./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_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_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/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_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/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_0c71db4f-9e5e-4383-87be-4e48498c72c9/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 b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:20:28,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:20:28,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:20:28,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:20:28,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:20:28,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:20:28,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:20:28,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:20:28,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:20:28,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:20:28,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:20:28,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:20:28,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:20:28,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:20:28,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:20:28,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:20:28,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:20:28,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:20:28,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:20:28,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:20:28,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:20:28,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:20:28,503 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:20:28,503 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:20:28,503 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:20:28,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:20:28,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:28,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:20:28,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:20:28,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:20:28,504 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:20:28,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:20:28,504 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_0c71db4f-9e5e-4383-87be-4e48498c72c9/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 -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2024-11-13 23:20:28,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:20:28,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:20:28,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:20:28,909 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:20:28,910 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:20:28,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i Unable to find full path for "g++" [2024-11-13 23:20:30,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:20:31,409 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:20:31,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-11-13 23:20:31,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/data/958bec391/383aa88782244a4091e66403641ea345/FLAGa3f3ab7c4 [2024-11-13 23:20:31,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/data/958bec391/383aa88782244a4091e66403641ea345 [2024-11-13 23:20:31,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:20:31,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:20:31,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:31,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:20:31,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:20:31,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:31" (1/1) ... [2024-11-13 23:20:31,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41bb246e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:31, skipping insertion in model container [2024-11-13 23:20:31,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:31" (1/1) ... [2024-11-13 23:20:31,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:20:32,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:32,735 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:20:32,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:33,043 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:20:33,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33 WrapperNode [2024-11-13 23:20:33,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:33,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:33,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:20:33,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:20:33,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,131 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-13 23:20:33,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:33,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:20:33,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:20:33,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:20:33,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:20:33,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:20:33,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:20:33,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:20:33,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:20:33,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:20:33,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:20:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:20:33,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:20:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:20:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:20:33,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:20:33,446 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:20:33,448 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:20:33,690 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-13 23:20:33,690 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:20:33,939 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:20:33,941 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:20:33,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:33 BoogieIcfgContainer [2024-11-13 23:20:33,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:20:33,943 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:20:33,943 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:20:33,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:20:33,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:33" (1/1) ... [2024-11-13 23:20:33,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:20:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:20:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:20:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:20:34,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:34,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:20:34,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:20:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:20:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:20:34,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:20:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:20:34,651 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:20:34,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:20:34 ImpRootNode [2024-11-13 23:20:34,690 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:20:34,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:20:34,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:20:34,692 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:20:34,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:33" (3/4) ... [2024-11-13 23:20:34,696 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:20:34,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:20:34,700 INFO L158 Benchmark]: Toolchain (without parser) took 3145.69ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 87.1MB in the end (delta: 29.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-13 23:20:34,700 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:34,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1489.48ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 106.6MB in the end (delta: 9.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 23:20:34,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.43ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 103.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:20:34,703 INFO L158 Benchmark]: Boogie Preprocessor took 45.71ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:34,705 INFO L158 Benchmark]: RCFGBuilder took 762.86ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 64.0MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:20:34,705 INFO L158 Benchmark]: CodeCheck took 746.52ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 87.9MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:34,706 INFO L158 Benchmark]: Witness Printer took 8.03ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 87.1MB in the end (delta: 794.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:20:34,708 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1551]: 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 1567, overapproximation of bitwiseOr at line 1561. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1489.48ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 106.6MB in the end (delta: 9.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.43ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 103.4MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.71ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 762.86ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 64.0MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 746.52ms. Allocated memory is still 142.6MB. Free memory was 64.0MB in the beginning and 87.9MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.03ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 87.1MB in the end (delta: 794.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:20:34,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/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 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_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/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_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/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_0c71db4f-9e5e-4383-87be-4e48498c72c9/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 b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:20:37,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:20:37,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:20:37,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:20:37,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:20:37,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:20:37,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:20:37,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:20:37,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:20:37,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:20:37,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:20:37,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:20:37,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:20:37,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:20:37,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:20:37,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:20:37,902 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:37,902 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:20:37,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:20:37,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:37,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:20:37,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:20:37,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:20:37,903 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:20:37,904 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:37,904 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:20:37,905 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_0c71db4f-9e5e-4383-87be-4e48498c72c9/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 -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2024-11-13 23:20:38,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:20:38,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:20:38,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:20:38,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:20:38,279 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:20:38,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i Unable to find full path for "g++" [2024-11-13 23:20:40,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:20:40,886 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:20:40,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-11-13 23:20:40,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/data/c418011ab/932dd189cfc64a779020978dbba0f973/FLAG87f35d339 [2024-11-13 23:20:40,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/data/c418011ab/932dd189cfc64a779020978dbba0f973 [2024-11-13 23:20:40,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:20:40,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:20:40,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:40,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:20:40,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:20:40,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:40" (1/1) ... [2024-11-13 23:20:40,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2671bb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:40, skipping insertion in model container [2024-11-13 23:20:40,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:20:40" (1/1) ... [2024-11-13 23:20:41,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:20:42,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:42,036 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:20:42,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:20:42,333 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:20:42,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42 WrapperNode [2024-11-13 23:20:42,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:20:42,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:42,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:20:42,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:20:42,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,413 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-11-13 23:20:42,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:20:42,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:20:42,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:20:42,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:20:42,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:20:42,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:20:42,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:20:42,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:20:42,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:20:42,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:20:42,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:20:42,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:20:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:20:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:20:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:20:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:20:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:20:42,702 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:20:42,704 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:20:42,876 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-13 23:20:42,876 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:20:42,974 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:20:42,974 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:20:42,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:42 BoogieIcfgContainer [2024-11-13 23:20:42,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:20:42,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:20:42,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:20:42,989 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:20:42,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:42" (1/1) ... [2024-11-13 23:20:42,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:20:43,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:20:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:20:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:20:43,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:43,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:43,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:43,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:43,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:20:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:20:43,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:20:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:20:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:20:43,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:20:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:20:43,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:20:43,520 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:20:43,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:20:43 ImpRootNode [2024-11-13 23:20:43,560 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:20:43,561 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:20:43,561 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:20:43,562 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:20:43,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:20:42" (3/4) ... [2024-11-13 23:20:43,567 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:20:43,568 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:20:43,569 INFO L158 Benchmark]: Toolchain (without parser) took 2612.80ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 78.9MB in the end (delta: 9.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-13 23:20:43,569 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:43,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.88ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 66.9MB in the end (delta: 21.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 23:20:43,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.25ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 63.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:43,572 INFO L158 Benchmark]: Boogie Preprocessor took 48.00ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:43,573 INFO L158 Benchmark]: RCFGBuilder took 512.55ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 43.2MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:20:43,574 INFO L158 Benchmark]: CodeCheck took 584.22ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 79.0MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:43,575 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:43,577 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: 1551]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --data 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 0.46ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.88ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 66.9MB in the end (delta: 21.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.25ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 63.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.00ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.55ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 43.2MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 584.22ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 79.0MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 35.5kB). 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 23:20:43,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c71db4f-9e5e-4383-87be-4e48498c72c9/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