./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm --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 d6adb61fec60be19b921e2d1d869b66b60375e8ffa5df3e1b1fa154b174835e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:42:40,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:42:40,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:42:40,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:42:40,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:42:40,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:42:40,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:42:40,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:42:40,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:42:40,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:42:40,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:42:40,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:42:40,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:42:40,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:42:40,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:42:40,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:42:40,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:42:40,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:42:40,878 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:42:40,879 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:42:40,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:42:40,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:42:40,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:42:40,879 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:42:40,879 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:42:40,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:42:40,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:42:40,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:42:40,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:42:40,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:42:40,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:42:40,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:42:40,881 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_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm 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 -> d6adb61fec60be19b921e2d1d869b66b60375e8ffa5df3e1b1fa154b174835e0 [2024-11-13 20:42:41,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:42:41,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:42:41,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:42:41,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:42:41,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:42:41,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i Unable to find full path for "g++" [2024-11-13 20:42:43,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:42:44,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:42:44,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i [2024-11-13 20:42:44,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/data/6e13907c8/df5b73953f104bf99e4c979170bcc0a3/FLAG039810821 [2024-11-13 20:42:44,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/data/6e13907c8/df5b73953f104bf99e4c979170bcc0a3 [2024-11-13 20:42:44,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:42:44,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:42:44,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:44,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:42:44,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:42:44,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:44" (1/1) ... [2024-11-13 20:42:44,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684d9a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:44, skipping insertion in model container [2024-11-13 20:42:44,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:44" (1/1) ... [2024-11-13 20:42:44,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:42:45,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:45,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:42:45,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:45,481 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:42:45,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45 WrapperNode [2024-11-13 20:42:45,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:45,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:45,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:42:45,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:42:45,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,575 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 42 [2024-11-13 20:42:45,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:45,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:42:45,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:42:45,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:42:45,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:42:45,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:42:45,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:42:45,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:42:45,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:45" (1/1) ... [2024-11-13 20:42:45,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:42:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:42:45,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:42:45,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:42:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:42:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:42:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:42:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:42:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:42:45,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:42:45,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:42:46,063 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 20:42:46,064 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:42:46,127 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:42:46,128 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:42:46,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:46 BoogieIcfgContainer [2024-11-13 20:42:46,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:42:46,129 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:42:46,129 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:42:46,143 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:42:46,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:46" (1/1) ... [2024-11-13 20:42:46,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:42:46,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:42:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:42:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:42:46,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:46,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:46,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:42:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:46,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:42:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:46,549 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:42:46,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:42:46 ImpRootNode [2024-11-13 20:42:46,584 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:42:46,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:42:46,586 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:42:46,586 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:42:46,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:46" (3/4) ... [2024-11-13 20:42:46,590 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:42:46,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:42:46,593 INFO L158 Benchmark]: Toolchain (without parser) took 2453.84ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 53.7MB in the end (delta: 37.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 20:42:46,595 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:46,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.09ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 84.1MB in the end (delta: 7.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 20:42:46,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.61ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 81.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:46,597 INFO L158 Benchmark]: Boogie Preprocessor took 43.68ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:42:46,597 INFO L158 Benchmark]: RCFGBuilder took 507.87ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 67.4MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:42:46,597 INFO L158 Benchmark]: CodeCheck took 455.35ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 54.3MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:42:46,598 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 117.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:46,600 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 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_52c_badSink(data) [L1572] data - 1 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 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.09ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 84.1MB in the end (delta: 7.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.61ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 81.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.68ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 507.87ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 67.4MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 455.35ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 54.3MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 117.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:42:46,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/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_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm --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 d6adb61fec60be19b921e2d1d869b66b60375e8ffa5df3e1b1fa154b174835e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:42:49,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:42:49,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:42:49,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:42:49,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:42:49,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:42:49,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:42:49,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:42:49,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:42:49,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:42:49,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:42:49,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:42:49,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:42:49,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:42:49,501 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:42:49,501 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:42:49,501 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:42:49,501 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:42:49,501 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:42:49,501 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:42:49,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:42:49,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:42:49,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:42:49,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:42:49,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:42:49,502 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:49,502 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:42:49,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:42:49,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:42:49,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:42:49,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:42:49,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:42:49,513 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:42:49,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:49,513 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:42:49,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm 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 -> d6adb61fec60be19b921e2d1d869b66b60375e8ffa5df3e1b1fa154b174835e0 [2024-11-13 20:42:49,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:42:49,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:42:49,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:42:49,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:42:49,815 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:42:49,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i Unable to find full path for "g++" [2024-11-13 20:42:51,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:42:52,299 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:42:52,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_52_bad.i [2024-11-13 20:42:52,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/data/4762a2615/f05b2b898ac5453a80a42b468c0f1672/FLAG10788e7d8 [2024-11-13 20:42:52,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/data/4762a2615/f05b2b898ac5453a80a42b468c0f1672 [2024-11-13 20:42:52,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:42:52,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:42:52,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:52,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:42:52,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:42:52,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:52" (1/1) ... [2024-11-13 20:42:52,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349c0b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:52, skipping insertion in model container [2024-11-13 20:42:52,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:52" (1/1) ... [2024-11-13 20:42:52,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:42:53,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:53,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:42:53,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:53,549 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:42:53,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53 WrapperNode [2024-11-13 20:42:53,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:53,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:53,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:42:53,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:42:53,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,598 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 42 [2024-11-13 20:42:53,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:53,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:42:53,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:42:53,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:42:53,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:42:53,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:42:53,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:42:53,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:42:53,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:53" (1/1) ... [2024-11-13 20:42:53,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:42:53,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:42:53,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:42:53,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:42:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:42:53,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:42:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:42:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:42:53,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:42:53,915 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:42:53,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:42:54,072 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:42:54,072 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:42:54,148 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:42:54,152 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:42:54,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:54 BoogieIcfgContainer [2024-11-13 20:42:54,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:42:54,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:42:54,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:42:54,167 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:42:54,167 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:54" (1/1) ... [2024-11-13 20:42:54,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:42:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:42:54,253 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:42:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:42:54,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:54,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:54,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:54,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:54,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:42:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:54,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:42:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:54,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:42:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:54,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:42:54,702 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:42:54,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:42:54 ImpRootNode [2024-11-13 20:42:54,773 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:42:54,774 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:42:54,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:42:54,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:42:54,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:54" (3/4) ... [2024-11-13 20:42:54,778 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:42:54,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:42:54,780 INFO L158 Benchmark]: Toolchain (without parser) took 2417.64ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 86.9MB in the end (delta: 1.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-13 20:42:54,780 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:54,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1186.41ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 68.6MB in the end (delta: 20.1MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-13 20:42:54,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.97ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 66.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:54,781 INFO L158 Benchmark]: Boogie Preprocessor took 29.25ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 64.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:54,782 INFO L158 Benchmark]: RCFGBuilder took 520.36ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 49.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:42:54,782 INFO L158 Benchmark]: CodeCheck took 619.75ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 86.9MB in the end (delta: -37.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-13 20:42:54,783 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 86.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:54,792 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1186.41ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 68.6MB in the end (delta: 20.1MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.97ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 66.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.25ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 64.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.36ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 49.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 619.75ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 86.9MB in the end (delta: -37.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 86.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:42:54,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91384f55-53ba-4934-97b9-2174cd38fe9f/bin/ukojak-verify-EEHR8qb7sm/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 Result: UNKNOWN: Overapproximated counterexample