./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/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_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/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_83125cd1-b2d1-4cc3-ab6e-b62241027914/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 882699b2002032c8c2c1cd1e332a0a2a4f73dc7f2b96a106827484de2950a20e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:00:58,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:00:58,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:00:58,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:00:58,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:00:58,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:00:58,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:00:58,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:00:58,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:00:58,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:00:58,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:00:58,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:00:58,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:00:58,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:00:58,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:00:58,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:00:58,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:00:58,862 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:00:58,862 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:00:58,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:00:58,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:00:58,865 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:00:58,865 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:00:58,866 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:00:58,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:00:58,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:00:58,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:00:58,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:00:58,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:00:58,868 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:00:58,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:00:58,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:00:58,869 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_83125cd1-b2d1-4cc3-ab6e-b62241027914/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 882699b2002032c8c2c1cd1e332a0a2a4f73dc7f2b96a106827484de2950a20e [2023-12-02 21:00:59,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:00:59,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:00:59,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:00:59,091 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:00:59,091 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:00:59,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_06_bad.i [2023-12-02 21:01:01,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:01:02,143 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:01:02,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_06_bad.i [2023-12-02 21:01:02,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/data/55b93f52d/1ca50483c30e440abe9b2564f62f0114/FLAG1b1eb0971 [2023-12-02 21:01:02,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/data/55b93f52d/1ca50483c30e440abe9b2564f62f0114 [2023-12-02 21:01:02,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:01:02,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:01:02,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:01:02,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:01:02,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:01:02,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:01:02" (1/1) ... [2023-12-02 21:01:02,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231598c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:02, skipping insertion in model container [2023-12-02 21:01:02,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:01:02" (1/1) ... [2023-12-02 21:01:02,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:01:03,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:01:03,209 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:01:03,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:01:03,426 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:01:03,426 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:01:03,427 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:01:03,427 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:01:03,434 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:01:03,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03 WrapperNode [2023-12-02 21:01:03,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:01:03,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:01:03,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:01:03,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:01:03,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,492 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-12-02 21:01:03,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:01:03,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:01:03,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:01:03,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:01:03,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:01:03,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:01:03,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:01:03,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:01:03,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:01:03,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:01:03,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:01:03,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:01:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:01:03,605 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:01:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:01:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:01:03,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:01:03,606 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:01:03,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:01:03,742 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:01:03,745 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:01:03,834 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:01:03,875 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:01:03,876 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:01:03,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:01:03 BoogieIcfgContainer [2023-12-02 21:01:03,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:01:03,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:01:03,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:01:03,886 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:01:03,886 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:01:03" (1/1) ... [2023-12-02 21:01:03,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:01:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 21:01:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 21:01:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:01:03,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:01:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:01:04,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:01:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:01:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:01:04,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:01:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:01:04,168 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:01:04,190 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 21:01:04,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:01:04 ImpRootNode [2023-12-02 21:01:04,195 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:01:04,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:01:04,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:01:04,196 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:01:04,197 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:01:03" (3/4) ... [2023-12-02 21:01:04,199 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:01:04,200 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:01:04,200 INFO L158 Benchmark]: Toolchain (without parser) took 1790.99ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 102.4MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:01:04,201 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:01:04,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1024.44ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 76.8MB in the end (delta: 9.0MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2023-12-02 21:01:04,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.34ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 73.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:01:04,203 INFO L158 Benchmark]: Boogie Preprocessor took 27.11ms. Allocated memory is still 142.6MB. Free memory was 73.7MB in the beginning and 71.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:01:04,203 INFO L158 Benchmark]: RCFGBuilder took 356.93ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 58.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:01:04,204 INFO L158 Benchmark]: CodeCheck took 316.69ms. Allocated memory is still 142.6MB. Free memory was 58.5MB in the beginning and 102.4MB in the end (delta: -43.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:01:04,204 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 142.6MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:01:04,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1569. 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 const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_min_multiply_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.19ms. Allocated memory is still 100.7MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1024.44ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 76.8MB in the end (delta: 9.0MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.34ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 73.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.11ms. Allocated memory is still 142.6MB. Free memory was 73.7MB in the beginning and 71.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.93ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 58.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 316.69ms. Allocated memory is still 142.6MB. Free memory was 58.5MB in the beginning and 102.4MB in the end (delta: -43.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 142.6MB. Free memory is still 102.4MB. 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~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 [2023-12-02 21:01:04,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/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_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/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_83125cd1-b2d1-4cc3-ab6e-b62241027914/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 882699b2002032c8c2c1cd1e332a0a2a4f73dc7f2b96a106827484de2950a20e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:01:06,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:01:06,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:01:06,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:01:06,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:01:06,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:01:06,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:01:06,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:01:06,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:01:06,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:01:06,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:01:06,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:01:06,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:01:06,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:01:06,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:01:06,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:01:06,272 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:01:06,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:01:06,273 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:01:06,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:01:06,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:01:06,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:01:06,274 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:01:06,275 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:01:06,275 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:06,276 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:01:06,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:01:06,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:01:06,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:01:06,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:01:06,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:01:06,278 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:01:06,278 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:06,279 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:01:06,279 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:01:06,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:01:06,279 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_83125cd1-b2d1-4cc3-ab6e-b62241027914/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 882699b2002032c8c2c1cd1e332a0a2a4f73dc7f2b96a106827484de2950a20e [2023-12-02 21:01:06,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:01:06,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:01:06,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:01:06,619 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:01:06,620 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:01:06,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_06_bad.i [2023-12-02 21:01:09,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:01:09,753 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:01:09,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_06_bad.i [2023-12-02 21:01:09,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/data/e9c3b94ea/0cb6d0d1ac654364895cc7dcde43418b/FLAGb9833f4cd [2023-12-02 21:01:09,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/data/e9c3b94ea/0cb6d0d1ac654364895cc7dcde43418b [2023-12-02 21:01:09,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:01:09,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:01:09,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:01:09,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:01:09,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:01:09,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:01:09" (1/1) ... [2023-12-02 21:01:09,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1bee8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:09, skipping insertion in model container [2023-12-02 21:01:09,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:01:09" (1/1) ... [2023-12-02 21:01:09,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:01:10,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:01:10,790 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:01:10,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:01:11,009 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:01:11,009 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:01:11,009 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:01:11,010 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:01:11,016 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:01:11,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11 WrapperNode [2023-12-02 21:01:11,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:01:11,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:01:11,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:01:11,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:01:11,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,076 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-12-02 21:01:11,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:01:11,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:01:11,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:01:11,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:01:11,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:01:11,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:01:11,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:01:11,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:01:11,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:01:11,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:01:11,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:01:11,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:01:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:01:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:01:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:01:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:01:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:01:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:01:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:01:11,329 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:01:11,331 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:01:11,438 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:01:11,498 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:01:11,499 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:01:11,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:01:11 BoogieIcfgContainer [2023-12-02 21:01:11,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:01:11,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:01:11,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:01:11,512 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:01:11,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:01:11" (1/1) ... [2023-12-02 21:01:11,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:01:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 21:01:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 21:01:11,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:01:11,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:11,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:11,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:11,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:11,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:01:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:01:11,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:01:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:01:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:01:11,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:01:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:01:11,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:01:11,853 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:01:11,875 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 21:01:11,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:01:11 ImpRootNode [2023-12-02 21:01:11,881 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:01:11,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:01:11,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:01:11,882 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:01:11,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:01:11" (3/4) ... [2023-12-02 21:01:11,884 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:01:11,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:01:11,886 INFO L158 Benchmark]: Toolchain (without parser) took 2089.52ms. Allocated memory is still 123.7MB. Free memory was 97.4MB in the beginning and 79.2MB in the end (delta: 18.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-12-02 21:01:11,886 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:01:11,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1218.92ms. Allocated memory is still 123.7MB. Free memory was 97.4MB in the beginning and 65.5MB in the end (delta: 31.9MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-12-02 21:01:11,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.54ms. Allocated memory is still 123.7MB. Free memory was 65.5MB in the beginning and 62.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:01:11,888 INFO L158 Benchmark]: Boogie Preprocessor took 34.37ms. Allocated memory is still 123.7MB. Free memory was 62.7MB in the beginning and 60.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:01:11,889 INFO L158 Benchmark]: RCFGBuilder took 389.05ms. Allocated memory is still 123.7MB. Free memory was 60.8MB in the beginning and 94.6MB in the end (delta: -33.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-12-02 21:01:11,890 INFO L158 Benchmark]: CodeCheck took 378.99ms. Allocated memory is still 123.7MB. Free memory was 94.6MB in the beginning and 79.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:01:11,890 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 123.7MB. Free memory was 79.9MB in the beginning and 79.2MB in the end (delta: 770.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:01:11,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1569. 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 const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_min_multiply_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1218.92ms. Allocated memory is still 123.7MB. Free memory was 97.4MB in the beginning and 65.5MB in the end (delta: 31.9MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.54ms. Allocated memory is still 123.7MB. Free memory was 65.5MB in the beginning and 62.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.37ms. Allocated memory is still 123.7MB. Free memory was 62.7MB in the beginning and 60.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.05ms. Allocated memory is still 123.7MB. Free memory was 60.8MB in the beginning and 94.6MB in the end (delta: -33.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * CodeCheck took 378.99ms. Allocated memory is still 123.7MB. Free memory was 94.6MB in the beginning and 79.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 123.7MB. Free memory was 79.9MB in the beginning and 79.2MB in the end (delta: 770.6kB). 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 [2023-12-02 21:01:11,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83125cd1-b2d1-4cc3-ab6e-b62241027914/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