./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_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_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:55:45,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:55:45,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:55:45,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:55:45,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:55:45,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:55:45,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:55:45,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:55:45,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:55:45,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:55:45,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:55:45,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:55:45,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:55:45,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:55:45,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:55:45,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:55:45,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:55:45,792 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:55:45,792 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:55:45,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:55:45,792 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:55:45,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:55:45,792 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:55:45,792 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:55:45,792 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:55:45,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:55:45,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:45,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:55:45,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:55:45,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:55:45,793 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:55:45,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:55:45,793 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_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 [2024-12-05 21:55:46,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:55:46,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:55:46,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:55:46,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:55:46,029 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:55:46,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i [2024-12-05 21:55:48,641 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data/e492e057f/f40c867003bb4817bb597b248b68af03/FLAG540865381 [2024-12-05 21:55:48,970 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:55:48,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i [2024-12-05 21:55:48,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data/e492e057f/f40c867003bb4817bb597b248b68af03/FLAG540865381 [2024-12-05 21:55:49,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data/e492e057f/f40c867003bb4817bb597b248b68af03 [2024-12-05 21:55:49,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:55:49,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:55:49,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:49,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:55:49,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:55:49,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:49" (1/1) ... [2024-12-05 21:55:49,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f55a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:49, skipping insertion in model container [2024-12-05 21:55:49,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:49" (1/1) ... [2024-12-05 21:55:49,248 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:55:50,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:50,008 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:55:50,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:50,182 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:55:50,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50 WrapperNode [2024-12-05 21:55:50,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:50,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:50,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:55:50,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:55:50,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,220 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2024-12-05 21:55:50,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:50,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:55:50,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:55:50,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:55:50,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,233 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:55:50,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:55:50,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:55:50,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:55:50,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:50,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:55:50,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:55:50,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:55:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:55:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:55:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:55:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:55:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:55:50,420 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:55:50,422 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:55:50,604 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-12-05 21:55:50,604 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:55:50,745 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:55:50,746 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:55:50,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:50 BoogieIcfgContainer [2024-12-05 21:55:50,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:55:50,747 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:55:50,747 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:55:50,754 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:55:50,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:50" (1/1) ... [2024-12-05 21:55:50,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:55:50,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 21:55:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 21:55:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:55:50,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:50,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:50,971 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:55:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:51,131 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:55:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:51,176 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:55:51,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:55:51 ImpRootNode [2024-12-05 21:55:51,202 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:55:51,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:55:51,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:55:51,203 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:55:51,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:50" (3/4) ... [2024-12-05 21:55:51,206 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:55:51,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:55:51,208 INFO L158 Benchmark]: Toolchain (without parser) took 2002.54ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 99.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-12-05 21:55:51,209 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:51,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 976.50ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 107.8MB in the end (delta: 7.9MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-12-05 21:55:51,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.44ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 105.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:51,210 INFO L158 Benchmark]: Boogie Preprocessor took 18.61ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:51,211 INFO L158 Benchmark]: RCFGBuilder took 505.32ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 66.8MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:55:51,211 INFO L158 Benchmark]: CodeCheck took 455.45ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 99.8MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:51,211 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 99.8MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:51,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. 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); [L1550] int CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData=0, 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 [CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData=0, 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_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData=0, 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 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 976.50ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 107.8MB in the end (delta: 7.9MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.44ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 105.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.61ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 505.32ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 66.8MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 455.45ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 99.8MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 99.8MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:55:51,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:55:53,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:55:53,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 21:55:53,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:55:53,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:55:53,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:55:53,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:55:53,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:55:53,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:55:53,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:55:53,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:55:53,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:55:53,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:55:53,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:55:53,241 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:55:53,241 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:55:53,241 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:55:53,241 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:55:53,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:55:53,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:55:53,241 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:55:53,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:55:53,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:55:53,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:55:53,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:55:53,242 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:53,242 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:55:53,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:55:53,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:53,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:55:53,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:55:53,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:55:53,242 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:55:53,242 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:53,242 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:55:53,243 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_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 [2024-12-05 21:55:53,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:55:53,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:55:53,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:55:53,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:55:53,482 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:55:53,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i [2024-12-05 21:55:56,197 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data/aa9378a3a/e046d79b8ff74478b23518befb19f06f/FLAG954ff5a13 [2024-12-05 21:55:56,497 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:55:56,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i [2024-12-05 21:55:56,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data/aa9378a3a/e046d79b8ff74478b23518befb19f06f/FLAG954ff5a13 [2024-12-05 21:55:56,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/data/aa9378a3a/e046d79b8ff74478b23518befb19f06f [2024-12-05 21:55:56,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:55:56,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:55:56,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:56,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:55:56,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:55:56,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:56" (1/1) ... [2024-12-05 21:55:56,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db30dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:56, skipping insertion in model container [2024-12-05 21:55:56,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:56" (1/1) ... [2024-12-05 21:55:56,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:55:57,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:57,238 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:55:57,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:57,473 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:55:57,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57 WrapperNode [2024-12-05 21:55:57,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:57,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:57,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:55:57,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:55:57,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,521 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-12-05 21:55:57,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:57,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:55:57,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:55:57,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:55:57,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,538 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:55:57,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:55:57,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:55:57,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:55:57,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:57,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:55:57,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:55:57,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:55:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:55:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:55:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:55:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:55:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:55:57,714 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:55:57,716 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:55:57,813 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-05 21:55:57,813 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:55:57,871 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:55:57,872 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:55:57,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:57 BoogieIcfgContainer [2024-12-05 21:55:57,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:55:57,872 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:55:57,872 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:55:57,880 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:55:57,880 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:57" (1/1) ... [2024-12-05 21:55:57,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:55:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 21:55:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 21:55:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:55:57,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:57,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:57,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:57,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:57,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:55:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:58,074 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:55:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:58,171 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:55:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:58,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:55:58,205 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:55:58,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:55:58 ImpRootNode [2024-12-05 21:55:58,229 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:55:58,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:55:58,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:55:58,230 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:55:58,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:57" (3/4) ... [2024-12-05 21:55:58,231 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:55:58,274 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-05 21:55:58,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:55:58,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:55:58,319 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:55:58,320 INFO L158 Benchmark]: Toolchain (without parser) took 1781.56ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 66.3MB in the beginning and 62.9MB in the end (delta: 3.4MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:58,320 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:58,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 934.18ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 66.1MB in the beginning and 104.0MB in the end (delta: -37.9MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:58,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.65ms. Allocated memory is still 134.2MB. Free memory was 104.0MB in the beginning and 101.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:58,321 INFO L158 Benchmark]: Boogie Preprocessor took 24.73ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 99.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:58,322 INFO L158 Benchmark]: RCFGBuilder took 324.76ms. Allocated memory is still 134.2MB. Free memory was 99.5MB in the beginning and 82.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:55:58,322 INFO L158 Benchmark]: CodeCheck took 356.70ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 67.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:55:58,322 INFO L158 Benchmark]: Witness Printer took 89.50ms. Allocated memory is still 134.2MB. Free memory was 67.6MB in the beginning and 62.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:58,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1575]: 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); [L1550] int CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData=0, 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 [CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData=0, 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_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData=0, 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 934.18ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 66.1MB in the beginning and 104.0MB in the end (delta: -37.9MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.65ms. Allocated memory is still 134.2MB. Free memory was 104.0MB in the beginning and 101.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.73ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 99.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.76ms. Allocated memory is still 134.2MB. Free memory was 99.5MB in the beginning and 82.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 356.70ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 67.6MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 89.50ms. Allocated memory is still 134.2MB. Free memory was 67.6MB in the beginning and 62.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:55:58,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b87f8df-ae79-471f-85c8-624c9eea1242/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)