./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_18_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_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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 9393413c9bf6952d931e12ef435b7e08cc1888acd3195ca7032c495c797a7578 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:33:53,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:33:53,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:33:53,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:33:53,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:33:53,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:33:53,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:33:53,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:33:53,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:33:53,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:33:53,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:33:53,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:33:53,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:33:53,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:33:53,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:33:53,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:33:53,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:33:53,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:33:53,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:33:53,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:33:53,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:33:53,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:33:53,536 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:33:53,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:33:53,536 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:33:53,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:33:53,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:33:53,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:33:53,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:33:53,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:33:53,539 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:33:53,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:33:53,540 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_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9393413c9bf6952d931e12ef435b7e08cc1888acd3195ca7032c495c797a7578 [2024-11-09 00:33:53,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:33:53,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:33:53,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:33:53,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:33:53,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:33:53,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_18_bad.i Unable to find full path for "g++" [2024-11-09 00:33:55,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:33:56,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:33:56,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_18_bad.i [2024-11-09 00:33:56,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/data/b7b0ca61b/f8a5a624f92e40da9142798d20aec55f/FLAG302e8a696 [2024-11-09 00:33:56,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/data/b7b0ca61b/f8a5a624f92e40da9142798d20aec55f [2024-11-09 00:33:56,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:33:56,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:33:56,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:33:56,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:33:56,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:33:56,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:33:56" (1/1) ... [2024-11-09 00:33:56,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548e2dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:56, skipping insertion in model container [2024-11-09 00:33:56,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:33:56" (1/1) ... [2024-11-09 00:33:56,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:33:57,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:57,530 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:33:57,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:57,827 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:33:57,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57 WrapperNode [2024-11-09 00:33:57,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:33:57,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:57,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:33:57,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:33:57,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,881 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-09 00:33:57,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:57,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:33:57,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:33:57,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:33:57,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:33:57,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:33:57,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:33:57,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:33:57,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:33:57,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:33:57,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:33:57,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:33:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:33:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:33:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:33:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:33:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:33:58,148 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:33:58,151 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:33:58,286 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 00:33:58,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:33:58,328 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:33:58,329 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:33:58,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:58 BoogieIcfgContainer [2024-11-09 00:33:58,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:33:58,330 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:33:58,331 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:33:58,342 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:33:58,342 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:33:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:33:58,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:33:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:33:58,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:58,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:58,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:33:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:58,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:33:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:33:58,700 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:33:58,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:33:58 ImpRootNode [2024-11-09 00:33:58,730 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:33:58,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:33:58,731 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:33:58,731 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:33:58,731 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:58" (3/4) ... [2024-11-09 00:33:58,734 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:33:58,736 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:33:58,737 INFO L158 Benchmark]: Toolchain (without parser) took 2351.48ms. Allocated memory is still 134.2MB. Free memory was 99.8MB in the beginning and 86.8MB in the end (delta: 13.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-09 00:33:58,737 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:33:58,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1439.94ms. Allocated memory is still 134.2MB. Free memory was 99.8MB in the beginning and 73.2MB in the end (delta: 26.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-09 00:33:58,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.51ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 70.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:33:58,739 INFO L158 Benchmark]: Boogie Preprocessor took 24.92ms. Allocated memory is still 134.2MB. Free memory was 70.1MB in the beginning and 69.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:33:58,739 INFO L158 Benchmark]: RCFGBuilder took 421.65ms. Allocated memory is still 134.2MB. Free memory was 69.0MB in the beginning and 55.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:33:58,740 INFO L158 Benchmark]: CodeCheck took 399.43ms. Allocated memory is still 134.2MB. Free memory was 55.4MB in the beginning and 87.5MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:33:58,741 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 86.8MB in the end (delta: 719.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:33:58,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_18_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] [L1558] --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 0.33ms. Allocated memory is still 98.6MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1439.94ms. Allocated memory is still 134.2MB. Free memory was 99.8MB in the beginning and 73.2MB in the end (delta: 26.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.51ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 70.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.92ms. Allocated memory is still 134.2MB. Free memory was 70.1MB in the beginning and 69.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.65ms. Allocated memory is still 134.2MB. Free memory was 69.0MB in the beginning and 55.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 399.43ms. Allocated memory is still 134.2MB. Free memory was 55.4MB in the beginning and 87.5MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 86.8MB in the end (delta: 719.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:33:58,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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 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_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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 9393413c9bf6952d931e12ef435b7e08cc1888acd3195ca7032c495c797a7578 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:34:01,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:34:01,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:34:01,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:34:01,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:34:01,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:34:01,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:34:01,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:34:01,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:34:01,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:34:01,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:34:01,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:34:01,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:34:01,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:34:01,394 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:34:01,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:34:01,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:34:01,398 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:34:01,399 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:34:01,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:34:01,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:34:01,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:34:01,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:34:01,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:34:01,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:34:01,401 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:01,401 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:34:01,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:34:01,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:34:01,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:34:01,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:34:01,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:34:01,403 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:34:01,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:01,404 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:34:01,404 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_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9393413c9bf6952d931e12ef435b7e08cc1888acd3195ca7032c495c797a7578 [2024-11-09 00:34:01,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:34:01,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:34:01,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:34:01,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:34:01,845 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:34:01,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_18_bad.i Unable to find full path for "g++" [2024-11-09 00:34:04,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:34:04,564 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:34:04,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_18_bad.i [2024-11-09 00:34:04,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/data/0f1bfbd27/310ded221d9e47eebca494ad717c1517/FLAGb2103b6ab [2024-11-09 00:34:04,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/data/0f1bfbd27/310ded221d9e47eebca494ad717c1517 [2024-11-09 00:34:04,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:34:04,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:34:04,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:34:04,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:34:04,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:34:04,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:34:04" (1/1) ... [2024-11-09 00:34:04,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c72eaac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:04, skipping insertion in model container [2024-11-09 00:34:04,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:34:04" (1/1) ... [2024-11-09 00:34:04,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:34:05,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:34:05,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:34:05,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:34:06,010 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:34:06,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06 WrapperNode [2024-11-09 00:34:06,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:34:06,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:34:06,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:34:06,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:34:06,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,082 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-09 00:34:06,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:34:06,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:34:06,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:34:06,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:34:06,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:34:06,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:34:06,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:34:06,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:34:06,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:34:06,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:34:06,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:34:06,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:34:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:34:06,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:34:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:34:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:34:06,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:34:06,334 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:34:06,336 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:34:06,481 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-09 00:34:06,482 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:34:06,538 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:34:06,538 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:34:06,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:06 BoogieIcfgContainer [2024-11-09 00:34:06,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:34:06,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:34:06,540 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:34:06,557 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:34:06,557 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:06" (1/1) ... [2024-11-09 00:34:06,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:34:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:34:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:34:06,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:34:06,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:06,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:06,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:06,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:06,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:34:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:34:06,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:34:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:34:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:34:06,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:34:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:34:06,999 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:34:07,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:34:07,005 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:34:07,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:34:07 ImpRootNode [2024-11-09 00:34:07,042 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:34:07,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:34:07,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:34:07,044 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:34:07,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:06" (3/4) ... [2024-11-09 00:34:07,047 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:34:07,048 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:34:07,049 INFO L158 Benchmark]: Toolchain (without parser) took 2431.68ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 59.7MB in the beginning and 72.2MB in the end (delta: -12.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-09 00:34:07,050 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:34:07,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1393.22ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 35.8MB in the end (delta: 23.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-09 00:34:07,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.86ms. Allocated memory is still 88.1MB. Free memory was 35.8MB in the beginning and 57.2MB in the end (delta: -21.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-09 00:34:07,053 INFO L158 Benchmark]: Boogie Preprocessor took 36.70ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:34:07,055 INFO L158 Benchmark]: RCFGBuilder took 418.62ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 39.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:34:07,056 INFO L158 Benchmark]: CodeCheck took 503.11ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 39.2MB in the beginning and 72.9MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:34:07,057 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 111.1MB. Free memory was 72.9MB in the beginning and 72.2MB in the end (delta: 605.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:34:07,063 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: 1558]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_18_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] [L1558] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1393.22ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 35.8MB in the end (delta: 23.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.86ms. Allocated memory is still 88.1MB. Free memory was 35.8MB in the beginning and 57.2MB in the end (delta: -21.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.70ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.62ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 39.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 503.11ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 39.2MB in the beginning and 72.9MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 111.1MB. Free memory was 72.9MB in the beginning and 72.2MB in the end (delta: 605.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:34:07,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e074a1-acf6-4b2a-9d13-3cc3c6213789/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample