./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_34_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_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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 9da72f2ceac7e4a1a10af7388f64c2c421425f2e388d0fe36811e8d50984fbe1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:50:50,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:50:50,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:50:50,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:50:50,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:50:50,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:50:50,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:50:50,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:50:50,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:50:50,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:50:50,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:50:50,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:50:50,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:50:50,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:50:50,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:50:50,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:50:50,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:50:50,405 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:50:50,405 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:50:50,405 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:50:50,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:50:50,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:50:50,406 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:50:50,406 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:50:50,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:50:50,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:50:50,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:50:50,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:50:50,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:50:50,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:50:50,408 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:50:50,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:50:50,408 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_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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 -> 9da72f2ceac7e4a1a10af7388f64c2c421425f2e388d0fe36811e8d50984fbe1 [2024-11-13 21:50:50,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:50:50,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:50:50,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:50:50,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:50:50,783 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:50:50,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_34_bad.i Unable to find full path for "g++" [2024-11-13 21:50:52,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:50:53,173 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:50:53,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_34_bad.i [2024-11-13 21:50:53,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/data/1b260a149/8f7eb50e4a634142847964cbc72c2e56/FLAGf3506a48f [2024-11-13 21:50:53,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/data/1b260a149/8f7eb50e4a634142847964cbc72c2e56 [2024-11-13 21:50:53,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:50:53,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:50:53,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:53,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:50:53,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:50:53,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:53" (1/1) ... [2024-11-13 21:50:53,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d32ba6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:53, skipping insertion in model container [2024-11-13 21:50:53,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:53" (1/1) ... [2024-11-13 21:50:53,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:50:54,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:54,479 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:50:54,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:54,778 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:50:54,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54 WrapperNode [2024-11-13 21:50:54,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:54,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:54,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:50:54,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:50:54,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,841 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 21:50:54,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:54,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:50:54,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:50:54,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:50:54,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:50:54,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:50:54,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:50:54,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:50:54,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:54" (1/1) ... [2024-11-13 21:50:54,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:50:54,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:50:54,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:50:54,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:50:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:50:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:50:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:50:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:50:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:50:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:50:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:50:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:50:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:50:55,217 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:50:55,219 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:50:55,360 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:50:55,360 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:50:55,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:50:55,410 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:50:55,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:55 BoogieIcfgContainer [2024-11-13 21:50:55,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:50:55,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:50:55,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:50:55,426 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:50:55,426 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:55" (1/1) ... [2024-11-13 21:50:55,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:50:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:55,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:50:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:50:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:50:55,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:55,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:50:55,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:50:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:50:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:50:55,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:50:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:50:55,903 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:50:55,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:50:55 ImpRootNode [2024-11-13 21:50:55,945 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:50:55,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:50:55,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:50:55,946 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:50:55,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:55" (3/4) ... [2024-11-13 21:50:55,954 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:50:55,957 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:50:55,959 INFO L158 Benchmark]: Toolchain (without parser) took 2726.79ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 46.7MB in the end (delta: 42.2MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-11-13 21:50:55,963 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:55,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1547.49ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.7MB in the end (delta: 9.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-11-13 21:50:55,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.30ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:55,965 INFO L158 Benchmark]: Boogie Preprocessor took 31.51ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:55,966 INFO L158 Benchmark]: RCFGBuilder took 536.42ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 62.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:50:55,966 INFO L158 Benchmark]: CodeCheck took 533.11ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 47.3MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:50:55,970 INFO L158 Benchmark]: Witness Printer took 11.75ms. Allocated memory is still 117.4MB. Free memory was 47.3MB in the beginning and 46.7MB in the end (delta: 584.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:50:55,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1563]: 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 1572. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_min_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_min_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] data = (-0x7fffffff - 1) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1547.49ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.7MB in the end (delta: 9.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.30ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.51ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 536.42ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 62.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 533.11ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 47.3MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 11.75ms. Allocated memory is still 117.4MB. Free memory was 47.3MB in the beginning and 46.7MB in the end (delta: 584.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:50:56,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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 9da72f2ceac7e4a1a10af7388f64c2c421425f2e388d0fe36811e8d50984fbe1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:50:59,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:50:59,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:50:59,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:50:59,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:50:59,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:50:59,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:50:59,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:50:59,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:50:59,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:50:59,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:50:59,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:50:59,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:50:59,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:50:59,764 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:50:59,764 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:50:59,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:50:59,765 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:50:59,765 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:50:59,765 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:50:59,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:50:59,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:50:59,765 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:50:59,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:50:59,766 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:50:59,766 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:59,766 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:50:59,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:50:59,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:50:59,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:50:59,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:50:59,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:50:59,767 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:50:59,767 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:59,767 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:50:59,767 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_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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 -> 9da72f2ceac7e4a1a10af7388f64c2c421425f2e388d0fe36811e8d50984fbe1 [2024-11-13 21:51:00,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:51:00,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:51:00,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:51:00,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:51:00,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:51:00,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_34_bad.i Unable to find full path for "g++" [2024-11-13 21:51:02,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:51:03,134 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:51:03,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_34_bad.i [2024-11-13 21:51:03,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/data/c2dad86d4/bc96afd39f6d4f1c95495c463df15758/FLAG2da9f3d54 [2024-11-13 21:51:03,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/data/c2dad86d4/bc96afd39f6d4f1c95495c463df15758 [2024-11-13 21:51:03,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:51:03,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:51:03,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:03,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:51:03,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:51:03,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:03" (1/1) ... [2024-11-13 21:51:03,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ff3abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:03, skipping insertion in model container [2024-11-13 21:51:03,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:03" (1/1) ... [2024-11-13 21:51:03,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:51:04,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:04,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:51:04,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:04,970 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:51:04,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04 WrapperNode [2024-11-13 21:51:04,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:04,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:04,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:51:04,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:51:04,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,073 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 21:51:05,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:05,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:51:05,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:51:05,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:51:05,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:51:05,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:51:05,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:51:05,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:51:05,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:04" (1/1) ... [2024-11-13 21:51:05,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:05,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:51:05,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:51:05,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:51:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:51:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:51:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:51:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:51:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:51:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:51:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:51:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:51:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:51:05,430 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:51:05,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:51:05,657 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:51:05,657 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:51:05,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:51:05,746 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:51:05,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:05 BoogieIcfgContainer [2024-11-13 21:51:05,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:51:05,747 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:51:05,747 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:51:05,763 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:51:05,763 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:05" (1/1) ... [2024-11-13 21:51:05,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:51:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:05,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:51:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:51:05,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:51:05,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:05,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:51:05,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:51:05,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:51:05,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:51:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:51:06,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:51:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:51:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:51:06,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:51:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:51:06,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:51:06,444 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:51:06,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:51:06 ImpRootNode [2024-11-13 21:51:06,491 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:51:06,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:51:06,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:51:06,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:51:06,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:05" (3/4) ... [2024-11-13 21:51:06,498 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:51:06,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:51:06,501 INFO L158 Benchmark]: Toolchain (without parser) took 3303.58ms. Allocated memory is still 83.9MB. Free memory was 55.0MB in the beginning and 38.2MB in the end (delta: 16.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-13 21:51:06,504 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 83.9MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:06,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1772.44ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 48.5MB in the end (delta: 5.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 21:51:06,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.27ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 45.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:06,506 INFO L158 Benchmark]: Boogie Preprocessor took 55.23ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:51:06,507 INFO L158 Benchmark]: RCFGBuilder took 615.31ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 29.2MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:51:06,507 INFO L158 Benchmark]: CodeCheck took 744.42ms. Allocated memory is still 83.9MB. Free memory was 28.8MB in the beginning and 38.6MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:06,507 INFO L158 Benchmark]: Witness Printer took 7.13ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 38.2MB in the end (delta: 423.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:51:06,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1563]: 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 1572. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_min_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_min_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] data = (-0x7fffffff - 1) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 83.9MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1772.44ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 48.5MB in the end (delta: 5.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.27ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 45.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.23ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 615.31ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 29.2MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 744.42ms. Allocated memory is still 83.9MB. Free memory was 28.8MB in the beginning and 38.6MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.13ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 38.2MB in the end (delta: 423.3kB). 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 21:51:06,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5fb052-d729-46ab-a68a-4ff088ec75ff/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