./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_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_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/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_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/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_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/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 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:53,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:53,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:01:53,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:53,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:53,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:53,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:53,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:53,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:53,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:53,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:53,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:53,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:53,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:53,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:53,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:53,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:53,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:01:53,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:53,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:53,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:53,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:53,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:53,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:53,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:53,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:53,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:53,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:53,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:53,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:53,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:53,920 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:53,920 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_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 [2023-11-24 23:01:54,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:54,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:54,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:54,259 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:54,260 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:54,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2023-11-24 23:01:57,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:58,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:58,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2023-11-24 23:01:58,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/data/52b71a794/56ad9db7459f424abfaa3079d037ef80/FLAG466d4a9e7 [2023-11-24 23:01:58,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/data/52b71a794/56ad9db7459f424abfaa3079d037ef80 [2023-11-24 23:01:58,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:58,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:58,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:58,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:58,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:58,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:58" (1/1) ... [2023-11-24 23:01:58,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45910586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:58, skipping insertion in model container [2023-11-24 23:01:58,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:58" (1/1) ... [2023-11-24 23:01:58,199 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:59,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:59,314 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:59,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:59,561 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:59,562 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:59,562 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:59,562 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:59,570 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:59,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59 WrapperNode [2023-11-24 23:01:59,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:59,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:59,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:59,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:59,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,647 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2023-11-24 23:01:59,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:59,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:59,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:59,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:59,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:59,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:59,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:59,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:59,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:59" (1/1) ... [2023-11-24 23:01:59,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:59,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:59,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:59,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:01:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:01:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:01:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:00,012 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:00,014 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:00,138 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:00,193 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:00,193 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:02:00,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:00 BoogieIcfgContainer [2023-11-24 23:02:00,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:00,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:00,196 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:00,208 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:00,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:00" (1/1) ... [2023-11-24 23:02:00,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 23:02:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 23:02:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:00,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:00,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:00,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:00,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:00,565 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:02:00,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:02:00,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:00 ImpRootNode [2023-11-24 23:02:00,606 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:00,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:00,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:00,607 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:00,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:00" (3/4) ... [2023-11-24 23:02:00,610 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:02:00,611 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:00,612 INFO L158 Benchmark]: Toolchain (without parser) took 2531.34ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 73.0MB in the end (delta: 54.3MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:00,612 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:00,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1487.33ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 107.6MB in the end (delta: 19.7MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:00,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.61ms. Allocated memory is still 176.2MB. Free memory was 107.6MB in the beginning and 104.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:00,614 INFO L158 Benchmark]: Boogie Preprocessor took 67.86ms. Allocated memory is still 176.2MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:00,615 INFO L158 Benchmark]: RCFGBuilder took 478.36ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 89.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:02:00,616 INFO L158 Benchmark]: CodeCheck took 409.68ms. Allocated memory is still 176.2MB. Free memory was 89.8MB in the beginning and 73.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:02:00,616 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 176.2MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:00,620 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1555]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=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 0.35ms. Allocated memory is still 123.7MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1487.33ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 107.6MB in the end (delta: 19.7MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.61ms. Allocated memory is still 176.2MB. Free memory was 107.6MB in the beginning and 104.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.86ms. Allocated memory is still 176.2MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.36ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 89.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 409.68ms. Allocated memory is still 176.2MB. Free memory was 89.8MB in the beginning and 73.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 176.2MB. Free memory is still 73.0MB. 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 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 23:02:00,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/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_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/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_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/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 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:03,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:03,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:02:03,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:03,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:03,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:03,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:03,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:03,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:03,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:03,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:03,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:03,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:03,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:03,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:02:03,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:02:03,659 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:03,660 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:02:03,660 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:03,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:03,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:03,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:03,663 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:03,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:03,664 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:03,665 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:03,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:03,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:03,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:03,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:03,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:03,669 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:02:03,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:03,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:03,670 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:02:03,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:03,670 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_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 [2023-11-24 23:02:04,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:04,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:04,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:04,170 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:04,171 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:04,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2023-11-24 23:02:07,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:08,144 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:08,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2023-11-24 23:02:08,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/data/18309db47/1d827433b0c944cab74ef9a0abdda1a5/FLAGa4f7e6290 [2023-11-24 23:02:08,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/data/18309db47/1d827433b0c944cab74ef9a0abdda1a5 [2023-11-24 23:02:08,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:08,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:08,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:08,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:08,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:08,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:08" (1/1) ... [2023-11-24 23:02:08,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515d0e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:08, skipping insertion in model container [2023-11-24 23:02:08,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:08" (1/1) ... [2023-11-24 23:02:08,282 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:09,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:09,657 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:09,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:09,918 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:09,918 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:09,919 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:09,919 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:09,927 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:09,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09 WrapperNode [2023-11-24 23:02:09,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:09,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:09,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:09,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:09,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:09,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,000 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2023-11-24 23:02:10,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:10,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:10,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:10,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:10,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:10,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:10,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:10,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:10,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:09" (1/1) ... [2023-11-24 23:02:10,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:10,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:10,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:10,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:02:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:02:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:02:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:02:10,343 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:10,346 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:10,513 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:10,602 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:10,604 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:02:10,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:10 BoogieIcfgContainer [2023-11-24 23:02:10,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:10,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:10,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:10,618 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:10,620 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:10" (1/1) ... [2023-11-24 23:02:10,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 23:02:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 23:02:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:10,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:10,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:10,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:02:10,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:02:10,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:02:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:10,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:11,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:11,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:02:11,071 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:02:11,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:02:11,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:11 ImpRootNode [2023-11-24 23:02:11,113 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:11,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:11,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:11,116 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:11,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:10" (3/4) ... [2023-11-24 23:02:11,119 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:02:11,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:11,122 INFO L158 Benchmark]: Toolchain (without parser) took 2912.15ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 58.3MB in the beginning and 71.3MB in the end (delta: -13.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-24 23:02:11,122 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 62.9MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:11,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1718.08ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 40.0MB in the end (delta: 18.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:11,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.27ms. Allocated memory is still 86.0MB. Free memory was 40.0MB in the beginning and 36.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:11,125 INFO L158 Benchmark]: Boogie Preprocessor took 66.20ms. Allocated memory is still 86.0MB. Free memory was 36.8MB in the beginning and 35.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:11,126 INFO L158 Benchmark]: RCFGBuilder took 538.80ms. Allocated memory is still 86.0MB. Free memory was 35.1MB in the beginning and 44.2MB in the end (delta: -9.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-24 23:02:11,127 INFO L158 Benchmark]: CodeCheck took 505.13ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 44.2MB in the beginning and 71.9MB in the end (delta: -27.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:11,128 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 104.9MB. Free memory was 71.9MB in the beginning and 71.3MB in the end (delta: 593.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:11,138 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1555]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] 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}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=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 0.62ms. Allocated memory is still 62.9MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1718.08ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 40.0MB in the end (delta: 18.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.27ms. Allocated memory is still 86.0MB. Free memory was 40.0MB in the beginning and 36.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.20ms. Allocated memory is still 86.0MB. Free memory was 36.8MB in the beginning and 35.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 538.80ms. Allocated memory is still 86.0MB. Free memory was 35.1MB in the beginning and 44.2MB in the end (delta: -9.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * CodeCheck took 505.13ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 44.2MB in the beginning and 71.9MB in the end (delta: -27.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 104.9MB. Free memory was 71.9MB in the beginning and 71.3MB in the end (delta: 593.1kB). 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~nondet97 - 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 23:02:11,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0c99ad-d03d-44fe-bc1d-b45f233aa7ab/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