./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL --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 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:27,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:27,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:45:27,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:27,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:27,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:27,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:27,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:27,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:27,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:27,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:27,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:27,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:27,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:27,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:27,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:27,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:27,526 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:45:27,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:45:27,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:27,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:27,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:27,529 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:27,529 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:27,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:27,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:27,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:27,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:27,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:27,533 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:27,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:27,534 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:27,534 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_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 [2023-11-19 02:45:27,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:27,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:27,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:27,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:27,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:27,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2023-11-19 02:45:30,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:31,329 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:31,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2023-11-19 02:45:31,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/data/f1bb26db1/a503115090bc46028c027b52983dfd45/FLAG098cef2f6 [2023-11-19 02:45:31,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/data/f1bb26db1/a503115090bc46028c027b52983dfd45 [2023-11-19 02:45:31,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:31,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:31,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:31,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:31,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:31,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:31" (1/1) ... [2023-11-19 02:45:31,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38867a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:31, skipping insertion in model container [2023-11-19 02:45:31,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:31" (1/1) ... [2023-11-19 02:45:31,495 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:31,910 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:32,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:32,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:32,522 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:32,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:32,706 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:32,706 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:32,706 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:32,706 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:32,706 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:32,714 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:32,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32 WrapperNode [2023-11-19 02:45:32,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:32,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:32,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:32,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:32,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,799 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-19 02:45:32,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:32,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:32,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:32,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:32,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:32,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:32,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:32,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:32,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:32,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:32,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:45:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:45:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:45:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:33,087 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:33,089 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:33,351 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:33,567 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:33,567 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:45:33,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:33 BoogieIcfgContainer [2023-11-19 02:45:33,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:33,573 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:33,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:33,583 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:33,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:33" (1/1) ... [2023-11-19 02:45:33,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:33,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:45:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:45:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:45:33,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:33,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:34,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:34,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:34,334 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:45:34,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:45:34 ImpRootNode [2023-11-19 02:45:34,368 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:45:34,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:45:34,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:45:34,371 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:45:34,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:33" (3/4) ... [2023-11-19 02:45:34,375 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:45:34,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:45:34,378 INFO L158 Benchmark]: Toolchain (without parser) took 2983.46ms. Allocated memory is still 153.1MB. Free memory was 117.4MB in the beginning and 52.9MB in the end (delta: 64.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2023-11-19 02:45:34,379 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:34,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.91ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 57.9MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-19 02:45:34,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.68ms. Allocated memory is still 153.1MB. Free memory was 57.9MB in the beginning and 54.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:45:34,382 INFO L158 Benchmark]: Boogie Preprocessor took 30.60ms. Allocated memory is still 153.1MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:34,382 INFO L158 Benchmark]: RCFGBuilder took 740.94ms. Allocated memory is still 153.1MB. Free memory was 52.5MB in the beginning and 86.5MB in the end (delta: -34.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:45:34,383 INFO L158 Benchmark]: CodeCheck took 794.74ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 52.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 02:45:34,385 INFO L158 Benchmark]: Witness Printer took 7.10ms. Allocated memory is still 153.1MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:34,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1552. 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); [L1565] 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) [L1565] 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}, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, dataCopy=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, dataCopy=-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 0.25ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.91ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 57.9MB in the end (delta: 58.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.68ms. Allocated memory is still 153.1MB. Free memory was 57.9MB in the beginning and 54.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.60ms. Allocated memory is still 153.1MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 740.94ms. Allocated memory is still 153.1MB. Free memory was 52.5MB in the beginning and 86.5MB in the end (delta: -34.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 794.74ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 52.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 7.10ms. Allocated memory is still 153.1MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:45:34,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/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_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL --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 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:37,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:37,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:45:37,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:37,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:37,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:37,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:37,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:37,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:37,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:37,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:37,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:37,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:37,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:37,158 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:45:37,159 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:45:37,160 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:45:37,160 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:45:37,161 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:45:37,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:37,162 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:37,163 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:37,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:37,164 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:37,164 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:37,165 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:45:37,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:37,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:37,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:37,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:37,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:37,168 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:45:37,168 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:37,169 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:37,169 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:45:37,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:45:37,170 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_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 [2023-11-19 02:45:37,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:37,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:37,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:37,607 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:37,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:37,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2023-11-19 02:45:40,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:41,138 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:41,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2023-11-19 02:45:41,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/data/f9fa9f84f/49285e92ab5a41539ca220c848be8c42/FLAG709b1387f [2023-11-19 02:45:41,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/data/f9fa9f84f/49285e92ab5a41539ca220c848be8c42 [2023-11-19 02:45:41,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:41,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:41,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:41,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:41,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:41,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:41" (1/1) ... [2023-11-19 02:45:41,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6058b030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:41, skipping insertion in model container [2023-11-19 02:45:41,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:41" (1/1) ... [2023-11-19 02:45:41,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:41,729 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:42,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:42,215 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:42,241 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:42,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:42,585 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:42,586 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:42,586 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:42,586 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:42,586 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:42,596 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:42,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42 WrapperNode [2023-11-19 02:45:42,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:42,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:42,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:42,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:42,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,676 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-19 02:45:42,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:42,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:42,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:42,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:42,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:42,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:42,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:42,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:42,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:42,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:42,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:42,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:42,827 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:45:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:45:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:45:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:42,828 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:45:43,047 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:43,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:43,234 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:43,330 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:43,331 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:45:43,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:43 BoogieIcfgContainer [2023-11-19 02:45:43,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:43,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:43,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:43,350 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:43,350 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:43" (1/1) ... [2023-11-19 02:45:43,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:43,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:45:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:45:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:45:43,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:43,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:43,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:45:43,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:45:43,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:45:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:43,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:43,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:43,888 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:45:43,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:45:43,898 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:45:43,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:45:43 ImpRootNode [2023-11-19 02:45:43,930 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:45:43,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:45:43,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:45:43,932 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:45:43,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:43" (3/4) ... [2023-11-19 02:45:43,933 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:45:43,993 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:45:43,993 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:45:43,994 INFO L158 Benchmark]: Toolchain (without parser) took 2793.16ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 45.4MB in the beginning and 48.0MB in the end (delta: -2.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-19 02:45:43,994 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:43,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1393.73ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 45.3MB in the beginning and 63.2MB in the end (delta: -17.9MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-19 02:45:43,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.19ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 60.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:45:43,996 INFO L158 Benchmark]: Boogie Preprocessor took 36.97ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:43,997 INFO L158 Benchmark]: RCFGBuilder took 623.60ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 40.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:45:43,997 INFO L158 Benchmark]: CodeCheck took 590.72ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 50.1MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:43,997 INFO L158 Benchmark]: Witness Printer took 61.94ms. Allocated memory is still 92.3MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:44,005 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 - CounterExampleResult [Line: 1557]: integer overflow possible integer overflow possible We found a 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); [L1565] 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) [L1565] 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}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, dataCopy=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data=-2147483648, dataCopy=-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 0.58ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1393.73ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 45.3MB in the beginning and 63.2MB in the end (delta: -17.9MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.19ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 60.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.97ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 623.60ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 40.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 590.72ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 50.1MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.94ms. Allocated memory is still 92.3MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 02:45:44,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bc3e15-3b25-43f4-aaf6-0604a176cf57/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)