./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_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_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/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_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/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_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:44,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:44,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:55:44,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:55:44,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:55:44,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:44,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:44,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:44,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:44,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:44,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:44,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:44,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:55:44,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:44,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:44,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:44,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:44,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:44,875 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:55:44,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:55:44,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:44,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:44,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:44,876 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:44,876 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:44,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:44,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:44,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:44,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:44,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:44,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:55:44,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:55:44,876 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_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/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 -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2024-11-13 20:55:45,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:45,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:45,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:45,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:45,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:45,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i Unable to find full path for "g++" [2024-11-13 20:55:47,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:47,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:47,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-11-13 20:55:47,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/data/3a7073fc2/028452b24ad04080b844af1f472740f7/FLAGb7661c281 [2024-11-13 20:55:47,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/data/3a7073fc2/028452b24ad04080b844af1f472740f7 [2024-11-13 20:55:47,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:47,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:47,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:47,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:47,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:47,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6fe9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47, skipping insertion in model container [2024-11-13 20:55:47,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:48,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:48,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:48,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:48,834 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:48,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48 WrapperNode [2024-11-13 20:55:48,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:48,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:48,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:48,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:48,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,903 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2024-11-13 20:55:48,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:48,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:48,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:48,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:48,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:48,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:48,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:48,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:48,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:48,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:48,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:48,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:55:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:55:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:49,169 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:49,171 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:49,466 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:49,468 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:49,728 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:49,728 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:55:49,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:49 BoogieIcfgContainer [2024-11-13 20:55:49,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:49,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:49,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:49,741 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:49,741 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:49" (1/1) ... [2024-11-13 20:55:49,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:49,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:55:49,807 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:55:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:55:49,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:49,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:50,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:50,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:50,399 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:55:50,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:55:50 ImpRootNode [2024-11-13 20:55:50,423 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:55:50,424 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:55:50,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:55:50,424 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:55:50,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:49" (3/4) ... [2024-11-13 20:55:50,427 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:55:50,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:55:50,429 INFO L158 Benchmark]: Toolchain (without parser) took 2847.87ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 107.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-13 20:55:50,430 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:50,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1254.32ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 55.9MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:55:50,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.91ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:50,431 INFO L158 Benchmark]: Boogie Preprocessor took 32.98ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 52.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:50,432 INFO L158 Benchmark]: RCFGBuilder took 788.73ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 83.1MB in the end (delta: -31.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:50,432 INFO L158 Benchmark]: CodeCheck took 693.57ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 107.7MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:50,432 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 107.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:50,434 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: 0.6s, 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: 1555]: 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 1571, overapproximation of bitwiseOr at line 1564. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=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 1.06ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1254.32ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 55.9MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.91ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.98ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 52.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 788.73ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 83.1MB in the end (delta: -31.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 693.57ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 107.7MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 107.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:55:50,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/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_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/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_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/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_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:53,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:53,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:55:53,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:53,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:53,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:53,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:53,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:53,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:53,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:53,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:53,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:53,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:53,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:53,230 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:55:53,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:55:53,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:53,230 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:55:53,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:55:53,230 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:55:53,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:53,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:53,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:53,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:53,231 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:53,231 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:53,231 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:55:53,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:53,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:53,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:53,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:53,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:53,234 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:55:53,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:53,234 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:55:53,234 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_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/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 -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2024-11-13 20:55:53,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:53,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:53,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:53,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:53,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:53,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i Unable to find full path for "g++" [2024-11-13 20:55:55,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:55,912 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:55,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-11-13 20:55:55,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/data/8facc660c/1ba1bc8b01344bd48f7db4558641752d/FLAG69e880bae [2024-11-13 20:55:55,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/data/8facc660c/1ba1bc8b01344bd48f7db4558641752d [2024-11-13 20:55:55,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:55,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:55,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:55,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:55,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:55,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:55" (1/1) ... [2024-11-13 20:55:55,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d49eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:55, skipping insertion in model container [2024-11-13 20:55:55,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:55" (1/1) ... [2024-11-13 20:55:56,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:56,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:56,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:57,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:57,244 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:57,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57 WrapperNode [2024-11-13 20:55:57,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:57,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:57,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:57,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:57,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,301 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-13 20:55:57,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:57,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:57,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:57,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:57,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:57,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:57,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:57,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:57,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:57,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:57,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:57,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:55:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:55:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:57,643 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:57,645 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:57,799 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:57,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:57,902 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:57,902 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:55:57,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:57 BoogieIcfgContainer [2024-11-13 20:55:57,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:57,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:57,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:57,932 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:57,932 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:57,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:55:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:55:58,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:55:58,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:58,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:58,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:58,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:58,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:55:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:58,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:58,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:58,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:55:58,481 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:55:58,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:55:58 ImpRootNode [2024-11-13 20:55:58,518 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:55:58,520 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:55:58,520 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:55:58,520 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:55:58,521 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:57" (3/4) ... [2024-11-13 20:55:58,524 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:55:58,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:55:58,527 INFO L158 Benchmark]: Toolchain (without parser) took 2551.55ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 38.6MB in the end (delta: 18.8MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-13 20:55:58,528 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:58,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1268.10ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 51.3MB in the end (delta: 5.9MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 20:55:58,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.42ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 48.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:58,530 INFO L158 Benchmark]: Boogie Preprocessor took 46.54ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:58,530 INFO L158 Benchmark]: RCFGBuilder took 571.26ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 53.0MB in the end (delta: -6.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-13 20:55:58,531 INFO L158 Benchmark]: CodeCheck took 596.83ms. Allocated memory is still 83.9MB. Free memory was 53.0MB in the beginning and 39.0MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:58,533 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 38.6MB in the end (delta: 426.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:58,535 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: 1555]: 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 1571. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=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 0.40ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1268.10ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 51.3MB in the end (delta: 5.9MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.42ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 48.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.54ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 571.26ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 53.0MB in the end (delta: -6.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * CodeCheck took 596.83ms. Allocated memory is still 83.9MB. Free memory was 53.0MB in the beginning and 39.0MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 38.6MB in the end (delta: 426.4kB). 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 20:55:58,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1080a2-c2e2-4f6d-8a65-bcf8804c67e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample