30:29,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:29" (1/1) ... [2024-11-25 02:30:29,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b028cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:29, skipping insertion in model container [2024-11-25 02:30:29,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:29" (1/1) ... [2024-11-25 02:30:29,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:30:31,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:31,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:30:31,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:31,304 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:30:31,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31 WrapperNode [2024-11-25 02:30:31,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:31,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:31,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:30:31,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:30:31,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,365 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2024-11-25 02:30:31,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:31,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:30:31,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:30:31,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:30:31,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,388 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:30:31,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:30:31,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:30:31,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:30:31,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:31" (1/1) ... [2024-11-25 02:30:31,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:31,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:30:31,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:30:31,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:30:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:30:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:30:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:30:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:30:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:30:31,702 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:30:31,705 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:30:32,082 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-25 02:30:32,082 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:30:32,463 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:30:32,464 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:30:32,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:32 BoogieIcfgContainer [2024-11-25 02:30:32,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:30:32,466 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:30:32,466 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:30:32,479 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:30:32,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:32" (1/1) ... [2024-11-25 02:30:32,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:30:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:30:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:30:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:30:32,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:32,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:32,934 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:33,263 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:33,331 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:30:33,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:30:33 ImpRootNode [2024-11-25 02:30:33,369 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:30:33,369 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:30:33,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:30:33,370 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:30:33,370 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:32" (3/4) ... [2024-11-25 02:30:33,373 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:30:33,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:30:33,377 INFO L158 Benchmark]: Toolchain (without parser) took 3534.33ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 93.1MB in the end (delta: 22.5MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-25 02:30:33,379 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:33,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1460.13ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 106.6MB in the end (delta: 9.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-25 02:30:33,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.97ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 103.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:30:33,382 INFO L158 Benchmark]: Boogie Preprocessor took 33.17ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:33,382 INFO L158 Benchmark]: RCFGBuilder took 1064.02ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 65.5MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:30:33,383 INFO L158 Benchmark]: CodeCheck took 903.19ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 93.1MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:33,384 INFO L158 Benchmark]: Witness Printer took 6.24ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 93.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:33,389 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1552. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1460.13ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 106.6MB in the end (delta: 9.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.97ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 103.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.17ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1064.02ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 65.5MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 903.19ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 93.1MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.24ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 93.1MB 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 [2024-11-25 02:30:33,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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 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_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:30:36,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:30:36,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:30:36,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:30:36,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:30:36,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:30:36,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:30:36,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:30:36,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:30:36,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:30:36,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:30:36,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:30:36,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:30:36,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:30:36,441 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:30:36,441 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:30:36,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:30:36,441 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:30:36,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:30:36,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:30:36,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:30:36,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:30:36,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:30:36,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:30:36,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:30:36,443 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:36,443 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:30:36,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:30:36,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:36,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:30:36,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:30:36,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:30:36,444 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:30:36,444 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:36,444 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:30:36,444 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_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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 -> 3c00dc5715f8de2d187a6d98d3c5907392922aa0461e0f9d48047533c43080f8 [2024-11-25 02:30:36,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:30:36,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:30:36,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:30:36,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:30:36,812 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:30:36,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i [2024-11-25 02:30:39,955 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data/37e7f6b2e/8c3afb35bc674896aae412b61be78cb3/FLAG99878af8f [2024-11-25 02:30:40,412 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:30:40,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_01_bad.i [2024-11-25 02:30:40,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data/37e7f6b2e/8c3afb35bc674896aae412b61be78cb3/FLAG99878af8f [2024-11-25 02:30:40,476 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/data/37e7f6b2e/8c3afb35bc674896aae412b61be78cb3 [2024-11-25 02:30:40,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:30:40,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:30:40,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:40,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:30:40,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:30:40,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:40" (1/1) ... [2024-11-25 02:30:40,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d30502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:40, skipping insertion in model container [2024-11-25 02:30:40,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:40" (1/1) ... [2024-11-25 02:30:40,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:30:41,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:41,576 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:30:41,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:41,865 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:30:41,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41 WrapperNode [2024-11-25 02:30:41,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:41,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:41,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:30:41,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:30:41,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,919 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-25 02:30:41,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:41,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:30:41,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:30:41,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:30:41,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,939 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:30:41,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:30:41,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:30:41,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:30:41,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:41" (1/1) ... [2024-11-25 02:30:41,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:41,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:30:41,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:30:42,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:30:42,026 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:30:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:30:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:30:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:30:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:30:42,195 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:30:42,198 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:30:42,324 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-25 02:30:42,325 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:30:42,422 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:30:42,422 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:30:42,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:42 BoogieIcfgContainer [2024-11-25 02:30:42,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:30:42,423 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:30:42,423 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:30:42,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:30:42,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:30:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:42,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:30:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:30:42,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:30:42,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:42,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:42,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:42,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:42,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:30:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:42,703 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:42,795 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:42,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:30:42,832 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:30:42,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:30:42 ImpRootNode [2024-11-25 02:30:42,862 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:30:42,863 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:30:42,863 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:30:42,863 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:30:42,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:42" (3/4) ... [2024-11-25 02:30:42,866 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:30:42,914 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 02:30:42,974 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:30:42,975 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:30:42,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:30:42,976 INFO L158 Benchmark]: Toolchain (without parser) took 2493.07ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 36.7MB in the end (delta: 20.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-25 02:30:42,978 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:42,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1382.67ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 52.0MB in the end (delta: 5.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 02:30:42,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.04ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:42,979 INFO L158 Benchmark]: Boogie Preprocessor took 27.33ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:42,980 INFO L158 Benchmark]: RCFGBuilder took 473.88ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 31.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:30:42,980 INFO L158 Benchmark]: CodeCheck took 439.36ms. Allocated memory is still 83.9MB. Free memory was 31.2MB in the beginning and 41.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:42,981 INFO L158 Benchmark]: Witness Printer took 111.90ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 36.7MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:42,983 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: 0.4s, 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, 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: 1555]: 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_multiply_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1382.67ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 52.0MB in the end (delta: 5.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.04ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.33ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 473.88ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 31.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 439.36ms. Allocated memory is still 83.9MB. Free memory was 31.2MB in the beginning and 41.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.90ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 36.7MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:30:43,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8191ee-c9e8-4dd4-8e03-76f95a7cedad/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)