./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_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_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/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_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/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_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/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 b12b1c6aa7f5e3bf9eb7ac23f64ecb685cbd4ea7169e388cf5dd5b29f8103fb5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:00:10,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:00:10,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:00:10,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:00:10,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:00:10,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:00:10,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:00:10,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:00:10,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:00:10,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:00:10,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:00:10,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:00:10,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:00:10,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:00:10,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:00:10,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:00:10,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:00:10,361 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:00:10,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:00:10,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:00:10,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:00:10,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:00:10,364 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:00:10,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:00:10,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:00:10,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:10,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:00:10,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:00:10,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:00:10,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:00:10,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:00:10,368 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:00:10,368 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_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b12b1c6aa7f5e3bf9eb7ac23f64ecb685cbd4ea7169e388cf5dd5b29f8103fb5 [2023-12-03 00:00:10,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:00:10,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:00:10,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:00:10,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:00:10,586 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:00:10,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i [2023-12-03 00:00:13,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:00:13,639 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:00:13,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i [2023-12-03 00:00:13,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/data/6c868cbde/128419ebcaa34debb02b3f3a880184f3/FLAG28de57177 [2023-12-03 00:00:13,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/data/6c868cbde/128419ebcaa34debb02b3f3a880184f3 [2023-12-03 00:00:13,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:00:13,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:00:13,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:13,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:00:13,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:00:13,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:13" (1/1) ... [2023-12-03 00:00:13,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10890d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:13, skipping insertion in model container [2023-12-03 00:00:13,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:13" (1/1) ... [2023-12-03 00:00:13,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:00:14,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:14,552 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:00:14,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:14,779 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:14,779 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:14,779 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:14,779 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:14,779 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:14,785 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:00:14,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14 WrapperNode [2023-12-03 00:00:14,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:14,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:14,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:00:14,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:00:14,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,844 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2023-12-03 00:00:14,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:14,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:00:14,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:00:14,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:00:14,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:00:14,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:00:14,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:00:14,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:00:14,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:14" (1/1) ... [2023-12-03 00:00:14,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:14,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:00:14,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:00:14,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:00:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:00:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:00:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:00:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:00:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:00:15,077 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:00:15,080 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:00:15,170 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:00:15,212 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:00:15,212 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:00:15,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:15 BoogieIcfgContainer [2023-12-03 00:00:15,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:00:15,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:00:15,215 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:00:15,225 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:00:15,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:15" (1/1) ... [2023-12-03 00:00:15,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:00:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:00:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:00:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:00:15,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:15,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:00:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:15,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:15,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:15,524 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:00:15,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 00:00:15,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-12-03 00:00:15,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:00:15 ImpRootNode [2023-12-03 00:00:15,550 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:00:15,550 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:00:15,551 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:00:15,551 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:00:15,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:15" (3/4) ... [2023-12-03 00:00:15,553 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:00:15,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:00:15,556 INFO L158 Benchmark]: Toolchain (without parser) took 1866.93ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 90.9MB in the beginning and 80.9MB in the end (delta: 10.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-12-03 00:00:15,556 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:15,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1096.21ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 90.9MB in the beginning and 115.5MB in the end (delta: -24.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-12-03 00:00:15,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.36ms. Allocated memory is still 182.5MB. Free memory was 115.5MB in the beginning and 112.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:15,558 INFO L158 Benchmark]: Boogie Preprocessor took 23.04ms. Allocated memory is still 182.5MB. Free memory was 112.4MB in the beginning and 111.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:15,559 INFO L158 Benchmark]: RCFGBuilder took 345.84ms. Allocated memory is still 182.5MB. Free memory was 111.3MB in the beginning and 96.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:00:15,560 INFO L158 Benchmark]: CodeCheck took 335.10ms. Allocated memory is still 182.5MB. Free memory was 96.6MB in the beginning and 80.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:00:15,560 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 182.5MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:15,564 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: 0.3s, 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: 1551]: 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 1567. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] data = (-0x7fffffff - 1) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1096.21ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 90.9MB in the beginning and 115.5MB in the end (delta: -24.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.36ms. Allocated memory is still 182.5MB. Free memory was 115.5MB in the beginning and 112.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.04ms. Allocated memory is still 182.5MB. Free memory was 112.4MB in the beginning and 111.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 345.84ms. Allocated memory is still 182.5MB. Free memory was 111.3MB in the beginning and 96.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 335.10ms. Allocated memory is still 182.5MB. Free memory was 96.6MB in the beginning and 80.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 182.5MB. Free memory was 80.9MB in the beginning and 80.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated - 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 00:00:15,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/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_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/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_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/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_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/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 b12b1c6aa7f5e3bf9eb7ac23f64ecb685cbd4ea7169e388cf5dd5b29f8103fb5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:00:17,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:00:17,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:00:17,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:00:17,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:00:17,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:00:17,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:00:17,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:00:17,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:00:17,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:00:17,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:00:17,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:00:17,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:00:17,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:00:17,848 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:00:17,848 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:00:17,849 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:00:17,850 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:00:17,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:00:17,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:00:17,851 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:00:17,852 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:00:17,852 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:00:17,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:00:17,853 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:17,854 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:00:17,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:00:17,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:17,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:00:17,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:00:17,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:00:17,857 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:00:17,857 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:17,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:00:17,858 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:00:17,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:00:17,858 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_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b12b1c6aa7f5e3bf9eb7ac23f64ecb685cbd4ea7169e388cf5dd5b29f8103fb5 [2023-12-03 00:00:18,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:00:18,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:00:18,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:00:18,150 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:00:18,150 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:00:18,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i [2023-12-03 00:00:20,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:00:21,245 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:00:21,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i [2023-12-03 00:00:21,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/data/3cffeed8c/552f0b4859fe42ad86b0c234a66db9f0/FLAGff8e89ede [2023-12-03 00:00:21,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/data/3cffeed8c/552f0b4859fe42ad86b0c234a66db9f0 [2023-12-03 00:00:21,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:00:21,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:00:21,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:21,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:00:21,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:00:21,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:21" (1/1) ... [2023-12-03 00:00:21,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157c0f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:21, skipping insertion in model container [2023-12-03 00:00:21,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:00:21" (1/1) ... [2023-12-03 00:00:21,340 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:00:22,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:22,159 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:00:22,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:00:22,379 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:22,380 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:22,380 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:22,380 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:22,380 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:00:22,388 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:00:22,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22 WrapperNode [2023-12-03 00:00:22,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:00:22,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:22,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:00:22,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:00:22,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,450 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2023-12-03 00:00:22,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:00:22,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:00:22,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:00:22,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:00:22,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:00:22,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:00:22,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:00:22,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:00:22,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:22,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:00:22,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:00:22,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:00:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:00:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:00:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:00:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:00:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:00:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:00:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:00:22,693 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:00:22,695 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:00:22,804 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:00:22,852 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:00:22,852 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:00:22,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:22 BoogieIcfgContainer [2023-12-03 00:00:22,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:00:22,855 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:00:22,855 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:00:22,865 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:00:22,865 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:22" (1/1) ... [2023-12-03 00:00:22,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:00:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:00:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:00:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:00:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:00:22,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:00:22,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:00:22,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:00:22,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:00:22,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:00:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:23,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:23,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:00:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:00:23,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:00:23,297 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:00:23,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 00:00:23,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-12-03 00:00:23,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:00:23 ImpRootNode [2023-12-03 00:00:23,324 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:00:23,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:00:23,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:00:23,325 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:00:23,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:00:22" (3/4) ... [2023-12-03 00:00:23,329 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:00:23,330 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:00:23,331 INFO L158 Benchmark]: Toolchain (without parser) took 2047.13ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 60.5MB in the beginning and 101.1MB in the end (delta: -40.6MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-12-03 00:00:23,332 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 88.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:00:23,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1104.34ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 60.5MB in the beginning and 96.3MB in the end (delta: -35.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-12-03 00:00:23,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.76ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:23,334 INFO L158 Benchmark]: Boogie Preprocessor took 32.53ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:23,335 INFO L158 Benchmark]: RCFGBuilder took 369.52ms. Allocated memory is still 132.1MB. Free memory was 91.5MB in the beginning and 75.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:00:23,336 INFO L158 Benchmark]: CodeCheck took 469.74ms. Allocated memory is still 132.1MB. Free memory was 75.4MB in the beginning and 101.8MB in the end (delta: -26.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:00:23,336 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 132.1MB. Free memory was 101.8MB in the beginning and 101.1MB in the end (delta: 771.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:00:23,340 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: 0.4s, 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: 1551]: 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 1567. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] data = (-0x7fffffff - 1) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 88.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1104.34ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 60.5MB in the beginning and 96.3MB in the end (delta: -35.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.76ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 93.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.53ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.52ms. Allocated memory is still 132.1MB. Free memory was 91.5MB in the beginning and 75.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 469.74ms. Allocated memory is still 132.1MB. Free memory was 75.4MB in the beginning and 101.8MB in the end (delta: -26.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 132.1MB. Free memory was 101.8MB in the beginning and 101.1MB in the end (delta: 771.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated - 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 00:00:23,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9357d019-1e66-4f73-9b2d-9e06ace2dbb9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample