./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9 --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 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:35:38,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:35:38,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:35:38,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:35:38,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:35:38,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:35:38,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:35:38,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:35:38,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:35:38,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:35:38,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:35:38,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:35:38,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:35:38,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:35:38,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:35:38,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:35:38,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:35:38,544 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:35:38,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:35:38,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:35:38,545 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:35:38,548 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:35:38,548 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:35:38,549 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:35:38,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:35:38,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:38,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:35:38,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:35:38,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:35:38,552 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:35:38,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:35:38,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:35:38,553 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_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d [2023-12-03 03:35:38,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:35:38,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:35:38,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:35:38,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:35:38,821 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:35:38,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2023-12-03 03:35:41,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:35:42,107 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:35:42,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2023-12-03 03:35:42,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/data/5a01b81c3/c24d6351be034b048ca89e6668905853/FLAGad8e65d33 [2023-12-03 03:35:42,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/data/5a01b81c3/c24d6351be034b048ca89e6668905853 [2023-12-03 03:35:42,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:35:42,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:35:42,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:42,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:35:42,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:35:42,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:42" (1/1) ... [2023-12-03 03:35:42,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be9cdd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:42, skipping insertion in model container [2023-12-03 03:35:42,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:42" (1/1) ... [2023-12-03 03:35:42,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:35:43,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:43,112 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:35:43,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:43,398 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:35:43,398 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:35:43,399 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:35:43,399 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:35:43,408 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:35:43,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43 WrapperNode [2023-12-03 03:35:43,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:43,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:43,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:35:43,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:35:43,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,484 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2023-12-03 03:35:43,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:43,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:35:43,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:35:43,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:35:43,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:35:43,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:35:43,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:35:43,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:35:43,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:43" (1/1) ... [2023-12-03 03:35:43,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:43,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:35:43,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:35:43,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:35:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:35:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:35:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:35:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:35:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:35:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:35:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:35:43,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:35:43,752 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:35:43,954 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:35:44,148 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:35:44,149 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:35:44,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:44 BoogieIcfgContainer [2023-12-03 03:35:44,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:35:44,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:35:44,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:35:44,162 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:35:44,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:44" (1/1) ... [2023-12-03 03:35:44,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:35:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:35:44,229 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:35:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:35:44,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:44,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:44,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:35:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:44,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:35:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:44,857 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:35:44,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-03 03:35:44,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:35:44 ImpRootNode [2023-12-03 03:35:44,885 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:35:44,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:35:44,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:35:44,887 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:35:44,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:44" (3/4) ... [2023-12-03 03:35:44,889 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:35:44,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:35:44,892 INFO L158 Benchmark]: Toolchain (without parser) took 2732.54ms. Allocated memory was 159.4MB in the beginning and 260.0MB in the end (delta: 100.7MB). Free memory was 109.7MB in the beginning and 207.4MB in the end (delta: -97.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-12-03 03:35:44,892 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory was 101.2MB in the beginning and 101.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:44,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1248.94ms. Allocated memory was 159.4MB in the beginning and 260.0MB in the end (delta: 100.7MB). Free memory was 109.7MB in the beginning and 192.4MB in the end (delta: -82.7MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-12-03 03:35:44,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.45ms. Allocated memory is still 260.0MB. Free memory was 192.4MB in the beginning and 189.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:35:44,895 INFO L158 Benchmark]: Boogie Preprocessor took 31.98ms. Allocated memory is still 260.0MB. Free memory was 189.3MB in the beginning and 188.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:35:44,895 INFO L158 Benchmark]: RCFGBuilder took 632.80ms. Allocated memory is still 260.0MB. Free memory was 188.2MB in the beginning and 150.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 03:35:44,896 INFO L158 Benchmark]: CodeCheck took 733.95ms. Allocated memory is still 260.0MB. Free memory was 150.5MB in the beginning and 208.2MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:44,897 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 260.0MB. Free memory was 208.2MB in the beginning and 207.4MB in the end (delta: 833.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:44,901 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1567]: 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_51_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_predec_51b_badSink(data) [L1567] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.22ms. Allocated memory is still 159.4MB. Free memory was 101.2MB in the beginning and 101.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1248.94ms. Allocated memory was 159.4MB in the beginning and 260.0MB in the end (delta: 100.7MB). Free memory was 109.7MB in the beginning and 192.4MB in the end (delta: -82.7MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.45ms. Allocated memory is still 260.0MB. Free memory was 192.4MB in the beginning and 189.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.98ms. Allocated memory is still 260.0MB. Free memory was 189.3MB in the beginning and 188.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.80ms. Allocated memory is still 260.0MB. Free memory was 188.2MB in the beginning and 150.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 733.95ms. Allocated memory is still 260.0MB. Free memory was 150.5MB in the beginning and 208.2MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 260.0MB. Free memory was 208.2MB in the beginning and 207.4MB in the end (delta: 833.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet111 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:35:44,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9 --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 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:35:46,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:35:47,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:35:47,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:35:47,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:35:47,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:35:47,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:35:47,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:35:47,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:35:47,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:35:47,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:35:47,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:35:47,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:35:47,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:35:47,065 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:35:47,066 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:35:47,067 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:35:47,067 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:35:47,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:35:47,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:35:47,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:35:47,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:35:47,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:35:47,070 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:35:47,071 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:47,071 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:35:47,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:35:47,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:47,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:35:47,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:35:47,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:35:47,074 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:35:47,074 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:47,075 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:35:47,075 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:35:47,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:35:47,076 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d [2023-12-03 03:35:47,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:35:47,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:35:47,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:35:47,393 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:35:47,394 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:35:47,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2023-12-03 03:35:50,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:35:50,623 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:35:50,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2023-12-03 03:35:50,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/data/094cf1b89/fc93b39aba104a6b9b918fdfef28ccc6/FLAG4aceee56f [2023-12-03 03:35:50,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/data/094cf1b89/fc93b39aba104a6b9b918fdfef28ccc6 [2023-12-03 03:35:50,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:35:50,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:35:50,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:50,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:35:50,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:35:50,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:50" (1/1) ... [2023-12-03 03:35:50,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed6c571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:50, skipping insertion in model container [2023-12-03 03:35:50,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:50" (1/1) ... [2023-12-03 03:35:50,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:35:51,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:51,740 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:35:51,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:51,991 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:35:51,992 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:35:51,992 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:35:51,992 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:35:52,001 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:35:52,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52 WrapperNode [2023-12-03 03:35:52,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:52,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:52,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:35:52,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:35:52,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,075 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-12-03 03:35:52,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:52,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:35:52,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:35:52,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:35:52,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:35:52,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:35:52,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:35:52,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:35:52,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:52,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:35:52,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:35:52,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:35:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:35:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:35:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:35:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:35:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:35:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:35:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:35:52,365 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:35:52,368 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:35:52,513 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:35:52,588 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:35:52,588 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:35:52,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:52 BoogieIcfgContainer [2023-12-03 03:35:52,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:35:52,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:35:52,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:35:52,602 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:35:52,613 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:52" (1/1) ... [2023-12-03 03:35:52,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:35:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:35:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:35:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:35:52,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:52,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:52,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:52,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:52,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:35:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:52,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:35:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:53,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:35:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:53,102 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:35:53,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:35:53,103 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:35:53,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-03 03:35:53,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:35:53 ImpRootNode [2023-12-03 03:35:53,130 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:35:53,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:35:53,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:35:53,131 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:35:53,131 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:52" (3/4) ... [2023-12-03 03:35:53,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:35:53,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:35:53,136 INFO L158 Benchmark]: Toolchain (without parser) took 2457.51ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 58.9MB in the end (delta: 16.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-12-03 03:35:53,136 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:53,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1321.73ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 67.7MB in the end (delta: 7.5MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-12-03 03:35:53,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.18ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 64.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:35:53,138 INFO L158 Benchmark]: Boogie Preprocessor took 38.88ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:35:53,139 INFO L158 Benchmark]: RCFGBuilder took 474.87ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 43.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:35:53,140 INFO L158 Benchmark]: CodeCheck took 537.94ms. Allocated memory is still 102.8MB. Free memory was 43.6MB in the beginning and 59.5MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:53,141 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 102.8MB. Free memory was 59.5MB in the beginning and 58.9MB in the end (delta: 595.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:53,145 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: 1567]: 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_51_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_predec_51b_badSink(data) [L1567] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.22ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1321.73ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 67.7MB in the end (delta: 7.5MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.18ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 64.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.88ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.87ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 43.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 537.94ms. Allocated memory is still 102.8MB. Free memory was 43.6MB in the beginning and 59.5MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 102.8MB. Free memory was 59.5MB in the beginning and 58.9MB in the end (delta: 595.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet105 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:35:53,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ba47af-eb94-4ab7-b230-8de41120b962/bin/ukojak-verify-Qdu7aM0XO9/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