./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_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_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:38:57,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:38:57,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:38:57,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:38:57,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:38:57,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:38:57,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:38:57,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:38:57,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:38:57,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:38:57,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:38:57,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:38:57,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:38:57,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:38:57,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:38:57,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:38:57,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:38:57,827 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:38:57,827 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:38:57,827 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:38:57,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:38:57,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:38:57,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:38:57,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:38:57,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:38:57,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:38:57,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:57,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:38:57,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:38:57,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:38:57,831 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:38:57,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:38:57,832 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_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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 -> 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d [2024-11-13 16:38:58,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:38:58,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:38:58,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:38:58,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:38:58,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:38:58,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i Unable to find full path for "g++" [2024-11-13 16:39:00,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:39:01,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:39:01,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-13 16:39:01,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/data/635a524ff/a95a694136cb4e54b1e1739b4f0f4b92/FLAG439f7676c [2024-11-13 16:39:01,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/data/635a524ff/a95a694136cb4e54b1e1739b4f0f4b92 [2024-11-13 16:39:01,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:39:01,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:39:01,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:01,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:39:01,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:39:01,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:01" (1/1) ... [2024-11-13 16:39:01,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430263bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:01, skipping insertion in model container [2024-11-13 16:39:01,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:01" (1/1) ... [2024-11-13 16:39:01,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:39:02,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:02,672 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:39:02,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:03,007 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:39:03,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03 WrapperNode [2024-11-13 16:39:03,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:03,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:03,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:39:03,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:39:03,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,079 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-13 16:39:03,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:03,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:39:03,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:39:03,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:39:03,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:39:03,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:39:03,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:39:03,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:39:03,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:03,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:39:03,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:39:03,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:39:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:39:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:39:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:39:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:39:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:39:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:39:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:39:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:39:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:39:03,432 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:39:03,434 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:39:03,585 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 16:39:03,585 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:39:03,638 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:39:03,639 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:39:03,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:03 BoogieIcfgContainer [2024-11-13 16:39:03,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:39:03,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:39:03,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:39:03,652 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:39:03,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:03" (1/1) ... [2024-11-13 16:39:03,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:39:03,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:39:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:39:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:39:03,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:03,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:03,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:39:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:04,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:39:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:04,083 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:39:04,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:39:04 ImpRootNode [2024-11-13 16:39:04,122 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:39:04,124 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:39:04,124 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:39:04,125 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:39:04,126 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:03" (3/4) ... [2024-11-13 16:39:04,129 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:39:04,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:39:04,132 INFO L158 Benchmark]: Toolchain (without parser) took 2654.19ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 92.1MB in the end (delta: 24.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 16:39:04,132 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:04,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1529.97ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 56.6MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 16:39:04,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.97ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 54.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:39:04,134 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 53.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:04,136 INFO L158 Benchmark]: RCFGBuilder took 531.20ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 108.3MB in the end (delta: -55.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 16:39:04,137 INFO L158 Benchmark]: CodeCheck took 482.49ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 92.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:39:04,139 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 142.6MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:04,145 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: 1552]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_63_bad() [L1560] int data; [L1561] data = 0 [L1562] data = (-0x7fffffff - 1) [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_63b_badSink(&data) [L1550] EXPR \read(*dataPtr) [L1550] int data = *dataPtr; [L1552] 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 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1529.97ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 56.6MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.97ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 54.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 53.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 531.20ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 108.3MB in the end (delta: -55.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 482.49ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 92.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 142.6MB. Free memory is still 92.1MB. 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 16:39:04,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:39:07,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:39:07,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:39:07,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:39:07,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:39:07,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:39:07,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:39:07,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:39:07,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:39:07,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:39:07,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:39:07,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:39:07,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:39:07,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:39:07,908 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:39:07,909 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:39:07,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:39:07,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:39:07,909 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:39:07,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:39:07,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:39:07,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:39:07,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:39:07,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:39:07,910 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:39:07,910 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:39:07,910 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:39:07,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:39:07,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:07,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:39:07,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:39:07,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:39:07,911 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:39:07,911 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:39:07,911 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:39:07,911 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_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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 -> 6551d48fa9866cf8bae66200bb2690df46beb5869d4f821770062ec0a84a452d [2024-11-13 16:39:08,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:39:08,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:39:08,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:39:08,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:39:08,382 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:39:08,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i Unable to find full path for "g++" [2024-11-13 16:39:11,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:39:11,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:39:11,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_63_bad.i [2024-11-13 16:39:11,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/data/866b3df23/69259a87ff784ece945fb1150cd52a46/FLAGe576ab48e [2024-11-13 16:39:11,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/data/866b3df23/69259a87ff784ece945fb1150cd52a46 [2024-11-13 16:39:11,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:39:11,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:39:11,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:11,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:39:11,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:39:11,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:11" (1/1) ... [2024-11-13 16:39:11,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e60e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:11, skipping insertion in model container [2024-11-13 16:39:11,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:11" (1/1) ... [2024-11-13 16:39:11,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:39:13,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:13,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:39:13,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:13,909 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:39:13,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13 WrapperNode [2024-11-13 16:39:13,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:13,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:13,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:39:13,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:39:13,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:13,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:13,978 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-13 16:39:13,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:13,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:39:13,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:39:13,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:39:13,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:13,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:13,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:14,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:14,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:14,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:14,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:14,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:14,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:39:14,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:39:14,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:39:14,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:39:14,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:13" (1/1) ... [2024-11-13 16:39:14,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:14,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:39:14,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:39:14,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:39:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:39:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:39:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:39:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:39:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:39:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:39:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 16:39:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:39:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 16:39:14,311 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:39:14,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:39:14,488 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 16:39:14,489 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:39:14,579 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:39:14,579 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:39:14,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:14 BoogieIcfgContainer [2024-11-13 16:39:14,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:39:14,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:39:14,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:39:14,593 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:39:14,594 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:14" (1/1) ... [2024-11-13 16:39:14,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:39:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:39:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:39:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:39:14,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:14,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:39:14,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:39:14,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:39:14,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:39:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:14,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:39:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:15,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:39:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:39:15,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:39:15,308 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:39:15,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:39:15 ImpRootNode [2024-11-13 16:39:15,352 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:39:15,354 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:39:15,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:39:15,355 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:39:15,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:14" (3/4) ... [2024-11-13 16:39:15,359 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:39:15,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:39:15,362 INFO L158 Benchmark]: Toolchain (without parser) took 3604.43ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 80.5MB in the end (delta: 9.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-13 16:39:15,362 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 84.3MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:15,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2148.57ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 66.8MB in the end (delta: 22.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-13 16:39:15,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.88ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:15,367 INFO L158 Benchmark]: Boogie Preprocessor took 58.83ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 62.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:15,368 INFO L158 Benchmark]: RCFGBuilder took 541.29ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 46.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:39:15,368 INFO L158 Benchmark]: CodeCheck took 772.08ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 80.5MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:15,369 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 80.5MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:15,376 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: 0.7s, 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, 0.1s 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: 1552]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_63_bad() [L1560] int data; [L1561] data = 0 [L1562] data = (-0x7fffffff - 1) [L1563] CALL CWE191_Integer_Underflow__int_min_postdec_63b_badSink(&data) [L1550] EXPR \read(*dataPtr) [L1550] int data = *dataPtr; [L1552] 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 0.52ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 84.3MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2148.57ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 66.8MB in the end (delta: 22.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.88ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.83ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 62.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 541.29ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 46.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 772.08ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 80.5MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 80.5MB 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 16:39:15,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ac4749-e23c-4f36-8781-21d1e1f45fbd/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