./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_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_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:49,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:49,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:59:49,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:49,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:49,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:49,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:49,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:49,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:49,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:49,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:49,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:49,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:49,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:49,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:49,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:49,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:49,661 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:59:49,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:49,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:49,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:49,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:49,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:49,665 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:49,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:49,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:49,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:49,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:49,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:49,668 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:49,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:49,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:49,670 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_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 [2023-11-24 22:59:50,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:50,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:50,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:50,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:50,089 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:50,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2023-11-24 22:59:53,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:53,667 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:53,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2023-11-24 22:59:53,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/data/516224964/cfda435906444f71874fd76e5e425c05/FLAG2d32565bf [2023-11-24 22:59:53,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/data/516224964/cfda435906444f71874fd76e5e425c05 [2023-11-24 22:59:53,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:53,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:53,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:53,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:53,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:53,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ede19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53, skipping insertion in model container [2023-11-24 22:59:53,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,826 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:54,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:54,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:55,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:55,248 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:55,249 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:55,249 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:55,249 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:55,257 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:55,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55 WrapperNode [2023-11-24 22:59:55,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:55,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:55,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:55,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:55,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,343 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-24 22:59:55,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:55,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:55,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:55,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:55,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:55,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:55,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:55,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:55,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:55" (1/1) ... [2023-11-24 22:59:55,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:55,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:55,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:55,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:59:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:59:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:59:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:55,746 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:55,752 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:56,022 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:56,328 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:56,328 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:59:56,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:56 BoogieIcfgContainer [2023-11-24 22:59:56,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:56,332 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:56,332 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:56,343 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:56,343 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:56" (1/1) ... [2023-11-24 22:59:56,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:59:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:59:56,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:56,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:56,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:56,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:57,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:57,190 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:57,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-11-24 22:59:57,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated [2023-11-24 22:59:57,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-24 22:59:57,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:57 ImpRootNode [2023-11-24 22:59:57,241 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:57,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:57,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:57,242 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:57,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:56" (3/4) ... [2023-11-24 22:59:57,245 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:57,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:57,248 INFO L158 Benchmark]: Toolchain (without parser) took 3513.74ms. Allocated memory was 140.5MB in the beginning and 201.3MB in the end (delta: 60.8MB). Free memory was 94.3MB in the beginning and 162.6MB in the end (delta: -68.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:57,248 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:57,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1522.00ms. Allocated memory is still 140.5MB. Free memory was 94.3MB in the beginning and 82.6MB in the end (delta: 11.7MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:57,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.75ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 79.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:59:57,251 INFO L158 Benchmark]: Boogie Preprocessor took 56.51ms. Allocated memory is still 140.5MB. Free memory was 79.1MB in the beginning and 77.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:57,252 INFO L158 Benchmark]: RCFGBuilder took 925.17ms. Allocated memory is still 140.5MB. Free memory was 77.6MB in the beginning and 90.4MB in the end (delta: -12.8MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:57,253 INFO L158 Benchmark]: CodeCheck took 909.85ms. Allocated memory was 140.5MB in the beginning and 201.3MB in the end (delta: 60.8MB). Free memory was 90.4MB in the beginning and 162.6MB in the end (delta: -72.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:57,255 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 201.3MB. Free memory was 162.6MB in the beginning and 162.6MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:57,267 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 7 NumberOfCodeBlocks, 7 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: 1559]: 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 1568, overapproximation of bitwiseOr at line 1554. 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1522.00ms. Allocated memory is still 140.5MB. Free memory was 94.3MB in the beginning and 82.6MB in the end (delta: 11.7MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.75ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 79.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.51ms. Allocated memory is still 140.5MB. Free memory was 79.1MB in the beginning and 77.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 925.17ms. Allocated memory is still 140.5MB. Free memory was 77.6MB in the beginning and 90.4MB in the end (delta: -12.8MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * CodeCheck took 909.85ms. Allocated memory was 140.5MB in the beginning and 201.3MB in the end (delta: 60.8MB). Free memory was 90.4MB in the beginning and 162.6MB in the end (delta: -72.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 201.3MB. Free memory was 162.6MB in the beginning and 162.6MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:59:57,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:00,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:00,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:00:00,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:00,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:00,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:00,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:00,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:00,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:00,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:00,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:00,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:00,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:00,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:00,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:00,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:00,226 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:00,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:00,227 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:00,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:00,228 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:00,229 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:00,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:00,230 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:00,231 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:00,231 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:00,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:00,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:00,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:00,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:00,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:00,235 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:00,235 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:00,236 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:00,236 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:00,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:00,237 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_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 [2023-11-24 23:00:00,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:00,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:00,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:00,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:00,732 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:00,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2023-11-24 23:00:03,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:04,449 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:04,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2023-11-24 23:00:04,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/data/e726401df/ddb2e7d4eacd422a9fdc026677263288/FLAGdf4f86290 [2023-11-24 23:00:04,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/data/e726401df/ddb2e7d4eacd422a9fdc026677263288 [2023-11-24 23:00:04,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:04,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:04,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:04,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:04,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:04,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:04" (1/1) ... [2023-11-24 23:00:04,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be53a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:04, skipping insertion in model container [2023-11-24 23:00:04,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:04" (1/1) ... [2023-11-24 23:00:04,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:05,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:05,659 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:05,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:05,873 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:05,874 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:05,874 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:05,874 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:05,881 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:05,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05 WrapperNode [2023-11-24 23:00:05,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:05,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:05,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:05,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:05,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:05,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:05,973 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-11-24 23:00:05,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:05,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:05,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:05,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:05,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:05,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:05,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:05,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:06,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:06,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:06,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:06,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:06,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:06,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:06,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:06,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:06,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:05" (1/1) ... [2023-11-24 23:00:06,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:06,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:06,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:06,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:00:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:00:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:00:06,329 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:06,331 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:06,475 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:06,596 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:06,597 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:06,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:06 BoogieIcfgContainer [2023-11-24 23:00:06,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:06,600 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:06,600 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:06,610 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:06,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:06" (1/1) ... [2023-11-24 23:00:06,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:00:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:00:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:00:06,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:06,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:06,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:06,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:06,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:00:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:06,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:07,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:07,188 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:00:07,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:00:07,197 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:07,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-11-24 23:00:07,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-11-24 23:00:07,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-24 23:00:07,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:07 ImpRootNode [2023-11-24 23:00:07,238 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:07,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:07,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:07,240 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:07,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:06" (3/4) ... [2023-11-24 23:00:07,243 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:07,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:07,246 INFO L158 Benchmark]: Toolchain (without parser) took 2721.96ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 65.6MB in the end (delta: 9.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:07,246 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:07,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1355.26ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.6MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:07,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.50ms. Allocated memory is still 102.8MB. Free memory was 73.4MB in the beginning and 70.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:07,249 INFO L158 Benchmark]: Boogie Preprocessor took 37.39ms. Allocated memory is still 102.8MB. Free memory was 69.7MB in the beginning and 68.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:07,250 INFO L158 Benchmark]: RCFGBuilder took 586.07ms. Allocated memory is still 102.8MB. Free memory was 68.2MB in the beginning and 48.8MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:00:07,251 INFO L158 Benchmark]: CodeCheck took 638.22ms. Allocated memory is still 102.8MB. Free memory was 48.8MB in the beginning and 65.6MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:07,251 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 102.8MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:07,262 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 7 NumberOfCodeBlocks, 7 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: 1559]: 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 1568. 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1355.26ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.6MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.50ms. Allocated memory is still 102.8MB. Free memory was 73.4MB in the beginning and 70.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.39ms. Allocated memory is still 102.8MB. Free memory was 69.7MB in the beginning and 68.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 586.07ms. Allocated memory is still 102.8MB. Free memory was 68.2MB in the beginning and 48.8MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 638.22ms. Allocated memory is still 102.8MB. Free memory was 48.8MB in the beginning and 65.6MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 102.8MB. Free memory is still 65.6MB. 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~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:00:07,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14e5ce1-f5b5-4b5e-bbeb-2c47577d6e2b/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