./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_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_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/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_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/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_70bf342e-4894-492a-b3eb-22e1a92244b6/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 53dbce05f5c75d88b48f10ef195ab0b6f8fc72190577a30b811d6f12e142d2a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:01,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:01,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:35:01,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:35:01,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:35:01,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:01,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:01,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:01,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:01,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:01,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:01,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:01,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:35:01,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:01,680 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:01,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:01,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:01,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:01,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:01,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:01,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:01,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:35:01,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:35:01,682 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_70bf342e-4894-492a-b3eb-22e1a92244b6/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 -> 53dbce05f5c75d88b48f10ef195ab0b6f8fc72190577a30b811d6f12e142d2a8 [2024-11-13 20:35:01,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:02,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:02,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:02,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:02,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:02,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_bad.i Unable to find full path for "g++" [2024-11-13 20:35:03,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:04,323 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:04,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_bad.i [2024-11-13 20:35:04,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/data/106507822/d66b07d748a64a53ad21d0091b5c8efe/FLAGa2972e48e [2024-11-13 20:35:04,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/data/106507822/d66b07d748a64a53ad21d0091b5c8efe [2024-11-13 20:35:04,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:04,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:04,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:04,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:04,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:04,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:04" (1/1) ... [2024-11-13 20:35:04,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6c335a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:04, skipping insertion in model container [2024-11-13 20:35:04,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:04" (1/1) ... [2024-11-13 20:35:04,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:05,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:05,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:05,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:05,633 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:05,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05 WrapperNode [2024-11-13 20:35:05,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:05,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:05,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:05,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:05,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,701 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 20:35:05,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:05,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:05,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:05,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:05,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:05,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:05,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:05,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:05,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:05" (1/1) ... [2024-11-13 20:35:05,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:05,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:05,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:05,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:35:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:05,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:05,988 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:06,112 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:06,112 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:06,179 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:06,179 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:35:06,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:06 BoogieIcfgContainer [2024-11-13 20:35:06,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:06,181 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:06,181 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:06,192 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:06,192 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:06" (1/1) ... [2024-11-13 20:35:06,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:06,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:06,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:35:06,269 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:35:06,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:35:06,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:06,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:35:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:06,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:06,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:06,557 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:35:06,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:35:06 ImpRootNode [2024-11-13 20:35:06,595 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:35:06,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:35:06,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:35:06,596 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:35:06,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:06" (3/4) ... [2024-11-13 20:35:06,600 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:35:06,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:35:06,602 INFO L158 Benchmark]: Toolchain (without parser) took 2215.98ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 50.5MB in the end (delta: 38.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:06,603 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:06,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1247.07ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.7MB in the end (delta: 8.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 20:35:06,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.70ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:06,604 INFO L158 Benchmark]: Boogie Preprocessor took 41.58ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 77.4MB in the end (delta: 543.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:06,604 INFO L158 Benchmark]: RCFGBuilder took 434.19ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 64.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:06,605 INFO L158 Benchmark]: CodeCheck took 414.47ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 50.5MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:35:06,605 INFO L158 Benchmark]: Witness Printer took 5.80ms. Allocated memory is still 117.4MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:06,610 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: 1560]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE 1 [L1560] 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 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1247.07ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.7MB in the end (delta: 8.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.70ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.58ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 77.4MB in the end (delta: 543.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.19ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 64.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 414.47ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 50.5MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.80ms. Allocated memory is still 117.4MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:35:06,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/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_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/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_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/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_70bf342e-4894-492a-b3eb-22e1a92244b6/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 53dbce05f5c75d88b48f10ef195ab0b6f8fc72190577a30b811d6f12e142d2a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:09,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:09,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:35:09,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:09,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:09,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:09,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:09,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:09,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:09,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:09,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:09,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:09,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:09,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:09,483 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:35:09,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:35:09,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:09,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:35:09,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:35:09,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:35:09,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:09,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:09,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:09,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:09,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:09,484 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:09,485 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:35:09,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:09,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:09,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:09,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:09,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:09,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:35:09,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:09,485 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:35:09,486 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_70bf342e-4894-492a-b3eb-22e1a92244b6/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 -> 53dbce05f5c75d88b48f10ef195ab0b6f8fc72190577a30b811d6f12e142d2a8 [2024-11-13 20:35:09,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:09,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:09,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:09,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:09,875 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:09,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_bad.i Unable to find full path for "g++" [2024-11-13 20:35:11,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:12,361 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:12,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_16_bad.i [2024-11-13 20:35:12,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/data/58cacdaaa/e8075ea6cc864b2195cb6eef53a25ba1/FLAGaa924e4ee [2024-11-13 20:35:12,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/data/58cacdaaa/e8075ea6cc864b2195cb6eef53a25ba1 [2024-11-13 20:35:12,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:12,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:12,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:12,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:12,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:12,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:12" (1/1) ... [2024-11-13 20:35:12,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9cc49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:12, skipping insertion in model container [2024-11-13 20:35:12,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:12" (1/1) ... [2024-11-13 20:35:12,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:13,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:13,661 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:13,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:13,957 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:13,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13 WrapperNode [2024-11-13 20:35:13,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:13,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:13,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:13,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:13,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:13,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,024 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 20:35:14,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:14,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:14,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:14,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:14,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:14,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:14,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:14,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:14,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:13" (1/1) ... [2024-11-13 20:35:14,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:14,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:14,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:14,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:35:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:35:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:14,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:14,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:14,407 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:14,408 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:14,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:14,478 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:35:14,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:14 BoogieIcfgContainer [2024-11-13 20:35:14,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:14,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:14,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:14,490 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:14,490 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:14" (1/1) ... [2024-11-13 20:35:14,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:35:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:35:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:35:14,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:14,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:14,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:35:14,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:35:14,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:35:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:14,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:14,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:14,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:35:14,921 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:35:14,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:35:14 ImpRootNode [2024-11-13 20:35:14,957 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:35:14,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:35:14,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:35:14,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:35:14,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:14" (3/4) ... [2024-11-13 20:35:14,962 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:35:14,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:35:14,964 INFO L158 Benchmark]: Toolchain (without parser) took 2552.00ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 83.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-13 20:35:14,964 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:14,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1544.31ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 67.1MB in the end (delta: 21.5MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 20:35:14,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.03ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 63.8MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:14,967 INFO L158 Benchmark]: Boogie Preprocessor took 27.64ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:14,968 INFO L158 Benchmark]: RCFGBuilder took 425.98ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 46.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:35:14,968 INFO L158 Benchmark]: CodeCheck took 476.91ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 83.9MB in the end (delta: -37.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:14,968 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 83.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:14,974 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1560]: 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 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_min_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE 1 [L1560] 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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1544.31ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 67.1MB in the end (delta: 21.5MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.03ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 63.8MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.64ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.98ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 46.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 476.91ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 83.9MB in the end (delta: -37.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 83.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:35:15,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bf342e-4894-492a-b3eb-22e1a92244b6/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