./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_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_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi --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 673aea9beaba8e16c775a9046e6afa423056dcc12e0811d0bf2bb7a88aefd3f2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:04,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:04,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:58:04,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:04,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:04,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:04,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:04,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:04,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:04,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:04,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:04,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:04,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:04,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:04,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:04,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:04,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:04,649 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:04,649 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:04,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:04,650 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:04,651 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:04,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:04,665 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:04,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:04,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:04,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:04,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:04,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:04,667 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:04,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:04,668 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:04,668 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_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673aea9beaba8e16c775a9046e6afa423056dcc12e0811d0bf2bb7a88aefd3f2 [2023-11-24 22:58:04,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:05,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:05,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:05,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:05,030 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:05,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_bad.i [2023-11-24 22:58:08,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:08,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:08,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_bad.i [2023-11-24 22:58:08,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/data/c34be2853/1f5e6d9c968a4476a56ddb539a33da4c/FLAGce8aa781b [2023-11-24 22:58:08,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/data/c34be2853/1f5e6d9c968a4476a56ddb539a33da4c [2023-11-24 22:58:08,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:08,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:08,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:08,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:08,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:08,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:08" (1/1) ... [2023-11-24 22:58:08,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ddb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:08, skipping insertion in model container [2023-11-24 22:58:08,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:08" (1/1) ... [2023-11-24 22:58:08,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:09,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:09,674 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:09,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:09,995 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:09,995 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:09,996 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:09,996 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:09,996 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:10,005 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:10,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10 WrapperNode [2023-11-24 22:58:10,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:10,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:10,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:10,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:10,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,136 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2023-11-24 22:58:10,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:10,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:10,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:10,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:10,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:10,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:10,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:10,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:10,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:10,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:10,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:10,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:58:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:58:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:10,317 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:58:10,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:10,485 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:10,487 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:10,661 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:10,712 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:10,712 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:58:10,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:10 BoogieIcfgContainer [2023-11-24 22:58:10,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:10,715 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:10,715 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:10,727 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:10,727 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:10" (1/1) ... [2023-11-24 22:58:10,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:10,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:58:10,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:58:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:58:10,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:10,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:11,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:11,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:11,226 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:58:11,263 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:58:11,265 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-11-24 22:58:11,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:11 ImpRootNode [2023-11-24 22:58:11,271 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:11,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:11,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:11,275 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:11,275 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:10" (3/4) ... [2023-11-24 22:58:11,280 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:58:11,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:11,284 INFO L158 Benchmark]: Toolchain (without parser) took 2651.76ms. Allocated memory is still 186.6MB. Free memory was 155.0MB in the beginning and 120.3MB in the end (delta: 34.6MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:11,285 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 102.4MB in the end (delta: 72.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:11,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1371.20ms. Allocated memory is still 186.6MB. Free memory was 155.0MB in the beginning and 91.9MB in the end (delta: 63.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 22:58:11,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.31ms. Allocated memory is still 186.6MB. Free memory was 91.9MB in the beginning and 151.8MB in the end (delta: -59.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:11,288 INFO L158 Benchmark]: Boogie Preprocessor took 75.06ms. Allocated memory is still 186.6MB. Free memory was 151.8MB in the beginning and 150.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:11,288 INFO L158 Benchmark]: RCFGBuilder took 500.31ms. Allocated memory is still 186.6MB. Free memory was 150.8MB in the beginning and 137.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:58:11,290 INFO L158 Benchmark]: CodeCheck took 556.37ms. Allocated memory is still 186.6MB. Free memory was 136.1MB in the beginning and 121.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:58:11,291 INFO L158 Benchmark]: Witness Printer took 8.84ms. Allocated memory is still 186.6MB. Free memory was 121.2MB in the beginning and 120.3MB in the end (delta: 810.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:11,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_min_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_min_postdec_65b_badSink; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CALL funcPtr(data) [L1568] 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 0.31ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 102.4MB in the end (delta: 72.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1371.20ms. Allocated memory is still 186.6MB. Free memory was 155.0MB in the beginning and 91.9MB in the end (delta: 63.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.31ms. Allocated memory is still 186.6MB. Free memory was 91.9MB in the beginning and 151.8MB in the end (delta: -59.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.06ms. Allocated memory is still 186.6MB. Free memory was 151.8MB in the beginning and 150.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.31ms. Allocated memory is still 186.6MB. Free memory was 150.8MB in the beginning and 137.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 556.37ms. Allocated memory is still 186.6MB. Free memory was 136.1MB in the beginning and 121.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.84ms. Allocated memory is still 186.6MB. Free memory was 121.2MB in the beginning and 120.3MB in the end (delta: 810.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post102 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 [2023-11-24 22:58:11,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/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_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi --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 673aea9beaba8e16c775a9046e6afa423056dcc12e0811d0bf2bb7a88aefd3f2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:13,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:14,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:58:14,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:14,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:14,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:14,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:14,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:14,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:14,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:14,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:14,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:14,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:14,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:14,079 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:58:14,079 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:58:14,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:14,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:58:14,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:14,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:14,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:14,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:14,083 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:14,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:14,084 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:14,085 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:14,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:14,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:14,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:14,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:14,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:14,087 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:58:14,088 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:14,088 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:14,088 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:58:14,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:14,089 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_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673aea9beaba8e16c775a9046e6afa423056dcc12e0811d0bf2bb7a88aefd3f2 [2023-11-24 22:58:14,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:14,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:14,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:14,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:14,581 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:14,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_bad.i [2023-11-24 22:58:17,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:18,270 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:18,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_bad.i [2023-11-24 22:58:18,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/data/8cd018516/e10c0248a985441c853595d409dfdb2f/FLAGdc6d3fa96 [2023-11-24 22:58:18,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/data/8cd018516/e10c0248a985441c853595d409dfdb2f [2023-11-24 22:58:18,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:18,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:18,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:18,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:18,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:18,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:18" (1/1) ... [2023-11-24 22:58:18,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aaba62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:18, skipping insertion in model container [2023-11-24 22:58:18,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:18" (1/1) ... [2023-11-24 22:58:18,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:19,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:19,408 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:19,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:19,685 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:19,685 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:19,685 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:19,686 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:19,686 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:19,693 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:19,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19 WrapperNode [2023-11-24 22:58:19,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:19,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:19,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:19,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:19,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,785 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2023-11-24 22:58:19,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:19,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:19,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:19,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:19,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:19,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:19,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:19,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:19,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:19,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:19,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:19,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:58:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:58:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:58:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:58:20,111 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:20,114 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:20,303 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:20,398 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:20,398 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:58:20,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:20 BoogieIcfgContainer [2023-11-24 22:58:20,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:20,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:20,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:20,415 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:20,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:20,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:58:20,503 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:58:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:58:20,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:20,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:20,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:20,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:20,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:58:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:20,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:20,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:20,948 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:58:20,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:20,956 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:58:20,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 22:58:20,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-24 22:58:20,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:20 ImpRootNode [2023-11-24 22:58:20,994 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:20,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:20,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:20,997 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:20,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:20" (3/4) ... [2023-11-24 22:58:21,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:58:21,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:21,003 INFO L158 Benchmark]: Toolchain (without parser) took 2668.67ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 47.5MB in the beginning and 70.8MB in the end (delta: -23.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-24 22:58:21,003 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:21,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1359.07ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 47.1MB in the beginning and 52.2MB in the end (delta: -5.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-24 22:58:21,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.74ms. Allocated memory is still 104.9MB. Free memory was 51.9MB in the beginning and 76.8MB in the end (delta: -24.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-24 22:58:21,007 INFO L158 Benchmark]: Boogie Preprocessor took 35.36ms. Allocated memory is still 104.9MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:21,008 INFO L158 Benchmark]: RCFGBuilder took 577.67ms. Allocated memory is still 104.9MB. Free memory was 74.7MB in the beginning and 58.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:58:21,009 INFO L158 Benchmark]: CodeCheck took 591.55ms. Allocated memory is still 104.9MB. Free memory was 58.4MB in the beginning and 70.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:21,009 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 104.9MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:21,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_min_postdec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_min_postdec_65b_badSink; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CALL funcPtr(data) [L1568] 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 0.69ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1359.07ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 47.1MB in the beginning and 52.2MB in the end (delta: -5.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.74ms. Allocated memory is still 104.9MB. Free memory was 51.9MB in the beginning and 76.8MB in the end (delta: -24.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.36ms. Allocated memory is still 104.9MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.67ms. Allocated memory is still 104.9MB. Free memory was 74.7MB in the beginning and 58.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 591.55ms. Allocated memory is still 104.9MB. Free memory was 58.4MB in the beginning and 70.8MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 104.9MB. Free memory is still 70.8MB. 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~nondet98 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post100 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 [2023-11-24 22:58:21,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4bf5d4b-0a8b-4389-ba97-61bdbf04abce/bin/ukojak-verify-afCqCEvfdi/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