./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_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_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/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_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/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_0288518f-7c81-420f-a1ba-2e35f049db9b/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:18:33,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:18:33,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:18:33,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:18:33,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:18:33,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:18:33,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:18:33,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:18:33,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:18:33,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:18:33,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:18:33,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:18:33,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:18:33,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:18:33,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:18:33,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:18:33,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:18:33,536 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:18:33,537 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:18:33,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:18:33,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:18:33,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:18:33,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:18:33,542 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:18:33,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:18:33,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:18:33,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:18:33,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:18:33,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:18:33,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:18:33,545 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:18:33,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:18:33,549 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_0288518f-7c81-420f-a1ba-2e35f049db9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-11-09 00:18:33,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:18:33,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:18:33,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:18:33,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:18:33,888 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:18:33,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i Unable to find full path for "g++" [2024-11-09 00:18:35,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:18:36,274 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:18:36,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-09 00:18:36,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/data/660dc92b6/3db836507b454518a0b10e38a8b1cd06/FLAGf4a51405a [2024-11-09 00:18:36,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/data/660dc92b6/3db836507b454518a0b10e38a8b1cd06 [2024-11-09 00:18:36,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:18:36,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:18:36,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:18:36,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:18:36,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:18:36,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:18:36" (1/1) ... [2024-11-09 00:18:36,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375b30c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:36, skipping insertion in model container [2024-11-09 00:18:36,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:18:36" (1/1) ... [2024-11-09 00:18:36,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:18:37,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:18:37,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:18:37,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:18:37,795 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:18:37,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37 WrapperNode [2024-11-09 00:18:37,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:18:37,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:18:37,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:18:37,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:18:37,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,877 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-09 00:18:37,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:18:37,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:18:37,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:18:37,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:18:37,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:18:37,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:18:37,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:18:37,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:18:37,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:37" (1/1) ... [2024-11-09 00:18:37,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:18:37,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:18:37,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:18:37,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:18:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:18:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:18:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:18:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:18:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:18:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:18:38,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:18:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:18:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:18:38,178 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:18:38,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:18:38,399 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-09 00:18:38,399 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:18:38,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:18:38,665 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:18:38,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:18:38 BoogieIcfgContainer [2024-11-09 00:18:38,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:18:38,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:18:38,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:18:38,678 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:18:38,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:18:38" (1/1) ... [2024-11-09 00:18:38,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:18:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:18:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:18:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:18:38,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:38,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:18:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:18:39,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:18:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:18:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:18:39,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:18:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:18:39,320 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:18:39,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:18:39 ImpRootNode [2024-11-09 00:18:39,356 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:18:39,356 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:18:39,358 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:18:39,359 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:18:39,359 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:18:38" (3/4) ... [2024-11-09 00:18:39,364 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:18:39,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:18:39,367 INFO L158 Benchmark]: Toolchain (without parser) took 3033.68ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 89.0MB in the beginning and 97.2MB in the end (delta: -8.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-09 00:18:39,368 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory was 103.4MB in the beginning and 103.4MB in the end (delta: 25.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:18:39,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1461.61ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 88.6MB in the beginning and 115.1MB in the end (delta: -26.5MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-11-09 00:18:39,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.01ms. Allocated memory is still 176.2MB. Free memory was 115.1MB in the beginning and 112.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:18:39,370 INFO L158 Benchmark]: Boogie Preprocessor took 41.69ms. Allocated memory is still 176.2MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:18:39,371 INFO L158 Benchmark]: RCFGBuilder took 741.91ms. Allocated memory is still 176.2MB. Free memory was 110.0MB in the beginning and 133.9MB in the end (delta: -23.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:18:39,372 INFO L158 Benchmark]: CodeCheck took 689.51ms. Allocated memory is still 176.2MB. Free memory was 133.9MB in the beginning and 97.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:18:39,373 INFO L158 Benchmark]: Witness Printer took 9.53ms. Allocated memory is still 176.2MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:18:39,378 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: 0.6s, 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, 0.1s 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: 1563]: 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 1572, overapproximation of bitwiseOr at line 1558. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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 134.2MB. Free memory was 103.4MB in the beginning and 103.4MB in the end (delta: 25.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1461.61ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 88.6MB in the beginning and 115.1MB in the end (delta: -26.5MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.01ms. Allocated memory is still 176.2MB. Free memory was 115.1MB in the beginning and 112.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.69ms. Allocated memory is still 176.2MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.91ms. Allocated memory is still 176.2MB. Free memory was 110.0MB in the beginning and 133.9MB in the end (delta: -23.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 689.51ms. Allocated memory is still 176.2MB. Free memory was 133.9MB in the beginning and 97.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 9.53ms. Allocated memory is still 176.2MB. Free memory is still 97.2MB. 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 00:18:39,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/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_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/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_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/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_0288518f-7c81-420f-a1ba-2e35f049db9b/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 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:18:41,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:18:41,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:18:41,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:18:41,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:18:41,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:18:41,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:18:41,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:18:41,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:18:41,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:18:41,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:18:41,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:18:41,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:18:41,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:18:41,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:18:41,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:18:41,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:18:41,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:18:41,965 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:18:41,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:18:41,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:18:41,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:18:41,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:18:41,967 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:18:41,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:18:41,968 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:41,968 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:18:41,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:18:41,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:18:41,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:18:41,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:18:41,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:18:41,970 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:18:41,970 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:41,971 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:18:41,971 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_0288518f-7c81-420f-a1ba-2e35f049db9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405e9ca13eab5f308af109efafd9e89dbc845a44a3f54170eeee1016d6a2f055 [2024-11-09 00:18:42,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:18:42,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:18:42,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:18:42,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:18:42,417 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:18:42,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i Unable to find full path for "g++" [2024-11-09 00:18:44,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:18:45,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:18:45,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_34_bad.i [2024-11-09 00:18:45,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/data/b9814c1f1/64a10918682546ca9506edd05a7a1603/FLAG06cfd738e [2024-11-09 00:18:45,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/data/b9814c1f1/64a10918682546ca9506edd05a7a1603 [2024-11-09 00:18:45,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:18:45,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:18:45,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:18:45,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:18:45,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:18:45,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:18:45" (1/1) ... [2024-11-09 00:18:45,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f37f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:45, skipping insertion in model container [2024-11-09 00:18:45,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:18:45" (1/1) ... [2024-11-09 00:18:45,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:18:46,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:18:46,323 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:18:46,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:18:46,554 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:18:46,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46 WrapperNode [2024-11-09 00:18:46,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:18:46,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:18:46,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:18:46,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:18:46,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,616 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-09 00:18:46,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:18:46,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:18:46,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:18:46,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:18:46,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:18:46,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:18:46,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:18:46,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:18:46,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:18:46" (1/1) ... [2024-11-09 00:18:46,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:18:46,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:18:46,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:18:46,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:18:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:18:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:18:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:18:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:18:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:18:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:18:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:18:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:18:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:18:46,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:18:46,978 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:18:47,166 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-09 00:18:47,166 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:18:47,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:18:47,241 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:18:47,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:18:47 BoogieIcfgContainer [2024-11-09 00:18:47,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:18:47,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:18:47,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:18:47,253 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:18:47,253 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:18:47" (1/1) ... [2024-11-09 00:18:47,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:18:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:18:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:18:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:18:47,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:47,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:47,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:47,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:47,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:18:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:18:47,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:18:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:18:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:18:47,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:18:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:18:47,812 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:18:47,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:18:47,819 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:18:47,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:18:47 ImpRootNode [2024-11-09 00:18:47,859 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:18:47,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:18:47,864 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:18:47,864 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:18:47,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:18:47" (3/4) ... [2024-11-09 00:18:47,867 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:18:47,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:18:47,870 INFO L158 Benchmark]: Toolchain (without parser) took 2681.20ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 48.0MB in the beginning and 50.3MB in the end (delta: -2.3MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-11-09 00:18:47,870 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:18:47,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1365.80ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 47.9MB in the beginning and 61.4MB in the end (delta: -13.5MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-11-09 00:18:47,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.53ms. Allocated memory is still 109.1MB. Free memory was 61.4MB in the beginning and 58.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:18:47,872 INFO L158 Benchmark]: Boogie Preprocessor took 57.09ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:18:47,873 INFO L158 Benchmark]: RCFGBuilder took 566.41ms. Allocated memory is still 109.1MB. Free memory was 56.2MB in the beginning and 67.1MB in the end (delta: -10.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-09 00:18:47,873 INFO L158 Benchmark]: CodeCheck took 617.55ms. Allocated memory is still 109.1MB. Free memory was 67.1MB in the beginning and 50.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:18:47,874 INFO L158 Benchmark]: Witness Printer took 8.09ms. Allocated memory is still 109.1MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:18:47,879 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: 1563]: 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 1572. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] 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 0.31ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 51.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1365.80ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 47.9MB in the beginning and 61.4MB in the end (delta: -13.5MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.53ms. Allocated memory is still 109.1MB. Free memory was 61.4MB in the beginning and 58.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.09ms. Allocated memory is still 109.1MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.41ms. Allocated memory is still 109.1MB. Free memory was 56.2MB in the beginning and 67.1MB in the end (delta: -10.9MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * CodeCheck took 617.55ms. Allocated memory is still 109.1MB. Free memory was 67.1MB in the beginning and 50.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.09ms. Allocated memory is still 109.1MB. Free memory is still 50.3MB. 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 00:18:47,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0288518f-7c81-420f-a1ba-2e35f049db9b/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