./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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 b2b377f51454d038e6c17c51a7cb4aa7d909e95814f84e86886059618cc4346c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:02,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:02,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:00:02,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:00:02,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:00:02,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:02,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:02,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:02,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:02,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:02,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:02,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:02,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:00:02,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:02,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:02,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:02,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:02,248 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:02,248 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:02,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:02,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:02,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:02,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:02,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:02,251 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:02,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:02,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:02,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:02,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:02,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:02,253 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:00:02,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:00:02,253 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_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b377f51454d038e6c17c51a7cb4aa7d909e95814f84e86886059618cc4346c [2024-11-09 00:00:02,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:02,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:02,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:02,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:02,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:02,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i Unable to find full path for "g++" [2024-11-09 00:00:04,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:05,296 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:05,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i [2024-11-09 00:00:05,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/data/b7f936428/d5145faf575f4a2cae1261e4f579b8d1/FLAG5305241f6 [2024-11-09 00:00:05,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/data/b7f936428/d5145faf575f4a2cae1261e4f579b8d1 [2024-11-09 00:00:05,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:05,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:05,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:05,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:05,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:05,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:05" (1/1) ... [2024-11-09 00:00:05,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f42b3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:05, skipping insertion in model container [2024-11-09 00:00:05,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:05" (1/1) ... [2024-11-09 00:00:05,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:06,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:06,643 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:06,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:06,922 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:06,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06 WrapperNode [2024-11-09 00:00:06,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:06,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:06,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:06,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:06,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:06,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:06,984 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-09 00:00:06,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:06,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:06,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:06,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:06,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:06,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:07,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:07,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:07,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:07,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:07,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:07,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:07,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:07,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:07,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:07,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:07,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:06" (1/1) ... [2024-11-09 00:00:07,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:07,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:07,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:07,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:07,330 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:07,336 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:07,658 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:07,659 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:07,969 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:07,970 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:07,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:07 BoogieIcfgContainer [2024-11-09 00:00:07,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:07,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:07,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:07,985 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:07,986 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:07" (1/1) ... [2024-11-09 00:00:08,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:00:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:00:08,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:00:08,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:08,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:08,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:08,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:08,743 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:00:08,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:08 ImpRootNode [2024-11-09 00:00:08,782 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:08,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:08,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:08,785 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:08,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:07" (3/4) ... [2024-11-09 00:00:08,789 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:00:08,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:08,792 INFO L158 Benchmark]: Toolchain (without parser) took 3432.00ms. Allocated memory was 140.5MB in the beginning and 201.3MB in the end (delta: 60.8MB). Free memory was 98.3MB in the beginning and 124.6MB in the end (delta: -26.3MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-11-09 00:00:08,793 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:08,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1562.33ms. Allocated memory was 140.5MB in the beginning and 201.3MB in the end (delta: 60.8MB). Free memory was 98.3MB in the beginning and 141.4MB in the end (delta: -43.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:08,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.79ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 139.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:08,797 INFO L158 Benchmark]: Boogie Preprocessor took 28.75ms. Allocated memory is still 201.3MB. Free memory was 139.0MB in the beginning and 137.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:08,798 INFO L158 Benchmark]: RCFGBuilder took 956.26ms. Allocated memory is still 201.3MB. Free memory was 137.1MB in the beginning and 163.4MB in the end (delta: -26.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 00:00:08,799 INFO L158 Benchmark]: CodeCheck took 809.71ms. Allocated memory is still 201.3MB. Free memory was 163.4MB in the beginning and 125.5MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 00:00:08,800 INFO L158 Benchmark]: Witness Printer took 8.38ms. Allocated memory is still 201.3MB. Free memory was 125.5MB in the beginning and 124.6MB in the end (delta: 887.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:08,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570, overapproximation of bitwiseOr at line 1563. 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); [L1548] static int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.35ms. Allocated memory is still 140.5MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1562.33ms. Allocated memory was 140.5MB in the beginning and 201.3MB in the end (delta: 60.8MB). Free memory was 98.3MB in the beginning and 141.4MB in the end (delta: -43.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.79ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 139.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.75ms. Allocated memory is still 201.3MB. Free memory was 139.0MB in the beginning and 137.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 956.26ms. Allocated memory is still 201.3MB. Free memory was 137.1MB in the beginning and 163.4MB in the end (delta: -26.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 809.71ms. Allocated memory is still 201.3MB. Free memory was 163.4MB in the beginning and 125.5MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 8.38ms. Allocated memory is still 201.3MB. Free memory was 125.5MB in the beginning and 124.6MB in the end (delta: 887.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:00:08,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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 b2b377f51454d038e6c17c51a7cb4aa7d909e95814f84e86886059618cc4346c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:11,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:11,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:00:11,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:11,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:11,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:11,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:11,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:11,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:11,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:11,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:11,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:11,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:11,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:11,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:00:11,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:00:11,503 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:11,503 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:11,503 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:00:11,504 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:11,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:11,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:11,505 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:11,505 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:11,505 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:11,505 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:11,506 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:00:11,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:11,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:11,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:11,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:11,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:11,509 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:00:11,509 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:11,509 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:00:11,509 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_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b377f51454d038e6c17c51a7cb4aa7d909e95814f84e86886059618cc4346c [2024-11-09 00:00:11,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:11,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:11,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:11,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:11,912 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:11,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i Unable to find full path for "g++" [2024-11-09 00:00:14,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:14,515 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:14,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i [2024-11-09 00:00:14,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/data/705d11bd9/cd72437e5022490fafffc7356a994f81/FLAG6be8dc340 [2024-11-09 00:00:14,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/data/705d11bd9/cd72437e5022490fafffc7356a994f81 [2024-11-09 00:00:14,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:14,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:14,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:14,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:14,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:14,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:14,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56aac6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14, skipping insertion in model container [2024-11-09 00:00:14,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:14,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:15,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:15,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:15,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:16,042 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:16,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16 WrapperNode [2024-11-09 00:00:16,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:16,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:16,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:16,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:16,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,110 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-09 00:00:16,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:16,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:16,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:16,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:16,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:16,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:16,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:16,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:16,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:16,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:16,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:16,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:16,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:16,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:16,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:16,428 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:16,430 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:16,571 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:16,571 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:16,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:16,665 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:16,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:16 BoogieIcfgContainer [2024-11-09 00:00:16,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:16,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:16,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:16,678 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:16,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:16" (1/1) ... [2024-11-09 00:00:16,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:00:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:00:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:00:16,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:16,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:16,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:16,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:16,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:00:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:17,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:17,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:17,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:00:17,238 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:00:17,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:17 ImpRootNode [2024-11-09 00:00:17,275 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:17,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:17,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:17,276 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:17,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:16" (3/4) ... [2024-11-09 00:00:17,279 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:00:17,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:17,282 INFO L158 Benchmark]: Toolchain (without parser) took 2722.76ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 37.7MB in the beginning and 58.9MB in the end (delta: -21.1MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:17,282 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:17,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1482.51ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 37.6MB in the beginning and 69.5MB in the end (delta: -32.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-09 00:00:17,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.44ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 66.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:00:17,285 INFO L158 Benchmark]: Boogie Preprocessor took 46.74ms. Allocated memory is still 102.8MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:17,285 INFO L158 Benchmark]: RCFGBuilder took 504.69ms. Allocated memory is still 102.8MB. Free memory was 64.4MB in the beginning and 46.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:00:17,286 INFO L158 Benchmark]: CodeCheck took 608.45ms. Allocated memory is still 102.8MB. Free memory was 45.5MB in the beginning and 59.4MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:17,286 INFO L158 Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 102.8MB. Free memory was 59.4MB in the beginning and 58.9MB in the end (delta: 554.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:17,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1482.51ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 37.6MB in the beginning and 69.5MB in the end (delta: -32.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.44ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 66.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.74ms. Allocated memory is still 102.8MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.69ms. Allocated memory is still 102.8MB. Free memory was 64.4MB in the beginning and 46.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 608.45ms. Allocated memory is still 102.8MB. Free memory was 45.5MB in the beginning and 59.4MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.69ms. Allocated memory is still 102.8MB. Free memory was 59.4MB in the beginning and 58.9MB in the end (delta: 554.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:00:17,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9ef189-46ec-4480-ad35-ee1fc6ce0a9d/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