./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:38:19,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:38:19,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:38:19,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:38:19,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:38:19,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:38:19,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:38:19,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:38:19,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:38:19,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:38:19,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:38:19,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:38:19,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:38:19,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:38:19,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:38:19,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:38:19,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:38:19,113 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:38:19,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:38:19,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:38:19,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:38:19,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:38:19,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:38:19,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:38:19,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:38:19,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:38:19,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:38:19,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:38:19,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:38:19,120 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:38:19,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:38:19,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:38:19,121 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_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 [2023-12-03 03:38:19,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:38:19,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:38:19,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:38:19,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:38:19,362 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:38:19,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2023-12-03 03:38:22,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:38:22,397 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:38:22,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2023-12-03 03:38:22,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/data/6c55cfad8/3c867f11db6344adab36c96a33102330/FLAG346f3e545 [2023-12-03 03:38:22,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/data/6c55cfad8/3c867f11db6344adab36c96a33102330 [2023-12-03 03:38:22,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:38:22,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:38:22,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:38:22,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:38:22,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:38:22,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:38:22" (1/1) ... [2023-12-03 03:38:22,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6ded0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:22, skipping insertion in model container [2023-12-03 03:38:22,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:38:22" (1/1) ... [2023-12-03 03:38:22,504 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:38:23,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:38:23,166 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:38:23,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:38:23,351 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:38:23,351 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:38:23,351 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:38:23,351 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:38:23,357 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:38:23,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23 WrapperNode [2023-12-03 03:38:23,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:38:23,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:38:23,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:38:23,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:38:23,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,452 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2023-12-03 03:38:23,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:38:23,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:38:23,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:38:23,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:38:23,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:38:23,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:38:23,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:38:23,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:38:23,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:23" (1/1) ... [2023-12-03 03:38:23,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:38:23,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:38:23,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:38:23,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:38:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:38:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:38:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:38:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:38:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:38:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:38:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:38:23,713 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:38:23,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:38:23,923 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:38:24,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:38:24,113 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:38:24,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:38:24 BoogieIcfgContainer [2023-12-03 03:38:24,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:38:24,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:38:24,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:38:24,125 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:38:24,125 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:38:24" (1/1) ... [2023-12-03 03:38:24,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:38:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:24,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:38:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:38:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:38:24,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:24,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:38:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:38:24,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:38:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:38:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:38:24,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:38:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:38:24,684 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:38:24,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-03 03:38:24,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:38:24 ImpRootNode [2023-12-03 03:38:24,712 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:38:24,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:38:24,713 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:38:24,713 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:38:24,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:38:24" (3/4) ... [2023-12-03 03:38:24,715 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:38:24,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:38:24,717 INFO L158 Benchmark]: Toolchain (without parser) took 2281.95ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 122.8MB in the beginning and 97.4MB in the end (delta: 25.4MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2023-12-03 03:38:24,718 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:38:24,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 921.44ms. Allocated memory is still 165.7MB. Free memory was 122.8MB in the beginning and 59.3MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 03:38:24,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.78ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 58.7MB in the beginning and 177.1MB in the end (delta: -118.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-12-03 03:38:24,720 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 209.7MB. Free memory was 177.1MB in the beginning and 176.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:38:24,721 INFO L158 Benchmark]: RCFGBuilder took 635.11ms. Allocated memory is still 209.7MB. Free memory was 176.0MB in the beginning and 138.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 03:38:24,721 INFO L158 Benchmark]: CodeCheck took 595.50ms. Allocated memory is still 209.7MB. Free memory was 138.3MB in the beginning and 98.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-03 03:38:24,722 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 209.7MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:38:24,725 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1572]: 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 1561, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, 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] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, 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 0.15ms. Allocated memory is still 165.7MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 921.44ms. Allocated memory is still 165.7MB. Free memory was 122.8MB in the beginning and 59.3MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.78ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 58.7MB in the beginning and 177.1MB in the end (delta: -118.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 209.7MB. Free memory was 177.1MB in the beginning and 176.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 635.11ms. Allocated memory is still 209.7MB. Free memory was 176.0MB in the beginning and 138.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 595.50ms. Allocated memory is still 209.7MB. Free memory was 138.3MB in the beginning and 98.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 209.7MB. Free memory is still 97.4MB. 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 03:38:24,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:38:26,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:38:26,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:38:26,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:38:26,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:38:26,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:38:26,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:38:26,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:38:26,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:38:26,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:38:26,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:38:26,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:38:26,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:38:26,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:38:26,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:38:26,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:38:26,921 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:38:26,921 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:38:26,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:38:26,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:38:26,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:38:26,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:38:26,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:38:26,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:38:26,925 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:38:26,926 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:38:26,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:38:26,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:38:26,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:38:26,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:38:26,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:38:26,928 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:38:26,929 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:38:26,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:38:26,929 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:38:26,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:38:26,930 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_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af24d4dceb13a252d9f9977aa1f9b3ffcff36a94533b8a56bc10288024744f9 [2023-12-03 03:38:27,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:38:27,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:38:27,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:38:27,234 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:38:27,235 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:38:27,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2023-12-03 03:38:30,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:38:30,365 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:38:30,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_22_bad.i [2023-12-03 03:38:30,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/data/06eab1326/6e0285b99bde405a90155196a4ee8401/FLAG6d5238600 [2023-12-03 03:38:30,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/data/06eab1326/6e0285b99bde405a90155196a4ee8401 [2023-12-03 03:38:30,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:38:30,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:38:30,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:38:30,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:38:30,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:38:30,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:38:30" (1/1) ... [2023-12-03 03:38:30,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0dedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:30, skipping insertion in model container [2023-12-03 03:38:30,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:38:30" (1/1) ... [2023-12-03 03:38:30,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:38:31,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:38:31,346 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:38:31,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:38:31,544 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:38:31,545 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:38:31,545 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:38:31,545 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:38:31,553 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:38:31,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31 WrapperNode [2023-12-03 03:38:31,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:38:31,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:38:31,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:38:31,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:38:31,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,618 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-12-03 03:38:31,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:38:31,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:38:31,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:38:31,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:38:31,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:38:31,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:38:31,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:38:31,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:38:31,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:38:31" (1/1) ... [2023-12-03 03:38:31,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:38:31,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:38:31,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:38:31,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:38:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:38:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:38:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:38:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:38:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:38:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:38:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:38:31,932 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:38:31,935 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:38:32,079 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:38:32,153 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:38:32,153 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:38:32,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:38:32 BoogieIcfgContainer [2023-12-03 03:38:32,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:38:32,157 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:38:32,157 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:38:32,169 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:38:32,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:38:32" (1/1) ... [2023-12-03 03:38:32,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:38:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:38:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:38:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:38:32,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:32,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:38:32,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:38:32,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:38:32,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:38:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:38:32,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:38:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:38:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:38:32,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:38:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:38:32,690 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:38:32,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:38:32,692 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:38:32,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-03 03:38:32,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:38:32 ImpRootNode [2023-12-03 03:38:32,726 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:38:32,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:38:32,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:38:32,727 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:38:32,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:38:32" (3/4) ... [2023-12-03 03:38:32,730 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:38:32,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:38:32,732 INFO L158 Benchmark]: Toolchain (without parser) took 2318.31ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 39.8MB in the end (delta: 29.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-03 03:38:32,733 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:38:32,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1138.87ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 51.4MB in the end (delta: 17.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-12-03 03:38:32,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.59ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 48.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:38:32,736 INFO L158 Benchmark]: Boogie Preprocessor took 40.57ms. Allocated memory is still 94.4MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:38:32,736 INFO L158 Benchmark]: RCFGBuilder took 495.46ms. Allocated memory is still 94.4MB. Free memory was 46.1MB in the beginning and 56.0MB in the end (delta: -9.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-12-03 03:38:32,737 INFO L158 Benchmark]: CodeCheck took 569.04ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 40.0MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:38:32,738 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 94.4MB. Free memory was 40.0MB in the beginning and 39.8MB in the end (delta: 243.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:38:32,742 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1572]: 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 1561. 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); [L1548] int CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=0, 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, 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] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_22_badGlobal=1, 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 0.18ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1138.87ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 51.4MB in the end (delta: 17.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.59ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 48.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.57ms. Allocated memory is still 94.4MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.46ms. Allocated memory is still 94.4MB. Free memory was 46.1MB in the beginning and 56.0MB in the end (delta: -9.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * CodeCheck took 569.04ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 40.0MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 94.4MB. Free memory was 40.0MB in the beginning and 39.8MB in the end (delta: 243.0kB). 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 03:38:32,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eda406f-e8c4-4b3d-9f23-d15a81b6a05c/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample