./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_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_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/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_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/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_15b5f1c0-5339-4792-a575-3322e9ab34cc/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:07:04,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:07:04,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:07:04,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:07:04,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:07:04,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:07:04,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:07:04,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:07:04,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:07:04,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:07:04,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:07:04,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:07:04,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:07:04,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:07:04,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:07:04,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:07:04,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:07:04,982 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:07:04,982 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:07:04,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:07:04,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:07:04,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:07:04,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:07:04,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:07:04,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:07:04,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:07:04,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:07:04,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:07:04,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:07:04,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:07:04,993 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:07:04,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:07:04,993 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_15b5f1c0-5339-4792-a575-3322e9ab34cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2024-11-09 00:07:05,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:07:05,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:07:05,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:07:05,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:07:05,300 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:07:05,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i Unable to find full path for "g++" [2024-11-09 00:07:07,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:07:07,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:07:07,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-11-09 00:07:07,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/data/b04a530b1/e37b268a3a0a4e54b783bce98ab08e41/FLAGa150d4316 [2024-11-09 00:07:07,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/data/b04a530b1/e37b268a3a0a4e54b783bce98ab08e41 [2024-11-09 00:07:07,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:07:07,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:07:07,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:07:07,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:07:07,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:07:07,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:07:07" (1/1) ... [2024-11-09 00:07:07,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb5632f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:07, skipping insertion in model container [2024-11-09 00:07:07,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:07:07" (1/1) ... [2024-11-09 00:07:07,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:07:08,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:07:08,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:07:09,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:07:09,320 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:07:09,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09 WrapperNode [2024-11-09 00:07:09,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:07:09,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:07:09,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:07:09,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:07:09,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,388 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-09 00:07:09,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:07:09,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:07:09,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:07:09,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:07:09,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:07:09,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:07:09,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:07:09,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:07:09,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:09" (1/1) ... [2024-11-09 00:07:09,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:07:09,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:07:09,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:07:09,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:07:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:07:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:07:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:07:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:07:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:07:09,669 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:07:09,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:07:09,930 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-09 00:07:09,931 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:07:10,166 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:07:10,167 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:07:10,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:10 BoogieIcfgContainer [2024-11-09 00:07:10,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:07:10,168 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:07:10,168 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:07:10,179 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:07:10,179 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:10" (1/1) ... [2024-11-09 00:07:10,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:07:10,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:10,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:07:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:07:10,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:07:10,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:10,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:10,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:07:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:10,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:07:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:10,879 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:07:10,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:07:10 ImpRootNode [2024-11-09 00:07:10,911 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:07:10,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:07:10,914 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:07:10,915 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:07:10,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:10" (3/4) ... [2024-11-09 00:07:10,919 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:07:10,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:07:10,922 INFO L158 Benchmark]: Toolchain (without parser) took 3144.76ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 94.7MB in the beginning and 88.8MB in the end (delta: 6.0MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-11-09 00:07:10,923 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:07:10,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.86ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 94.5MB in the beginning and 117.1MB in the end (delta: -22.7MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-09 00:07:10,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.50ms. Allocated memory is still 190.8MB. Free memory was 117.1MB in the beginning and 114.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:07:10,927 INFO L158 Benchmark]: Boogie Preprocessor took 35.00ms. Allocated memory is still 190.8MB. Free memory was 114.2MB in the beginning and 112.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:07:10,928 INFO L158 Benchmark]: RCFGBuilder took 742.42ms. Allocated memory is still 190.8MB. Free memory was 112.3MB in the beginning and 131.8MB in the end (delta: -19.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-09 00:07:10,930 INFO L158 Benchmark]: CodeCheck took 743.14ms. Allocated memory is still 190.8MB. Free memory was 131.8MB in the beginning and 89.7MB in the end (delta: 42.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 00:07:10,930 INFO L158 Benchmark]: Witness Printer took 9.21ms. Allocated memory is still 190.8MB. Free memory was 89.7MB in the beginning and 88.8MB in the end (delta: 960.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:07:10,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1568]: 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 1560, overapproximation of bitwiseOr at line 1554. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] 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 0.30ms. Allocated memory is still 138.4MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.86ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 94.5MB in the beginning and 117.1MB in the end (delta: -22.7MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.50ms. Allocated memory is still 190.8MB. Free memory was 117.1MB in the beginning and 114.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.00ms. Allocated memory is still 190.8MB. Free memory was 114.2MB in the beginning and 112.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 742.42ms. Allocated memory is still 190.8MB. Free memory was 112.3MB in the beginning and 131.8MB in the end (delta: -19.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * CodeCheck took 743.14ms. Allocated memory is still 190.8MB. Free memory was 131.8MB in the beginning and 89.7MB in the end (delta: 42.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 9.21ms. Allocated memory is still 190.8MB. Free memory was 89.7MB in the beginning and 88.8MB in the end (delta: 960.6kB). 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 00:07:10,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/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_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/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_15b5f1c0-5339-4792-a575-3322e9ab34cc/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 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:07:13,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:07:13,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:07:13,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:07:13,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:07:13,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:07:13,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:07:13,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:07:13,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:07:13,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:07:13,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:07:13,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:07:13,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:07:13,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:07:13,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:07:13,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:07:13,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:07:13,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:07:13,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:07:13,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:07:13,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:07:13,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:07:13,776 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:07:13,776 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:07:13,777 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:07:13,777 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:13,777 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:07:13,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:07:13,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:07:13,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:07:13,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:07:13,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:07:13,779 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:07:13,780 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:13,780 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:07:13,780 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_15b5f1c0-5339-4792-a575-3322e9ab34cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bb90290aa47bfda330c107095a18933e9ab2bd57af7dd248e8b62632d1e550a [2024-11-09 00:07:14,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:07:14,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:07:14,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:07:14,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:07:14,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:07:14,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i Unable to find full path for "g++" [2024-11-09 00:07:16,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:07:16,729 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:07:16,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_bad.i [2024-11-09 00:07:16,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/data/1eda582a9/1538f37f4a024009b2a31f124c335429/FLAG012802bb5 [2024-11-09 00:07:16,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/data/1eda582a9/1538f37f4a024009b2a31f124c335429 [2024-11-09 00:07:16,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:07:16,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:07:16,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:07:16,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:07:16,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:07:16,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:07:16" (1/1) ... [2024-11-09 00:07:16,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b29b4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:16, skipping insertion in model container [2024-11-09 00:07:16,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:07:16" (1/1) ... [2024-11-09 00:07:16,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:07:17,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:07:17,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:07:18,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:07:18,257 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:07:18,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18 WrapperNode [2024-11-09 00:07:18,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:07:18,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:07:18,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:07:18,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:07:18,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,332 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-11-09 00:07:18,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:07:18,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:07:18,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:07:18,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:07:18,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:07:18,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:07:18,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:07:18,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:07:18,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:07:18,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:07:18,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:07:18,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:07:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:07:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:07:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:07:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:07:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:07:18,652 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:07:18,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:07:18,871 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-09 00:07:18,872 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:07:18,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:07:18,970 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:07:18,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:18 BoogieIcfgContainer [2024-11-09 00:07:18,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:07:18,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:07:18,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:07:18,981 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:07:18,982 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:18" (1/1) ... [2024-11-09 00:07:18,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:07:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:07:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:07:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:07:19,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:19,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:19,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:19,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:19,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:07:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:19,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:07:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:19,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:07:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:07:19,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:07:19,509 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:07:19,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:07:19 ImpRootNode [2024-11-09 00:07:19,546 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:07:19,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:07:19,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:07:19,549 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:07:19,549 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:07:18" (3/4) ... [2024-11-09 00:07:19,552 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:07:19,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:07:19,555 INFO L158 Benchmark]: Toolchain (without parser) took 2769.92ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 54.2MB in the beginning and 72.9MB in the end (delta: -18.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-09 00:07:19,555 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:07:19,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1471.38ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 54.2MB in the beginning and 51.5MB in the end (delta: 2.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-09 00:07:19,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.91ms. Allocated memory is still 104.9MB. Free memory was 51.5MB in the beginning and 48.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:07:19,558 INFO L158 Benchmark]: Boogie Preprocessor took 49.53ms. Allocated memory is still 104.9MB. Free memory was 48.3MB in the beginning and 76.9MB in the end (delta: -28.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-09 00:07:19,558 INFO L158 Benchmark]: RCFGBuilder took 587.19ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 56.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:07:19,560 INFO L158 Benchmark]: CodeCheck took 573.29ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 72.9MB in the end (delta: -16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:07:19,560 INFO L158 Benchmark]: Witness Printer took 6.68ms. Allocated memory is still 104.9MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:07:19,564 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: 0.5s, 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, 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: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_postdec_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] 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 0.45ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1471.38ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 54.2MB in the beginning and 51.5MB in the end (delta: 2.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.91ms. Allocated memory is still 104.9MB. Free memory was 51.5MB in the beginning and 48.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.53ms. Allocated memory is still 104.9MB. Free memory was 48.3MB in the beginning and 76.9MB in the end (delta: -28.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 587.19ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 56.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 573.29ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 72.9MB in the end (delta: -16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.68ms. Allocated memory is still 104.9MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:07:19,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15b5f1c0-5339-4792-a575-3322e9ab34cc/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