./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_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_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/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_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/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_213140f2-9b09-4120-aebd-d273678affd9/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 593440c4bf03b8eb36fc6a6249bf291e1131c945efe4bd7449ddda4e6c77862d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:08:38,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:08:38,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:08:38,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:08:38,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:08:38,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:08:38,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:08:38,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:08:38,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:08:38,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:08:38,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:08:38,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:08:38,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:08:38,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:08:38,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:08:38,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:08:38,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:08:38,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:08:38,814 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:08:38,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:08:38,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:08:38,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:08:38,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:08:38,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:08:38,815 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:08:38,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:08:38,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:38,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:08:38,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:08:38,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:08:38,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:08:38,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:08:38,816 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_213140f2-9b09-4120-aebd-d273678affd9/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 -> 593440c4bf03b8eb36fc6a6249bf291e1131c945efe4bd7449ddda4e6c77862d [2024-11-13 21:08:39,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:08:39,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:08:39,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:08:39,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:08:39,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:08:39,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i Unable to find full path for "g++" [2024-11-13 21:08:40,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:08:41,446 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:08:41,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i [2024-11-13 21:08:41,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/data/1e7c17f51/6e370d97acb34d8ea67b9e0dc52905b4/FLAGc9b30ee37 [2024-11-13 21:08:41,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/data/1e7c17f51/6e370d97acb34d8ea67b9e0dc52905b4 [2024-11-13 21:08:41,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:08:41,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:08:41,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:41,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:08:41,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:08:41,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:41" (1/1) ... [2024-11-13 21:08:41,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a005126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:41, skipping insertion in model container [2024-11-13 21:08:41,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:41" (1/1) ... [2024-11-13 21:08:41,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:08:42,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:42,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:08:42,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:42,708 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:42,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42 WrapperNode [2024-11-13 21:08:42,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:42,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:42,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:42,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:42,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,768 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 40 [2024-11-13 21:08:42,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:42,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:42,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:42,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:42,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:42,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:42,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:42,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:42,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:42" (1/1) ... [2024-11-13 21:08:42,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:42,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:42,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:42,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:08:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:08:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:08:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:43,069 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:43,071 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:43,174 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:43,174 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:08:43,215 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:08:43,215 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:08:43,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:43 BoogieIcfgContainer [2024-11-13 21:08:43,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:08:43,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:08:43,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:08:43,227 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:08:43,227 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:43" (1/1) ... [2024-11-13 21:08:43,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:08:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:08:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:08:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:08:43,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:43,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:43,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:43,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:43,526 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:08:43,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:08:43 ImpRootNode [2024-11-13 21:08:43,559 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:08:43,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:08:43,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:08:43,560 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:08:43,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:43" (3/4) ... [2024-11-13 21:08:43,565 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:08:43,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:08:43,567 INFO L158 Benchmark]: Toolchain (without parser) took 2060.86ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 93.5MB in the end (delta: 22.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:43,567 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:43,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1201.51ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.5MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:08:43,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.15ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 53.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:43,571 INFO L158 Benchmark]: Boogie Preprocessor took 34.26ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 52.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:43,571 INFO L158 Benchmark]: RCFGBuilder took 408.77ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 107.7MB in the end (delta: -55.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 21:08:43,571 INFO L158 Benchmark]: CodeCheck took 343.39ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 93.5MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:08:43,574 INFO L158 Benchmark]: Witness Printer took 5.99ms. Allocated memory is still 142.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:43,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_51b_badSink(data) [L1567] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1201.51ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.5MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.15ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 53.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.26ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 52.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.77ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 107.7MB in the end (delta: -55.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 343.39ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 93.5MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.99ms. Allocated memory is still 142.6MB. Free memory is still 93.5MB. 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 21:08:43,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/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_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/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_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/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_213140f2-9b09-4120-aebd-d273678affd9/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 593440c4bf03b8eb36fc6a6249bf291e1131c945efe4bd7449ddda4e6c77862d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:08:46,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:08:46,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:08:46,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:08:46,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:08:46,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:08:46,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:08:46,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:08:46,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:08:46,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:08:46,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:08:46,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:08:46,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:08:46,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:08:46,326 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:08:46,326 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:08:46,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:08:46,326 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:08:46,326 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:08:46,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:08:46,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:08:46,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:08:46,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:08:46,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:08:46,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:08:46,329 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:46,329 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:08:46,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:08:46,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:46,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:08:46,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:08:46,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:08:46,330 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:08:46,330 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:46,330 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:08:46,330 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_213140f2-9b09-4120-aebd-d273678affd9/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 -> 593440c4bf03b8eb36fc6a6249bf291e1131c945efe4bd7449ddda4e6c77862d [2024-11-13 21:08:46,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:08:46,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:08:46,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:08:46,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:08:46,674 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:08:46,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i Unable to find full path for "g++" [2024-11-13 21:08:48,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:08:49,036 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:08:49,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i [2024-11-13 21:08:49,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/data/0dc450bc1/4dacf4e26d0c43bfa503fcf34bc23c49/FLAG3cfb1443a [2024-11-13 21:08:49,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/data/0dc450bc1/4dacf4e26d0c43bfa503fcf34bc23c49 [2024-11-13 21:08:49,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:08:49,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:08:49,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:49,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:08:49,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:08:49,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:49" (1/1) ... [2024-11-13 21:08:49,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac04710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:49, skipping insertion in model container [2024-11-13 21:08:49,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:49" (1/1) ... [2024-11-13 21:08:49,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:08:50,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:50,148 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:08:50,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:50,430 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:50,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50 WrapperNode [2024-11-13 21:08:50,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:50,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:50,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:50,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:50,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,505 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 40 [2024-11-13 21:08:50,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:50,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:50,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:50,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:50,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:50,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:50,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:50,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:50,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:50,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:50,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:50,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:08:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:08:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:08:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:50,763 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:50,765 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:50,894 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:50,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:08:50,971 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:08:50,975 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:08:50,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:50 BoogieIcfgContainer [2024-11-13 21:08:50,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:08:50,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:08:50,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:08:50,987 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:08:50,987 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:50" (1/1) ... [2024-11-13 21:08:50,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:08:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:08:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:08:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:08:51,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:51,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:51,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:51,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:51,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:08:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:51,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:51,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:51,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:08:51,388 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:08:51,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:08:51 ImpRootNode [2024-11-13 21:08:51,420 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:08:51,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:08:51,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:08:51,420 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:08:51,457 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:50" (3/4) ... [2024-11-13 21:08:51,460 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:08:51,463 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:08:51,467 INFO L158 Benchmark]: Toolchain (without parser) took 2362.45ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 90.0MB in the beginning and 205.0MB in the end (delta: -115.0MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2024-11-13 21:08:51,467 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:51,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1327.29ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 68.4MB in the end (delta: 21.5MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:51,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.31ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 65.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:51,468 INFO L158 Benchmark]: Boogie Preprocessor took 24.38ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:51,468 INFO L158 Benchmark]: RCFGBuilder took 439.97ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 48.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:08:51,469 INFO L158 Benchmark]: CodeCheck took 443.75ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 36.9MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:51,473 INFO L158 Benchmark]: Witness Printer took 43.49ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 36.9MB in the beginning and 205.0MB in the end (delta: -168.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-13 21:08:51,475 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_51b_badSink(data) [L1567] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1327.29ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 68.4MB in the end (delta: 21.5MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.31ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 65.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.38ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.97ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 48.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 443.75ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 36.9MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 43.49ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 36.9MB in the beginning and 205.0MB in the end (delta: -168.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:08:51,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213140f2-9b09-4120-aebd-d273678affd9/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