./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_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_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:28:58,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:28:58,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:28:58,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:28:58,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:28:59,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:28:59,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:28:59,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:28:59,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:28:59,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:28:59,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:28:59,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:28:59,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:28:59,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:28:59,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:28:59,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:28:59,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:28:59,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:28:59,011 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:28:59,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:28:59,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:28:59,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:28:59,011 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:28:59,011 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:28:59,012 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:28:59,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:28:59,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:28:59,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:28:59,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:28:59,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:28:59,013 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:28:59,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:28:59,013 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_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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 -> 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd [2024-11-13 20:28:59,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:28:59,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:28:59,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:28:59,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:28:59,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:28:59,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i Unable to find full path for "g++" [2024-11-13 20:29:01,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:29:01,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:29:01,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-13 20:29:01,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/data/4207ea792/29bd78d7e8e24ca7a0ed394a0290274d/FLAG74d374a69 [2024-11-13 20:29:01,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/data/4207ea792/29bd78d7e8e24ca7a0ed394a0290274d [2024-11-13 20:29:01,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:29:01,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:29:01,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:29:01,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:29:01,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:29:01,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:01" (1/1) ... [2024-11-13 20:29:01,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40af3ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:01, skipping insertion in model container [2024-11-13 20:29:01,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:01" (1/1) ... [2024-11-13 20:29:01,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:29:02,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:29:02,697 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:29:02,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:29:02,982 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:29:02,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02 WrapperNode [2024-11-13 20:29:02,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:29:02,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:29:02,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:29:02,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:29:02,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,026 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 46 [2024-11-13 20:29:03,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:29:03,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:29:03,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:29:03,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:29:03,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:29:03,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:29:03,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:29:03,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:29:03,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:02" (1/1) ... [2024-11-13 20:29:03,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:29:03,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:29:03,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:29:03,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:29:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:29:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:29:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:29:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:29:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:29:03,273 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:29:03,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:29:03,376 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:29:03,376 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:29:03,420 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:29:03,420 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:29:03,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:03 BoogieIcfgContainer [2024-11-13 20:29:03,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:29:03,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:29:03,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:29:03,437 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:29:03,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:03" (1/1) ... [2024-11-13 20:29:03,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:29:03,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:29:03,508 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:29:03,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:29:03,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:03,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:29:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:29:03,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:29:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:29:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:29:03,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:29:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:29:03,779 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:29:03,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:29:03 ImpRootNode [2024-11-13 20:29:03,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:29:03,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:29:03,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:29:03,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:29:03,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:03" (3/4) ... [2024-11-13 20:29:03,817 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:29:03,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:29:03,819 INFO L158 Benchmark]: Toolchain (without parser) took 2035.75ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 51.0MB in the end (delta: 39.6MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 20:29:03,820 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:29:03,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1197.41ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 82.5MB in the end (delta: 7.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:29:03,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.08ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:29:03,824 INFO L158 Benchmark]: Boogie Preprocessor took 19.54ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.3MB in the end (delta: 591.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:29:03,824 INFO L158 Benchmark]: RCFGBuilder took 373.39ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 65.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:29:03,824 INFO L158 Benchmark]: CodeCheck took 390.24ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 51.6MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:29:03,825 INFO L158 Benchmark]: Witness Printer took 6.53ms. Allocated memory is still 117.4MB. Free memory was 51.6MB in the beginning and 51.0MB in the end (delta: 591.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:29:03,829 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_sub_54e_badSink(data) [L1582] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1197.41ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 82.5MB in the end (delta: 7.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.08ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.54ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.3MB in the end (delta: 591.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 373.39ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 65.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 390.24ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 51.6MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.53ms. Allocated memory is still 117.4MB. Free memory was 51.6MB in the beginning and 51.0MB in the end (delta: 591.0kB). 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 20:29:03,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:29:06,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:29:06,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:29:06,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:29:06,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:29:06,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:29:06,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:29:06,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:29:06,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:29:06,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:29:06,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:29:06,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:29:06,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:29:06,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:29:06,576 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:29:06,576 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:29:06,577 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:06,577 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:29:06,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:29:06,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:29:06,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:29:06,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:29:06,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:29:06,578 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:29:06,578 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:06,580 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:29:06,580 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_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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 -> 6e12c83a741f2f74b7643a0a316a10f646a065896e5e91a094b749a10d3e0bbd [2024-11-13 20:29:06,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:29:06,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:29:06,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:29:06,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:29:06,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:29:06,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i Unable to find full path for "g++" [2024-11-13 20:29:08,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:29:09,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:29:09,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_54_bad.i [2024-11-13 20:29:09,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/data/d61f8dd0f/1a1a9dabdc1742a5ba8588377fc2d2dd/FLAGd33ebbf4e [2024-11-13 20:29:09,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/data/d61f8dd0f/1a1a9dabdc1742a5ba8588377fc2d2dd [2024-11-13 20:29:09,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:29:09,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:29:09,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:29:09,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:29:09,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:29:09,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:09" (1/1) ... [2024-11-13 20:29:09,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eedfbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:09, skipping insertion in model container [2024-11-13 20:29:09,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:09" (1/1) ... [2024-11-13 20:29:09,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:29:10,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:29:10,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:29:10,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:29:10,730 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:29:10,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10 WrapperNode [2024-11-13 20:29:10,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:29:10,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:29:10,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:29:10,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:29:10,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,778 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 46 [2024-11-13 20:29:10,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:29:10,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:29:10,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:29:10,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:29:10,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:29:10,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:29:10,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:29:10,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:29:10,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:29:10,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:29:10,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:29:10,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:29:10,891 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:29:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:29:10,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:29:10,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:29:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:29:11,097 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:29:11,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:29:11,256 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:29:11,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:29:11,310 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:29:11,311 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:29:11,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:11 BoogieIcfgContainer [2024-11-13 20:29:11,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:29:11,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:29:11,312 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:29:11,323 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:29:11,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:11" (1/1) ... [2024-11-13 20:29:11,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:29:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:29:11,381 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:29:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:29:11,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:11,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:11,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:11,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:11,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:29:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:29:11,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:29:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:29:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:29:11,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:29:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:29:11,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:29:11,767 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:29:11,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:29:11 ImpRootNode [2024-11-13 20:29:11,801 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:29:11,803 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:29:11,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:29:11,803 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:29:11,805 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:11" (3/4) ... [2024-11-13 20:29:11,807 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:29:11,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:29:11,812 INFO L158 Benchmark]: Toolchain (without parser) took 2473.67ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 89.6MB in the beginning and 210.1MB in the end (delta: -120.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-13 20:29:11,813 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:29:11,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1392.06ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 69.1MB in the end (delta: 20.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 20:29:11,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.95ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 66.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:29:11,814 INFO L158 Benchmark]: Boogie Preprocessor took 39.79ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 65.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:29:11,818 INFO L158 Benchmark]: RCFGBuilder took 491.93ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 48.8MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:29:11,818 INFO L158 Benchmark]: CodeCheck took 489.78ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 48.3MB in the beginning and 210.1MB in the end (delta: -161.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-13 20:29:11,819 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 243.3MB. Free memory was 210.1MB in the beginning and 210.1MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:29:11,820 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_sub_54e_badSink(data) [L1582] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1392.06ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 69.1MB in the end (delta: 20.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.95ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 66.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.79ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 65.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 491.93ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 48.8MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 489.78ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 48.3MB in the beginning and 210.1MB in the end (delta: -161.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 243.3MB. Free memory was 210.1MB in the beginning and 210.1MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:29:11,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd12fad-ffd6-47ee-b93b-d8a101ea2be3/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