./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/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_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/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_34b9965b-5a77-4459-9694-78fe30bed5a5/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 b12b1c6aa7f5e3bf9eb7ac23f64ecb685cbd4ea7169e388cf5dd5b29f8103fb5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:51,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:51,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:04:51,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:51,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:51,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:51,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:51,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:51,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:51,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:51,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:51,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:51,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:51,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:51,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:51,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:51,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:51,548 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:51,549 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:51,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:51,550 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:51,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:51,552 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:51,552 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:51,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:51,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:51,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:51,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:51,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:51,557 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:51,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:51,558 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:51,559 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_34b9965b-5a77-4459-9694-78fe30bed5a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b12b1c6aa7f5e3bf9eb7ac23f64ecb685cbd4ea7169e388cf5dd5b29f8103fb5 [2023-11-24 23:04:51,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:51,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:51,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:51,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:51,915 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:51,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i [2023-11-24 23:04:55,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:55,584 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:55,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i [2023-11-24 23:04:55,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/data/690bdfeb5/58d47dc676694fb88017a7599a5c8d22/FLAG05fdb8f73 [2023-11-24 23:04:55,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/data/690bdfeb5/58d47dc676694fb88017a7599a5c8d22 [2023-11-24 23:04:55,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:55,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:55,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:55,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:55,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:55,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:55" (1/1) ... [2023-11-24 23:04:55,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa419da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:55, skipping insertion in model container [2023-11-24 23:04:55,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:55" (1/1) ... [2023-11-24 23:04:55,757 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:56,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:56,688 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:56,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:56,948 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:56,949 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:56,949 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:56,949 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:56,949 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:56,959 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:56,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56 WrapperNode [2023-11-24 23:04:56,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:56,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:56,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:56,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:56,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:56,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,018 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2023-11-24 23:04:57,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:57,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:57,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:57,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:57,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:57,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:57,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:57,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:57,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:56" (1/1) ... [2023-11-24 23:04:57,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:57,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:57,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:57,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:04:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:04:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:04:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:57,278 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:57,280 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:57,381 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:57,422 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:57,422 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:04:57,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:57 BoogieIcfgContainer [2023-11-24 23:04:57,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:57,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:57,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:57,435 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:57,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:57" (1/1) ... [2023-11-24 23:04:57,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:57,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:04:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:04:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:57,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:57,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:57,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:57,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:57,736 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:04:57,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-11-24 23:04:57,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-24 23:04:57,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:57 ImpRootNode [2023-11-24 23:04:57,763 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:57,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:57,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:57,764 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:57,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:57" (3/4) ... [2023-11-24 23:04:57,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:57,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:57,769 INFO L158 Benchmark]: Toolchain (without parser) took 2122.58ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 95.5MB in the end (delta: 45.7MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:57,770 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:57,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.05ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 130.1MB in the end (delta: 11.2MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:57,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.39ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:57,772 INFO L158 Benchmark]: Boogie Preprocessor took 27.28ms. Allocated memory is still 176.2MB. Free memory was 127.0MB in the beginning and 125.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:57,773 INFO L158 Benchmark]: RCFGBuilder took 376.56ms. Allocated memory is still 176.2MB. Free memory was 125.9MB in the beginning and 111.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:57,773 INFO L158 Benchmark]: CodeCheck took 337.86ms. Allocated memory is still 176.2MB. Free memory was 111.2MB in the beginning and 95.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:57,774 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 176.2MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:57,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] data = (-0x7fffffff - 1) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.05ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 130.1MB in the end (delta: 11.2MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.39ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.28ms. Allocated memory is still 176.2MB. Free memory was 127.0MB in the beginning and 125.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.56ms. Allocated memory is still 176.2MB. Free memory was 125.9MB in the beginning and 111.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 337.86ms. Allocated memory is still 176.2MB. Free memory was 111.2MB in the beginning and 95.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 176.2MB. Free memory is still 95.5MB. 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~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:04:57,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/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_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/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_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/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_34b9965b-5a77-4459-9694-78fe30bed5a5/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 b12b1c6aa7f5e3bf9eb7ac23f64ecb685cbd4ea7169e388cf5dd5b29f8103fb5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:00,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:00,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:05:00,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:00,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:00,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:00,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:00,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:00,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:00,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:00,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:00,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:00,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:00,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:00,754 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:00,755 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:00,755 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:05:00,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:00,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:00,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:00,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:00,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:00,759 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:00,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:00,760 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:00,761 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:00,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:00,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:00,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:00,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:00,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:00,764 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:00,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:00,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:00,765 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:00,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:00,766 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_34b9965b-5a77-4459-9694-78fe30bed5a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b12b1c6aa7f5e3bf9eb7ac23f64ecb685cbd4ea7169e388cf5dd5b29f8103fb5 [2023-11-24 23:05:01,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:01,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:01,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:01,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:01,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:01,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i [2023-11-24 23:05:04,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:05,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:05,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_44_bad.i [2023-11-24 23:05:05,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/data/89a93050e/e2347b8a7ae14c4ba18772420bc888d1/FLAG0e4a6aede [2023-11-24 23:05:05,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/data/89a93050e/e2347b8a7ae14c4ba18772420bc888d1 [2023-11-24 23:05:05,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:05,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:05,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:05,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:05,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:05,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c2e3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:05, skipping insertion in model container [2023-11-24 23:05:05,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:05" (1/1) ... [2023-11-24 23:05:05,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:06,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:06,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:06,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:06,663 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:06,663 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:06,664 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:06,664 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:06,664 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:06,672 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:06,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06 WrapperNode [2023-11-24 23:05:06,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:06,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:06,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:06,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:06,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,742 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2023-11-24 23:05:06,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:06,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:06,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:06,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:06,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:06,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:06,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:06,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:06,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:06" (1/1) ... [2023-11-24 23:05:06,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:06,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:06,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:06,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:05:07,037 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:07,039 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:07,176 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:07,253 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:07,259 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:05:07,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:07 BoogieIcfgContainer [2023-11-24 23:05:07,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:07,262 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:07,264 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:07,274 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:07,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:07" (1/1) ... [2023-11-24 23:05:07,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:07,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:05:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:05:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:05:07,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:07,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:07,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:07,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:07,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:05:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:07,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:07,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:07,694 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:07,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:07,703 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:05:07,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:05:07,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-24 23:05:07,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:07 ImpRootNode [2023-11-24 23:05:07,741 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:07,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:07,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:07,744 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:07,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:07" (3/4) ... [2023-11-24 23:05:07,747 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:05:07,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:07,749 INFO L158 Benchmark]: Toolchain (without parser) took 2661.19ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 60.1MB in the beginning and 75.3MB in the end (delta: -15.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-24 23:05:07,750 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:07,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1579.87ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 44.8MB in the end (delta: 15.2MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-11-24 23:05:07,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.54ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 41.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:07,752 INFO L158 Benchmark]: Boogie Preprocessor took 35.74ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:07,754 INFO L158 Benchmark]: RCFGBuilder took 481.88ms. Allocated memory is still 88.1MB. Free memory was 39.5MB in the beginning and 47.3MB in the end (delta: -7.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-24 23:05:07,755 INFO L158 Benchmark]: CodeCheck took 478.73ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 46.9MB in the beginning and 75.3MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:07,755 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 107.0MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:07,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] data = (-0x7fffffff - 1) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1579.87ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 44.8MB in the end (delta: 15.2MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.54ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 41.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.74ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.88ms. Allocated memory is still 88.1MB. Free memory was 39.5MB in the beginning and 47.3MB in the end (delta: -7.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * CodeCheck took 478.73ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 46.9MB in the beginning and 75.3MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 107.0MB. Free memory is still 75.3MB. 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~nondet99 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:05:07,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34b9965b-5a77-4459-9694-78fe30bed5a5/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