./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_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_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/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_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/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_fa684d58-317c-4ae6-985f-7e74cc08c252/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 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:33,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:34,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:05:34,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:34,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:34,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:34,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:34,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:34,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:34,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:34,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:34,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:34,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:34,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:34,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:34,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:34,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:34,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:34,062 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:34,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:34,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:34,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:34,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:34,068 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:34,068 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:34,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:34,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:34,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:34,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:34,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:34,070 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:34,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:34,074 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_fa684d58-317c-4ae6-985f-7e74cc08c252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b [2024-11-08 22:05:34,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:34,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:34,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:34,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:34,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:34,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i Unable to find full path for "g++" [2024-11-08 22:05:36,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:36,848 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:36,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i [2024-11-08 22:05:36,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/data/f84e1ec3e/094c72e3a477436a9d9fd7076a53ad20/FLAG539dd4af3 [2024-11-08 22:05:36,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/data/f84e1ec3e/094c72e3a477436a9d9fd7076a53ad20 [2024-11-08 22:05:36,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:36,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:36,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:36,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:36,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:36,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47edacd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36, skipping insertion in model container [2024-11-08 22:05:36,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:37,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:38,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:38,327 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:38,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:38,745 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:38,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38 WrapperNode [2024-11-08 22:05:38,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:38,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:38,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:38,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:38,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,832 INFO L138 Inliner]: procedures = 501, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-08 22:05:38,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:38,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:38,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:38,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:38,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:38,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:38,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:38,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:38,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:38" (1/1) ... [2024-11-08 22:05:38,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:38,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:38,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:38,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:39,256 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:39,259 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:39,513 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:39,513 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:39,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:39,873 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:39,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:39 BoogieIcfgContainer [2024-11-08 22:05:39,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:39,875 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:39,875 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:39,887 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:39,887 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:39" (1/1) ... [2024-11-08 22:05:39,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:05:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:05:40,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:05:40,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:40,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:40,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:40,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:40,769 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:40,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:40 ImpRootNode [2024-11-08 22:05:40,802 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:40,804 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:40,806 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:40,806 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:40,807 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:39" (3/4) ... [2024-11-08 22:05:40,810 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:40,812 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:40,815 INFO L158 Benchmark]: Toolchain (without parser) took 3912.31ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 96.0MB in the beginning and 127.8MB in the end (delta: -31.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,815 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:40,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1841.99ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 96.0MB in the beginning and 138.5MB in the end (delta: -42.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.94ms. Allocated memory is still 192.9MB. Free memory was 138.5MB in the beginning and 135.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,819 INFO L158 Benchmark]: Boogie Preprocessor took 31.97ms. Allocated memory is still 192.9MB. Free memory was 134.3MB in the beginning and 133.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:40,820 INFO L158 Benchmark]: RCFGBuilder took 1005.25ms. Allocated memory is still 192.9MB. Free memory was 133.3MB in the beginning and 92.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,821 INFO L158 Benchmark]: CodeCheck took 927.00ms. Allocated memory is still 192.9MB. Free memory was 92.4MB in the beginning and 128.9MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:40,822 INFO L158 Benchmark]: Witness Printer took 9.16ms. Allocated memory is still 192.9MB. Free memory was 128.9MB in the beginning and 127.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:40,826 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: 0.8s, 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: 1582]: 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 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_54e_badSink(data) [L1582] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1841.99ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 96.0MB in the beginning and 138.5MB in the end (delta: -42.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.94ms. Allocated memory is still 192.9MB. Free memory was 138.5MB in the beginning and 135.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.97ms. Allocated memory is still 192.9MB. Free memory was 134.3MB in the beginning and 133.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1005.25ms. Allocated memory is still 192.9MB. Free memory was 133.3MB in the beginning and 92.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 927.00ms. Allocated memory is still 192.9MB. Free memory was 92.4MB in the beginning and 128.9MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.16ms. Allocated memory is still 192.9MB. Free memory was 128.9MB in the beginning and 127.8MB in the end (delta: 1.1MB). 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 [2024-11-08 22:05:40,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/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_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/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_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/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_fa684d58-317c-4ae6-985f-7e74cc08c252/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 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:43,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:43,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:05:43,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:43,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:43,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:43,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:43,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:43,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:43,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:43,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:43,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:43,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:43,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:43,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:05:43,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:05:43,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:43,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:43,804 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:05:43,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:43,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:43,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:43,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:43,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:43,809 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:43,810 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:43,810 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:05:43,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:43,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:43,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:43,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:43,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:43,812 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:05:43,812 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:43,812 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:05:43,814 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_fa684d58-317c-4ae6-985f-7e74cc08c252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b [2024-11-08 22:05:44,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:44,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:44,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:44,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:44,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:44,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i Unable to find full path for "g++" [2024-11-08 22:05:46,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:46,796 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:46,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i [2024-11-08 22:05:46,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/data/9d89f30fb/4b95b4b007b24a7ab1c65f798258de13/FLAG73f1ee403 [2024-11-08 22:05:46,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/data/9d89f30fb/4b95b4b007b24a7ab1c65f798258de13 [2024-11-08 22:05:46,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:46,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:46,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:46,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:46,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:46,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:46" (1/1) ... [2024-11-08 22:05:46,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a281070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:46, skipping insertion in model container [2024-11-08 22:05:46,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:46" (1/1) ... [2024-11-08 22:05:46,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:48,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:48,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:48,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:48,544 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:48,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48 WrapperNode [2024-11-08 22:05:48,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:48,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:48,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:48,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:48,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,624 INFO L138 Inliner]: procedures = 506, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 67 [2024-11-08 22:05:48,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:48,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:48,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:48,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:48,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:48,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:48,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:48,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:48,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:48" (1/1) ... [2024-11-08 22:05:48,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:48,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:48,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:48,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:48,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:48,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:49,173 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:49,173 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:49,300 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:49,300 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:49,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:49 BoogieIcfgContainer [2024-11-08 22:05:49,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:49,303 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:49,303 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:49,315 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:49,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:49" (1/1) ... [2024-11-08 22:05:49,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:49,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:05:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:05:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:05:49,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:49,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:49,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:49,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:49,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:05:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:49,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:49,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:49,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:05:49,814 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:49,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:49 ImpRootNode [2024-11-08 22:05:49,868 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:49,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:49,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:49,870 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:49,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:49" (3/4) ... [2024-11-08 22:05:49,874 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:49,876 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:49,877 INFO L158 Benchmark]: Toolchain (without parser) took 3016.77ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 52.0MB in the beginning and 74.9MB in the end (delta: -22.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:49,877 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 79.7MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:49,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1682.48ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 51.8MB in the beginning and 53.0MB in the end (delta: -1.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:49,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.88ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 49.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:49,881 INFO L158 Benchmark]: Boogie Preprocessor took 52.09ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 47.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:49,882 INFO L158 Benchmark]: RCFGBuilder took 621.68ms. Allocated memory is still 104.9MB. Free memory was 47.8MB in the beginning and 57.5MB in the end (delta: -9.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:49,883 INFO L158 Benchmark]: CodeCheck took 565.16ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 74.9MB in the end (delta: -17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:49,884 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 104.9MB. Free memory was 74.9MB in the beginning and 74.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:49,888 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: 1582]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_54e_badSink(data) [L1582] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 79.7MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1682.48ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 51.8MB in the beginning and 53.0MB in the end (delta: -1.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.88ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 49.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.09ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 47.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.68ms. Allocated memory is still 104.9MB. Free memory was 47.8MB in the beginning and 57.5MB in the end (delta: -9.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * CodeCheck took 565.16ms. Allocated memory is still 104.9MB. Free memory was 56.9MB in the beginning and 74.9MB in the end (delta: -17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 104.9MB. Free memory was 74.9MB in the beginning and 74.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:49,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa684d58-317c-4ae6-985f-7e74cc08c252/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