./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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 0af0877265b266886160d42374de55af1a43c1c68384cd2379014d827b094fa0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:17,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:17,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:53:17,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:17,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:17,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:17,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:17,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:17,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:17,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:17,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:17,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:17,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:17,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:17,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:17,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:17,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:17,698 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:53:17,698 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:17,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:17,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:17,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:17,701 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:17,701 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:17,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:17,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:17,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:17,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:17,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:17,705 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:17,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:17,707 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:17,707 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_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0af0877265b266886160d42374de55af1a43c1c68384cd2379014d827b094fa0 [2023-11-24 22:53:18,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:18,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:18,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:18,121 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:18,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:18,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i [2023-11-24 22:53:21,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:22,453 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:22,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i [2023-11-24 22:53:22,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/data/cf8fbd474/4a402973ab9d4fd8beacfec21ccc1dd0/FLAG9eb0bfd48 [2023-11-24 22:53:22,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/data/cf8fbd474/4a402973ab9d4fd8beacfec21ccc1dd0 [2023-11-24 22:53:22,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:22,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:22,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:22,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:22,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:22,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5004f6e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22, skipping insertion in model container [2023-11-24 22:53:22,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,644 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:23,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:23,966 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:24,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:24,310 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,310 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,310 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,311 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,320 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:24,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24 WrapperNode [2023-11-24 22:53:24,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:24,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:24,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:24,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:24,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,439 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-24 22:53:24,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:24,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:24,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:24,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:24,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:24,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:24,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:24,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:24,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:24,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:24,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:24,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:53:24,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:53:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:24,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:53:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:24,812 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:24,815 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:24,986 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:25,115 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:25,121 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:53:25,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:25 BoogieIcfgContainer [2023-11-24 22:53:25,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:25,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:25,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:25,140 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:25,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:53:25,238 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:53:25,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:53:25,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:25,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:25,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:25,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:25,565 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:53:25,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:53:25,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-24 22:53:25,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:25 ImpRootNode [2023-11-24 22:53:25,602 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:25,603 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:25,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:25,604 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:25,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:25" (3/4) ... [2023-11-24 22:53:25,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:53:25,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:25,611 INFO L158 Benchmark]: Toolchain (without parser) took 3086.39ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 92.1MB in the beginning and 122.2MB in the end (delta: -30.1MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-11-24 22:53:25,612 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory was 53.5MB in the beginning and 53.3MB in the end (delta: 151.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:25,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1796.12ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 73.8MB in the end (delta: 18.1MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-24 22:53:25,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.26ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 71.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:53:25,615 INFO L158 Benchmark]: Boogie Preprocessor took 77.44ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:25,616 INFO L158 Benchmark]: RCFGBuilder took 605.56ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 69.6MB in the beginning and 137.9MB in the end (delta: -68.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:53:25,617 INFO L158 Benchmark]: CodeCheck took 476.98ms. Allocated memory is still 176.2MB. Free memory was 137.9MB in the beginning and 123.3MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:53:25,618 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 176.2MB. Free memory was 123.3MB in the beginning and 122.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:25,623 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: 1558]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_18_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) [L1558] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.38ms. Allocated memory is still 107.0MB. Free memory was 53.5MB in the beginning and 53.3MB in the end (delta: 151.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1796.12ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 73.8MB in the end (delta: 18.1MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.26ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 71.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.44ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.56ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 69.6MB in the beginning and 137.9MB in the end (delta: -68.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 476.98ms. Allocated memory is still 176.2MB. Free memory was 137.9MB in the beginning and 123.3MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 176.2MB. Free memory was 123.3MB in the beginning and 122.2MB in the end (delta: 1.1MB). 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~nondet100 - 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 [2023-11-24 22:53:25,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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 0af0877265b266886160d42374de55af1a43c1c68384cd2379014d827b094fa0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:28,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:28,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:53:28,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:28,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:28,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:28,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:28,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:28,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:28,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:28,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:28,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:28,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:28,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:28,954 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:53:28,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:53:28,955 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:53:28,956 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:53:28,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:28,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:28,958 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:28,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:28,960 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:28,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:28,962 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:28,962 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:28,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:28,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:28,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:28,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:28,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:28,966 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:53:28,967 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:28,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:28,968 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:53:28,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:28,969 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_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0af0877265b266886160d42374de55af1a43c1c68384cd2379014d827b094fa0 [2023-11-24 22:53:29,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:29,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:29,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:29,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:29,536 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:29,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i [2023-11-24 22:53:33,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:33,693 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:33,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_18_bad.i [2023-11-24 22:53:33,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/data/a6d4d4591/dc33faa748254b689e9a4278a2c070b8/FLAG9ba451137 [2023-11-24 22:53:33,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/data/a6d4d4591/dc33faa748254b689e9a4278a2c070b8 [2023-11-24 22:53:33,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:33,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:33,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:33,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:33,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:33,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651747a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:33, skipping insertion in model container [2023-11-24 22:53:33,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:33" (1/1) ... [2023-11-24 22:53:33,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:35,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:35,082 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:35,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:35,470 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:35,470 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:35,470 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:35,471 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:35,479 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:35,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35 WrapperNode [2023-11-24 22:53:35,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:35,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:35,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:35,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:35,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,575 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-24 22:53:35,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:35,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:35,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:35,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:35,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:35,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:35,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:35,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:35,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:35,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:35,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:35,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:53:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:53:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:53:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:53:35,939 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:35,942 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:36,120 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:36,179 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:36,180 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:53:36,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:36 BoogieIcfgContainer [2023-11-24 22:53:36,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:36,183 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:36,183 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:36,195 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:36,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:36" (1/1) ... [2023-11-24 22:53:36,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:36,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:53:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:53:36,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:53:36,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:36,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:36,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:53:36,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:53:36,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:53:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:36,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:36,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:36,667 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:53:36,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:53:36,677 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:53:36,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 22:53:36,711 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-24 22:53:36,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:36 ImpRootNode [2023-11-24 22:53:36,715 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:36,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:36,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:36,720 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:36,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:36" (3/4) ... [2023-11-24 22:53:36,724 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:53:36,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:36,727 INFO L158 Benchmark]: Toolchain (without parser) took 2952.95ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 48.2MB in the beginning and 63.3MB in the end (delta: -15.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-24 22:53:36,727 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:36,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1702.72ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 48.0MB in the beginning and 46.7MB in the end (delta: 1.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-24 22:53:36,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.24ms. Allocated memory is still 96.5MB. Free memory was 46.7MB in the beginning and 43.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:36,731 INFO L158 Benchmark]: Boogie Preprocessor took 80.91ms. Allocated memory is still 96.5MB. Free memory was 43.7MB in the beginning and 68.6MB in the end (delta: -24.8MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-24 22:53:36,732 INFO L158 Benchmark]: RCFGBuilder took 508.39ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 52.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:53:36,736 INFO L158 Benchmark]: CodeCheck took 532.17ms. Allocated memory is still 96.5MB. Free memory was 52.7MB in the beginning and 63.8MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:36,736 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 96.5MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:36,747 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: 1558]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_18_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) [L1558] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.85ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1702.72ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 48.0MB in the beginning and 46.7MB in the end (delta: 1.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.24ms. Allocated memory is still 96.5MB. Free memory was 46.7MB in the beginning and 43.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.91ms. Allocated memory is still 96.5MB. Free memory was 43.7MB in the beginning and 68.6MB in the end (delta: -24.8MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * RCFGBuilder took 508.39ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 52.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 532.17ms. Allocated memory is still 96.5MB. Free memory was 52.7MB in the beginning and 63.8MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 96.5MB. Free memory is still 63.3MB. 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~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 [2023-11-24 22:53:36,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33998c3d-4968-4be3-aa7c-82d7e3fc209d/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