./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_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_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14dd8ab1cf5b97ed5e87eda4eea69b19aecfab809e7a318ed1376a02b04f9bbe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:53:48,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:53:48,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:53:48,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:53:48,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:53:48,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:53:48,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:53:48,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:53:48,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:53:48,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:53:48,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:53:48,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:53:48,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:53:48,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:53:48,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:53:48,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:53:48,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:53:48,677 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:53:48,678 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:53:48,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:53:48,679 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:53:48,689 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:53:48,689 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:53:48,690 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:53:48,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:53:48,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:53:48,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:53:48,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:53:48,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:53:48,692 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:53:48,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:53:48,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:53:48,694 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_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14dd8ab1cf5b97ed5e87eda4eea69b19aecfab809e7a318ed1376a02b04f9bbe [2023-12-03 00:53:48,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:53:48,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:53:48,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:53:48,940 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:53:48,941 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:53:48,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_bad.i [2023-12-03 00:53:51,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:53:51,925 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:53:51,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_bad.i [2023-12-03 00:53:51,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/data/a5a15e4c8/ed6ede6c9a4745cc8eb13db04a0edee6/FLAG330674d47 [2023-12-03 00:53:51,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/data/a5a15e4c8/ed6ede6c9a4745cc8eb13db04a0edee6 [2023-12-03 00:53:51,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:53:51,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:53:51,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:53:51,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:53:51,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:53:51,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:53:51" (1/1) ... [2023-12-03 00:53:51,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21546545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:51, skipping insertion in model container [2023-12-03 00:53:51,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:53:51" (1/1) ... [2023-12-03 00:53:52,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:53:52,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:53:52,767 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:53:52,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:53:52,958 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:53:52,959 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:53:52,959 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:53:52,959 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:53:52,965 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:53:52,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52 WrapperNode [2023-12-03 00:53:52,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:53:52,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:53:52,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:53:52,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:53:52,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:52,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,042 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2023-12-03 00:53:53,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:53:53,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:53:53,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:53:53,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:53:53,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:53:53,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:53:53,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:53:53,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:53:53,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:52" (1/1) ... [2023-12-03 00:53:53,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:53:53,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:53:53,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:53:53,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:53:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:53:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:53:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:53:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:53:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:53:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:53:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:53:53,283 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:53:53,285 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:53:53,377 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:53:53,412 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:53:53,413 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:53:53,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:53:53 BoogieIcfgContainer [2023-12-03 00:53:53,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:53:53,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:53:53,415 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:53:53,425 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:53:53,425 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:53:53" (1/1) ... [2023-12-03 00:53:53,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:53:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:53:53,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:53:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:53:53,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:53,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:53:53,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:53:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:53:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:53:53,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:53:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:53:53,714 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:53:53,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 00:53:53,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:53:53 ImpRootNode [2023-12-03 00:53:53,737 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:53:53,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:53:53,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:53:53,738 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:53:53,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:53:53" (3/4) ... [2023-12-03 00:53:53,741 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:53:53,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:53:53,743 INFO L158 Benchmark]: Toolchain (without parser) took 1775.91ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 121.8MB in the end (delta: 29.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-12-03 00:53:53,744 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:53:53,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 997.54ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 87.5MB in the end (delta: 64.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 00:53:53,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.38ms. Allocated memory is still 184.5MB. Free memory was 87.5MB in the beginning and 153.1MB in the end (delta: -65.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-12-03 00:53:53,746 INFO L158 Benchmark]: Boogie Preprocessor took 25.87ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 152.2MB in the end (delta: 914.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:53:53,746 INFO L158 Benchmark]: RCFGBuilder took 344.19ms. Allocated memory is still 184.5MB. Free memory was 152.2MB in the beginning and 138.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:53:53,747 INFO L158 Benchmark]: CodeCheck took 322.19ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 121.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:53:53,748 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 184.5MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:53:53,751 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: 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 1570. 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 CWE191_Integer_Underflow__int_min_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_min_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_min_sub_45_goodB2GData; [L1570] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=0, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, 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) [L1570] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=0, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1563] data = (-0x7fffffff - 1) [L1564] CWE191_Integer_Underflow__int_min_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_min_sub_45_badData; VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 997.54ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 87.5MB in the end (delta: 64.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.38ms. Allocated memory is still 184.5MB. Free memory was 87.5MB in the beginning and 153.1MB in the end (delta: -65.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.87ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 152.2MB in the end (delta: 914.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.19ms. Allocated memory is still 184.5MB. Free memory was 152.2MB in the beginning and 138.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 322.19ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 121.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 184.5MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 [2023-12-03 00:53:53,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14dd8ab1cf5b97ed5e87eda4eea69b19aecfab809e7a318ed1376a02b04f9bbe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:53:55,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:53:55,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:53:55,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:53:55,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:53:55,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:53:55,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:53:55,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:53:55,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:53:55,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:53:55,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:53:55,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:53:55,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:53:55,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:53:55,798 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:53:55,799 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:53:55,799 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:53:55,800 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:53:55,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:53:55,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:53:55,801 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:53:55,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:53:55,803 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:53:55,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:53:55,803 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:55,804 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:53:55,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:53:55,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:53:55,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:53:55,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:53:55,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:53:55,807 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:53:55,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:55,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:53:55,807 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:53:55,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:53:55,808 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_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14dd8ab1cf5b97ed5e87eda4eea69b19aecfab809e7a318ed1376a02b04f9bbe [2023-12-03 00:53:56,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:53:56,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:53:56,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:53:56,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:53:56,119 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:53:56,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_bad.i [2023-12-03 00:53:58,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:53:59,309 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:53:59,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_bad.i [2023-12-03 00:53:59,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/data/a27723081/91a25758dc3748a4844cea8d0f38ae57/FLAGa8dd8bde2 [2023-12-03 00:53:59,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/data/a27723081/91a25758dc3748a4844cea8d0f38ae57 [2023-12-03 00:53:59,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:53:59,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:53:59,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:53:59,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:53:59,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:53:59,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:53:59" (1/1) ... [2023-12-03 00:53:59,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c27ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:53:59, skipping insertion in model container [2023-12-03 00:53:59,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:53:59" (1/1) ... [2023-12-03 00:53:59,451 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:54:00,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:54:00,427 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:54:00,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:54:00,659 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:00,660 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:00,660 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:00,660 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:54:00,668 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:54:00,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00 WrapperNode [2023-12-03 00:54:00,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:54:00,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:54:00,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:54:00,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:54:00,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,729 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2023-12-03 00:54:00,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:54:00,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:54:00,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:54:00,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:54:00,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:54:00,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:54:00,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:54:00,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:54:00,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:54:00" (1/1) ... [2023-12-03 00:54:00,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:54:00,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:54:00,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:54:00,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:54:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:54:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:54:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:54:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:54:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:54:00,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:54:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:54:00,994 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:54:00,996 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:54:01,107 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:54:01,160 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:54:01,160 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:54:01,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:54:01 BoogieIcfgContainer [2023-12-03 00:54:01,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:54:01,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:54:01,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:54:01,175 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:54:01,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:54:01" (1/1) ... [2023-12-03 00:54:01,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:54:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:01,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 00:54:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 00:54:01,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:54:01,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:01,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:01,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:01,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:01,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:54:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:01,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:54:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:01,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:54:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:54:01,592 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:54:01,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:54:01,605 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:54:01,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-03 00:54:01,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:54:01 ImpRootNode [2023-12-03 00:54:01,631 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:54:01,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:54:01,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:54:01,632 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:54:01,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:54:01" (3/4) ... [2023-12-03 00:54:01,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:54:01,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:54:01,636 INFO L158 Benchmark]: Toolchain (without parser) took 2279.96ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 67.4MB in the end (delta: 6.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-12-03 00:54:01,637 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:54:01,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1311.42ms. Allocated memory is still 100.7MB. Free memory was 73.5MB in the beginning and 70.5MB in the end (delta: 3.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-12-03 00:54:01,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.09ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 67.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:54:01,638 INFO L158 Benchmark]: Boogie Preprocessor took 37.20ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:54:01,639 INFO L158 Benchmark]: RCFGBuilder took 393.96ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 49.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:54:01,639 INFO L158 Benchmark]: CodeCheck took 467.56ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 67.4MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:54:01,640 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 100.7MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:54:01,643 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: 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 1570. 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 CWE191_Integer_Underflow__int_min_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_min_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_min_sub_45_goodB2GData; [L1570] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=0, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, 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) [L1570] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=0, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, 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] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1563] data = (-0x7fffffff - 1) [L1564] CWE191_Integer_Underflow__int_min_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_min_sub_45_badData; VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1311.42ms. Allocated memory is still 100.7MB. Free memory was 73.5MB in the beginning and 70.5MB in the end (delta: 3.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.09ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 67.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.20ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.96ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 49.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 467.56ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 67.4MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 100.7MB. Free memory is still 67.4MB. 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 [2023-12-03 00:54:01,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac01cb0b-4d5c-4a6f-9b01-2cbfd37f7fa3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample