./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk --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 5ff84a25f79d7ca7b95b5470e8a3910bea18b0f973621a03c0e9875fde66ac3b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:37:19,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:37:20,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:37:20,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:37:20,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:37:20,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:37:20,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:37:20,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:37:20,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:37:20,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:37:20,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:37:20,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:37:20,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:37:20,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:37:20,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:37:20,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:37:20,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:37:20,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:37:20,111 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:37:20,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:37:20,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:37:20,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:37:20,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:37:20,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:37:20,118 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:37:20,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:37:20,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:20,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:37:20,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:37:20,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:37:20,120 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:37:20,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:37:20,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ff84a25f79d7ca7b95b5470e8a3910bea18b0f973621a03c0e9875fde66ac3b [2024-11-08 23:37:20,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:37:20,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:37:20,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:37:20,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:37:20,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:37:20,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i Unable to find full path for "g++" [2024-11-08 23:37:22,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:37:22,980 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:37:22,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i [2024-11-08 23:37:23,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/data/78e6fd6a6/ceeccd30461b45dd8e29f6c435ba9e8a/FLAGad28687bc [2024-11-08 23:37:23,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/data/78e6fd6a6/ceeccd30461b45dd8e29f6c435ba9e8a [2024-11-08 23:37:23,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:37:23,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:37:23,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:23,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:37:23,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:37:23,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:23" (1/1) ... [2024-11-08 23:37:23,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1511bba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:23, skipping insertion in model container [2024-11-08 23:37:23,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:23" (1/1) ... [2024-11-08 23:37:23,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:37:24,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:24,197 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:37:24,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:24,523 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:37:24,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24 WrapperNode [2024-11-08 23:37:24,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:24,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:24,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:37:24,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:37:24,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,598 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 23:37:24,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:24,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:37:24,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:37:24,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:37:24,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:37:24,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:37:24,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:37:24,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:37:24,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:24" (1/1) ... [2024-11-08 23:37:24,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:24,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:37:24,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:37:24,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:37:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:37:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:37:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:37:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:37:24,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:37:24,857 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:37:24,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:37:24,961 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:37:24,961 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:37:25,010 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:37:25,011 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:37:25,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:25 BoogieIcfgContainer [2024-11-08 23:37:25,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:37:25,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:37:25,013 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:37:25,024 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:37:25,024 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:25" (1/1) ... [2024-11-08 23:37:25,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:37:25,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 23:37:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 23:37:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:37:25,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:25,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:25,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:37:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:25,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:37:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:25,370 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:37:25,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:37:25 ImpRootNode [2024-11-08 23:37:25,398 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:37:25,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:37:25,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:37:25,401 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:37:25,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:25" (3/4) ... [2024-11-08 23:37:25,406 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:37:25,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:37:25,408 INFO L158 Benchmark]: Toolchain (without parser) took 2382.91ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 105.9MB in the beginning and 118.8MB in the end (delta: -12.9MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-08 23:37:25,409 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:25,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1497.54ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 105.6MB in the beginning and 152.4MB in the end (delta: -46.7MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2024-11-08 23:37:25,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.23ms. Allocated memory is still 201.3MB. Free memory was 152.4MB in the beginning and 149.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:37:25,413 INFO L158 Benchmark]: Boogie Preprocessor took 35.54ms. Allocated memory is still 201.3MB. Free memory was 149.2MB in the beginning and 148.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:25,413 INFO L158 Benchmark]: RCFGBuilder took 371.89ms. Allocated memory is still 201.3MB. Free memory was 148.2MB in the beginning and 133.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:37:25,414 INFO L158 Benchmark]: CodeCheck took 385.50ms. Allocated memory is still 201.3MB. Free memory was 133.5MB in the beginning and 119.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:37:25,415 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 201.3MB. Free memory was 119.6MB in the beginning and 118.8MB in the end (delta: 773.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:25,418 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, 13 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: 1559]: 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_predec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1497.54ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 105.6MB in the beginning and 152.4MB in the end (delta: -46.7MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.23ms. Allocated memory is still 201.3MB. Free memory was 152.4MB in the beginning and 149.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.54ms. Allocated memory is still 201.3MB. Free memory was 149.2MB in the beginning and 148.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.89ms. Allocated memory is still 201.3MB. Free memory was 148.2MB in the beginning and 133.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 385.50ms. Allocated memory is still 201.3MB. Free memory was 133.5MB in the beginning and 119.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 201.3MB. Free memory was 119.6MB in the beginning and 118.8MB in the end (delta: 773.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:37:25,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk --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 5ff84a25f79d7ca7b95b5470e8a3910bea18b0f973621a03c0e9875fde66ac3b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:37:27,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:37:27,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:37:27,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:37:27,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:37:27,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:37:27,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:37:27,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:37:27,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:37:27,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:37:27,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:37:27,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:37:27,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:37:27,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:37:27,914 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:37:27,914 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:37:27,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:37:27,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:37:27,915 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:37:27,915 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:37:27,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:37:27,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:37:27,917 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:37:27,917 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:37:27,918 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:37:27,918 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:27,918 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:37:27,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:37:27,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:27,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:37:27,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:37:27,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:37:27,925 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:37:27,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:27,925 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:37:27,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ff84a25f79d7ca7b95b5470e8a3910bea18b0f973621a03c0e9875fde66ac3b [2024-11-08 23:37:28,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:37:28,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:37:28,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:37:28,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:37:28,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:37:28,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i Unable to find full path for "g++" [2024-11-08 23:37:30,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:37:30,884 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:37:30,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i [2024-11-08 23:37:30,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/data/95a6b6869/2d0f3493a4024d8cbaf6fe3e38137190/FLAG52b60fcd8 [2024-11-08 23:37:30,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/data/95a6b6869/2d0f3493a4024d8cbaf6fe3e38137190 [2024-11-08 23:37:30,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:37:30,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:37:30,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:30,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:37:30,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:37:30,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:30" (1/1) ... [2024-11-08 23:37:30,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad3a812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:30, skipping insertion in model container [2024-11-08 23:37:31,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:30" (1/1) ... [2024-11-08 23:37:31,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:37:32,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:32,264 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:37:32,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:32,549 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:37:32,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32 WrapperNode [2024-11-08 23:37:32,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:32,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:32,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:37:32,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:37:32,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,655 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 23:37:32,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:32,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:37:32,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:37:32,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:37:32,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:37:32,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:37:32,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:37:32,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:37:32,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:32" (1/1) ... [2024-11-08 23:37:32,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:32,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:37:32,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:37:32,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:37:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:37:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:37:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:37:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:37:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:37:33,005 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:37:33,008 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:37:33,154 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 23:37:33,155 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:37:33,232 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:37:33,233 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:37:33,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:33 BoogieIcfgContainer [2024-11-08 23:37:33,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:37:33,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:37:33,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:37:33,266 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:37:33,266 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:33" (1/1) ... [2024-11-08 23:37:33,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:37:33,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 23:37:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 23:37:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:37:33,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:33,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:33,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:37:33,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:37:33,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:37:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:33,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:37:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:33,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:37:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:33,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:37:33,680 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:37:33,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:37:33 ImpRootNode [2024-11-08 23:37:33,714 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:37:33,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:37:33,716 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:37:33,716 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:37:33,717 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:33" (3/4) ... [2024-11-08 23:37:33,721 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:37:33,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:37:33,723 INFO L158 Benchmark]: Toolchain (without parser) took 2737.01ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.7MB in the beginning and 39.9MB in the end (delta: -169.2kB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,723 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 29.3MB in the beginning and 29.3MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:33,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1561.09ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 33.8MB in the end (delta: 5.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.37ms. Allocated memory is still 81.8MB. Free memory was 33.8MB in the beginning and 51.5MB in the end (delta: -17.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,725 INFO L158 Benchmark]: Boogie Preprocessor took 67.29ms. Allocated memory is still 81.8MB. Free memory was 51.5MB in the beginning and 49.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,726 INFO L158 Benchmark]: RCFGBuilder took 504.82ms. Allocated memory is still 81.8MB. Free memory was 49.8MB in the beginning and 34.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,727 INFO L158 Benchmark]: CodeCheck took 479.39ms. Allocated memory is still 81.8MB. Free memory was 34.0MB in the beginning and 40.3MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:33,728 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 81.8MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:33,732 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, 13 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: 1559]: 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_predec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --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 0.28ms. Allocated memory is still 52.4MB. Free memory was 29.3MB in the beginning and 29.3MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1561.09ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 33.8MB in the end (delta: 5.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.37ms. Allocated memory is still 81.8MB. Free memory was 33.8MB in the beginning and 51.5MB in the end (delta: -17.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.29ms. Allocated memory is still 81.8MB. Free memory was 51.5MB in the beginning and 49.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.82ms. Allocated memory is still 81.8MB. Free memory was 49.8MB in the beginning and 34.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 479.39ms. Allocated memory is still 81.8MB. Free memory was 34.0MB in the beginning and 40.3MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 81.8MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:37:33,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2fe2b2-41bd-4271-aaa5-ea303ee4ea4b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample