./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_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_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/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_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/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_41392294-66e8-48fd-bf6c-70705d1fca7a/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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:19:44,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:19:44,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:19:44,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:19:44,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:19:44,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:19:44,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:19:44,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:19:44,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:19:44,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:19:44,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:19:44,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:19:44,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:19:44,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:19:44,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:19:44,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:19:44,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:19:44,203 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:19:44,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:19:44,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:19:44,203 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:19:44,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:19:44,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:19:44,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:19:44,204 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:19:44,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:19:44,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:44,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:19:44,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:19:44,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:19:44,204 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:19:44,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:19:44,205 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_41392294-66e8-48fd-bf6c-70705d1fca7a/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 -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-11-24 18:19:44,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:19:44,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:19:44,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:19:44,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:19:44,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:19:44,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-24 18:19:47,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data/064160151/64a925328b234b04b60e6d8de9f85cd2/FLAG2eeb89516 [2024-11-24 18:19:48,229 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:19:48,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-24 18:19:48,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data/064160151/64a925328b234b04b60e6d8de9f85cd2/FLAG2eeb89516 [2024-11-24 18:19:48,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data/064160151/64a925328b234b04b60e6d8de9f85cd2 [2024-11-24 18:19:48,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:19:48,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:19:48,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:48,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:19:48,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:19:48,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:48" (1/1) ... [2024-11-24 18:19:48,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4c3af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:48, skipping insertion in model container [2024-11-24 18:19:48,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:48" (1/1) ... [2024-11-24 18:19:48,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:19:49,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:49,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:19:49,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:49,809 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:19:49,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49 WrapperNode [2024-11-24 18:19:49,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:49,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:49,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:19:49,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:19:49,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,888 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2024-11-24 18:19:49,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:49,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:19:49,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:19:49,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:19:49,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,916 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:19:49,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:19:49,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:19:49,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:19:49,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:49" (1/1) ... [2024-11-24 18:19:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:49,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:19:49,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:19:49,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:19:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:19:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:19:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:19:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:19:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:19:50,160 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:19:50,162 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:19:50,369 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-24 18:19:50,369 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:19:50,636 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:19:50,636 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:19:50,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:50 BoogieIcfgContainer [2024-11-24 18:19:50,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:19:50,637 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:19:50,637 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:19:50,665 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:19:50,665 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:50" (1/1) ... [2024-11-24 18:19:50,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:19:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-24 18:19:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-24 18:19:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:19:50,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:50,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:51,017 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:19:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:51,283 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:19:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:51,340 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:19:51,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:19:51 ImpRootNode [2024-11-24 18:19:51,380 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:19:51,381 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:19:51,381 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:19:51,381 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:19:51,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:50" (3/4) ... [2024-11-24 18:19:51,387 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:19:51,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:19:51,390 INFO L158 Benchmark]: Toolchain (without parser) took 3092.73ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.7MB in the beginning and 294.4MB in the end (delta: -203.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-24 18:19:51,391 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:51,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1511.04ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 80.2MB in the end (delta: 10.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-24 18:19:51,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.98ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:19:51,394 INFO L158 Benchmark]: Boogie Preprocessor took 41.80ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.3MB in the end (delta: 586.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:51,395 INFO L158 Benchmark]: RCFGBuilder took 701.51ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 38.0MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:19:51,396 INFO L158 Benchmark]: CodeCheck took 743.15ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 38.0MB in the beginning and 294.4MB in the end (delta: -256.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:51,396 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 352.3MB. Free memory is still 294.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:51,399 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: 0.7s, 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1570. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] 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 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1511.04ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 80.2MB in the end (delta: 10.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.98ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.80ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.3MB in the end (delta: 586.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 701.51ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 38.0MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 743.15ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 38.0MB in the beginning and 294.4MB in the end (delta: -256.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 352.3MB. Free memory is still 294.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:19:51,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/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_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/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_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/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_41392294-66e8-48fd-bf6c-70705d1fca7a/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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:19:54,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:19:54,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:19:54,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:19:54,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:19:54,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:19:54,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:19:54,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:19:54,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:19:54,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:19:54,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:19:54,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:19:54,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:19:54,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:19:54,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:19:54,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:19:54,559 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:19:54,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:19:54,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:19:54,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:19:54,560 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:19:54,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:19:54,560 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:19:54,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:19:54,560 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:19:54,560 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:54,561 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:19:54,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:19:54,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:54,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:19:54,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:19:54,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:19:54,561 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:19:54,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:54,562 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:19:54,562 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_41392294-66e8-48fd-bf6c-70705d1fca7a/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 -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-11-24 18:19:54,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:19:54,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:19:54,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:19:54,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:19:54,937 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:19:54,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-24 18:19:57,990 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data/60a62c847/346ad92d9d37487995b224c1b34481db/FLAGd76169adc [2024-11-24 18:19:58,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:19:58,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-24 18:19:58,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data/60a62c847/346ad92d9d37487995b224c1b34481db/FLAGd76169adc [2024-11-24 18:19:58,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/data/60a62c847/346ad92d9d37487995b224c1b34481db [2024-11-24 18:19:58,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:19:58,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:19:58,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:58,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:19:58,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:19:58,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:58" (1/1) ... [2024-11-24 18:19:58,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7517427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:58, skipping insertion in model container [2024-11-24 18:19:58,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:58" (1/1) ... [2024-11-24 18:19:58,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:19:59,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:59,558 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:19:59,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:59,862 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:19:59,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59 WrapperNode [2024-11-24 18:19:59,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:59,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:59,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:19:59,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:19:59,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,923 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-24 18:19:59,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:59,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:19:59,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:19:59,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:19:59,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,948 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:19:59,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:19:59,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:19:59,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:19:59,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:59" (1/1) ... [2024-11-24 18:19:59,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:20:00,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:20:00,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:20:00,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:20:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:20:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:20:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:20:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:20:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:20:00,254 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:20:00,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:20:00,409 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-24 18:20:00,410 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:20:00,509 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:20:00,509 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:20:00,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:20:00 BoogieIcfgContainer [2024-11-24 18:20:00,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:20:00,514 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:20:00,514 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:20:00,524 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:20:00,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:20:00" (1/1) ... [2024-11-24 18:20:00,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:20:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-24 18:20:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-24 18:20:00,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:20:00,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:00,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:00,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:00,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:00,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:20:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:20:00,826 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:20:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:20:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:20:00,992 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:20:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:20:01,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:20:01,062 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:20:01,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:20:01 ImpRootNode [2024-11-24 18:20:01,098 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:20:01,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:20:01,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:20:01,100 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:20:01,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:20:00" (3/4) ... [2024-11-24 18:20:01,103 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:20:01,164 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-24 18:20:01,220 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:20:01,220 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:20:01,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:20:01,221 INFO L158 Benchmark]: Toolchain (without parser) took 2689.65ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 77.4MB in the end (delta: 14.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-24 18:20:01,221 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:01,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1328.80ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 79.6MB in the end (delta: 11.6MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-24 18:20:01,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.73ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:01,222 INFO L158 Benchmark]: Boogie Preprocessor took 46.94ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:01,223 INFO L158 Benchmark]: RCFGBuilder took 537.98ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 58.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:20:01,223 INFO L158 Benchmark]: CodeCheck took 584.94ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 82.1MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:01,223 INFO L158 Benchmark]: Witness Printer took 120.63ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 77.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:01,228 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s 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: 1556]: 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] 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] [L1556] 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 0.57ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1328.80ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 79.6MB in the end (delta: 11.6MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.73ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.94ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.98ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 58.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 584.94ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 82.1MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 120.63ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 77.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:20:01,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41392294-66e8-48fd-bf6c-70705d1fca7a/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)