./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_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_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/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_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/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_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/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 f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:59:49,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:59:49,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:59:49,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:59:49,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:59:49,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:59:49,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:59:49,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:59:49,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:59:49,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:59:49,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:59:49,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:59:49,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:59:49,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:59:49,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:59:49,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:59:49,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:59:49,892 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:59:49,892 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:59:49,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:59:49,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:59:49,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:59:49,895 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:59:49,895 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:59:49,895 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:59:49,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:59:49,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:59:49,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:59:49,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:59:49,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:59:49,896 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:59:49,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:59:49,896 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_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/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 -> f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc [2024-11-13 21:59:50,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:59:50,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:59:50,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:59:50,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:59:50,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:59:50,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i Unable to find full path for "g++" [2024-11-13 21:59:52,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:59:52,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:59:52,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i [2024-11-13 21:59:52,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/data/ee262fa64/7a052e701dcd4f58bbc6001ac240cacb/FLAGe513b7c67 [2024-11-13 21:59:52,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/data/ee262fa64/7a052e701dcd4f58bbc6001ac240cacb [2024-11-13 21:59:52,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:59:52,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:59:52,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:59:52,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:59:52,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:59:52,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:59:52" (1/1) ... [2024-11-13 21:59:52,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2e62d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:52, skipping insertion in model container [2024-11-13 21:59:52,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:59:52" (1/1) ... [2024-11-13 21:59:52,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:59:53,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:59:53,639 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:59:53,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:59:53,942 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:59:53,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53 WrapperNode [2024-11-13 21:59:53,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:59:53,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:59:53,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:59:53,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:59:53,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:53,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,014 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-13 21:59:54,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:59:54,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:59:54,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:59:54,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:59:54,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:59:54,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:59:54,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:59:54,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:59:54,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:53" (1/1) ... [2024-11-13 21:59:54,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:59:54,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:59:54,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:59:54,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:59:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:59:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:59:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:59:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:59:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:59:54,302 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:59:54,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:59:54,407 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:59:54,407 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:59:54,446 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:59:54,447 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:59:54,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:59:54 BoogieIcfgContainer [2024-11-13 21:59:54,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:59:54,448 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:59:54,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:59:54,458 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:59:54,458 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:59:54" (1/1) ... [2024-11-13 21:59:54,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:59:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:54,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:59:54,509 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:59:54,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:59:54,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:54,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:59:54,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:59:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:59:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:59:54,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:59:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:59:54,754 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:59:54,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:59:54 ImpRootNode [2024-11-13 21:59:54,788 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:59:54,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:59:54,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:59:54,789 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:59:54,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:59:54" (3/4) ... [2024-11-13 21:59:54,793 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:59:54,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:59:54,798 INFO L158 Benchmark]: Toolchain (without parser) took 2173.64ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 49.3MB in the end (delta: 39.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 21:59:54,801 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:59:54,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1318.37ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.0MB in the end (delta: 9.0MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 21:59:54,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.79ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:59:54,803 INFO L158 Benchmark]: Boogie Preprocessor took 39.44ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:59:54,805 INFO L158 Benchmark]: RCFGBuilder took 390.96ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 63.2MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:59:54,805 INFO L158 Benchmark]: CodeCheck took 340.57ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 49.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:59:54,806 INFO L158 Benchmark]: Witness Printer took 8.43ms. Allocated memory is still 117.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:59:54,808 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1318.37ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.0MB in the end (delta: 9.0MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.79ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.44ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.96ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 63.2MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 340.57ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 49.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 8.43ms. Allocated memory is still 117.4MB. Free memory is still 49.3MB. 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 21:59:54,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/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_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/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_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/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_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/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 f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:59:57,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:59:57,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:59:57,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:59:57,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:59:57,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:59:57,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:59:57,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:59:57,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:59:57,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:59:57,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:59:57,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:59:57,544 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:59:57,544 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:59:57,544 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:59:57,544 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:57,544 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:59:57,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:59:57,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:59:57,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:59:57,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:59:57,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:59:57,545 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:59:57,546 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:57,546 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:59:57,546 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_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/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 -> f21adf687b4b5453bf9e3a1cfff58599a67d7a93719029c517b913a7d641d4dc [2024-11-13 21:59:57,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:59:57,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:59:57,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:59:57,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:59:57,888 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:59:57,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i Unable to find full path for "g++" [2024-11-13 21:59:59,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:00:00,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:00:00,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_21_bad.i [2024-11-13 22:00:00,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/data/6a3a785cc/cb4497ec255d4044aff2680c4a5d5b49/FLAG3cc371a2f [2024-11-13 22:00:00,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/data/6a3a785cc/cb4497ec255d4044aff2680c4a5d5b49 [2024-11-13 22:00:00,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:00:00,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:00:00,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:00,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:00:00,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:00:00,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:00" (1/1) ... [2024-11-13 22:00:00,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b74aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:00, skipping insertion in model container [2024-11-13 22:00:00,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:00" (1/1) ... [2024-11-13 22:00:00,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:00:01,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:01,396 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:00:01,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:01,727 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:00:01,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01 WrapperNode [2024-11-13 22:00:01,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:01,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:01,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:00:01,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:00:01,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,799 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-13 22:00:01,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:01,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:00:01,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:00:01,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:00:01,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:00:01,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:00:01,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:00:01,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:00:01,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:01" (1/1) ... [2024-11-13 22:00:01,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:01,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:00:01,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:00:01,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:00:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:00:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:00:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:00:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:00:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:00:02,142 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:00:02,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:00:02,265 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:00:02,265 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:00:02,331 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:00:02,332 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:00:02,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:02 BoogieIcfgContainer [2024-11-13 22:00:02,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:00:02,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:00:02,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:00:02,345 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:00:02,345 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:02" (1/1) ... [2024-11-13 22:00:02,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:00:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:00:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:00:02,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:00:02,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:02,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:02,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:02,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:02,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:00:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:00:02,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:00:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:00:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:00:02,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:00:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:00:02,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:00:02,833 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:00:02,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:00:02 ImpRootNode [2024-11-13 22:00:02,863 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:00:02,863 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:00:02,863 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:00:02,863 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:00:02,864 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:02" (3/4) ... [2024-11-13 22:00:02,867 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:00:02,867 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:00:02,868 INFO L158 Benchmark]: Toolchain (without parser) took 2501.81ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 89.0MB in the beginning and 209.5MB in the end (delta: -120.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-13 22:00:02,869 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:02,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1358.77ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.9MB in the end (delta: 21.1MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 22:00:02,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.21ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 64.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:02,870 INFO L158 Benchmark]: Boogie Preprocessor took 45.73ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:02,870 INFO L158 Benchmark]: RCFGBuilder took 486.16ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 47.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:00:02,871 INFO L158 Benchmark]: CodeCheck took 529.07ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 47.6MB in the beginning and 210.2MB in the end (delta: -162.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-13 22:00:02,871 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 243.3MB. Free memory was 210.2MB in the beginning and 209.5MB in the end (delta: 699.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:02,874 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.43ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1358.77ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.9MB in the end (delta: 21.1MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.21ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 64.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.73ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.16ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 47.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 529.07ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 47.6MB in the beginning and 210.2MB in the end (delta: -162.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 243.3MB. Free memory was 210.2MB in the beginning and 209.5MB in the end (delta: 699.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:00:02,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dc255c-977a-4d45-82a1-90ab6ce7e94f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample