./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV --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 20b9e0d114927c82dc23be4ddcdb4c99698220d6842fcc2a3f9e4234c3af6985 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:31,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:31,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:52:31,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:31,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:31,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:31,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:31,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:31,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:31,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:31,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:32,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:32,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:32,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:32,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:32,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:32,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:32,004 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:32,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:32,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:32,006 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:32,006 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:32,007 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:32,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:32,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:32,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:32,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:32,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:32,010 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:32,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:32,011 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:32,012 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_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20b9e0d114927c82dc23be4ddcdb4c99698220d6842fcc2a3f9e4234c3af6985 [2023-11-11 23:52:32,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:32,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:32,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:32,351 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:32,356 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:32,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_16_bad.i [2023-11-11 23:52:35,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:35,897 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:35,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_16_bad.i [2023-11-11 23:52:35,936 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/data/eebbdf438/1590e73a89f44d8098513876ed75af32/FLAG65f383952 [2023-11-11 23:52:35,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/data/eebbdf438/1590e73a89f44d8098513876ed75af32 [2023-11-11 23:52:36,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:36,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:36,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:36,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:36,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:36,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:35" (1/1) ... [2023-11-11 23:52:36,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f57c5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:36, skipping insertion in model container [2023-11-11 23:52:36,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:35" (1/1) ... [2023-11-11 23:52:36,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:36,457 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:52:37,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:37,053 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:37,074 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:52:37,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:37,295 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:37,295 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:37,295 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:37,295 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:37,296 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:37,304 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:37,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37 WrapperNode [2023-11-11 23:52:37,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:37,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:37,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:37,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:37,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,399 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2023-11-11 23:52:37,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:37,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:37,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:37,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:37,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:37,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:37,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:37,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:37,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:37,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:37,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:37,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:37,523 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:52:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:52:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:52:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:37,701 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:37,703 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:37,937 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:38,213 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:38,213 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:52:38,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:38 BoogieIcfgContainer [2023-11-11 23:52:38,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:38,250 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:38,250 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:38,276 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:38,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:38,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-11 23:52:38,387 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-11 23:52:38,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:52:38,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:38,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:38,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:52:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:38,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:52:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:39,058 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:52:39,098 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-11 23:52:39,100 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-11 23:52:39,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:52:39 ImpRootNode [2023-11-11 23:52:39,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:52:39,109 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:52:39,109 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:52:39,110 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:52:39,110 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:38" (3/4) ... [2023-11-11 23:52:39,115 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:52:39,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:52:39,117 INFO L158 Benchmark]: Toolchain (without parser) took 3114.31ms. Allocated memory is still 174.1MB. Free memory was 144.7MB in the beginning and 102.5MB in the end (delta: 42.2MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,118 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 134.2MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:39,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1298.92ms. Allocated memory is still 174.1MB. Free memory was 144.5MB in the beginning and 82.2MB in the end (delta: 62.3MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.17ms. Allocated memory is still 174.1MB. Free memory was 82.2MB in the beginning and 78.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,121 INFO L158 Benchmark]: Boogie Preprocessor took 37.65ms. Allocated memory is still 174.1MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,122 INFO L158 Benchmark]: RCFGBuilder took 810.48ms. Allocated memory is still 174.1MB. Free memory was 76.8MB in the beginning and 140.0MB in the end (delta: -63.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,123 INFO L158 Benchmark]: CodeCheck took 856.07ms. Allocated memory is still 174.1MB. Free memory was 140.0MB in the beginning and 102.5MB in the end (delta: 37.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,124 INFO L158 Benchmark]: Witness Printer took 7.32ms. Allocated memory is still 174.1MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:39,133 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: 0.7s, 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: 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); [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:12}, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_predec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [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)) [L1557] COND TRUE 1 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] [L1560] --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 0.79ms. Allocated memory is still 134.2MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1298.92ms. Allocated memory is still 174.1MB. Free memory was 144.5MB in the beginning and 82.2MB in the end (delta: 62.3MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.17ms. Allocated memory is still 174.1MB. Free memory was 82.2MB in the beginning and 78.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.65ms. Allocated memory is still 174.1MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 810.48ms. Allocated memory is still 174.1MB. Free memory was 76.8MB in the beginning and 140.0MB in the end (delta: -63.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * CodeCheck took 856.07ms. Allocated memory is still 174.1MB. Free memory was 140.0MB in the beginning and 102.5MB in the end (delta: 37.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 7.32ms. Allocated memory is still 174.1MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 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 [2023-11-11 23:52:39,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV --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 20b9e0d114927c82dc23be4ddcdb4c99698220d6842fcc2a3f9e4234c3af6985 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:41,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:42,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:52:42,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:42,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:42,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:42,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:42,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:42,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:42,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:42,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:42,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:42,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:42,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:42,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:52:42,099 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:52:42,099 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:42,100 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:52:42,100 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:42,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:42,101 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:42,102 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:42,103 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:42,103 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:52:42,104 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:52:42,104 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:52:42,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:42,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:42,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:42,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:42,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:42,107 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:52:42,107 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:52:42,108 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:42,108 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:52:42,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:52:42,109 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_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20b9e0d114927c82dc23be4ddcdb4c99698220d6842fcc2a3f9e4234c3af6985 [2023-11-11 23:52:42,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:42,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:42,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:42,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:42,568 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:42,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_16_bad.i [2023-11-11 23:52:45,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:46,152 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:46,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_16_bad.i [2023-11-11 23:52:46,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/data/830862a70/d78e8c2d2e484e46b02ec0647a7ac460/FLAG3c2c1dae0 [2023-11-11 23:52:46,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/data/830862a70/d78e8c2d2e484e46b02ec0647a7ac460 [2023-11-11 23:52:46,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:46,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:46,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:46,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:46,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:46,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:46" (1/1) ... [2023-11-11 23:52:46,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f040ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:46, skipping insertion in model container [2023-11-11 23:52:46,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:46" (1/1) ... [2023-11-11 23:52:46,301 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:46,812 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:52:47,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:47,640 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:47,659 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:52:47,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:47,948 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:47,948 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:47,949 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:47,949 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:47,949 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:47,957 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:47,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47 WrapperNode [2023-11-11 23:52:47,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:47,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:47,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:47,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:47,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,059 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2023-11-11 23:52:48,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:48,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:48,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:48,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:48,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:48,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:48,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:48,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:48,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:47" (1/1) ... [2023-11-11 23:52:48,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:48,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:48,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:48,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:52:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:52:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:52:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:52:48,375 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:48,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:48,517 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:48,622 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:48,629 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:52:48,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:48 BoogieIcfgContainer [2023-11-11 23:52:48,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:48,633 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:48,633 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:48,644 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:48,644 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:48" (1/1) ... [2023-11-11 23:52:48,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-11 23:52:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-11 23:52:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:52:48,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:48,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:52:48,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:52:48,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:52:48,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:52:48,771 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort RoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:52:48,775 INFO L158 Benchmark]: Toolchain (without parser) took 2567.54ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 52.8MB in the end (delta: 10.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-11 23:52:48,775 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 71.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:48,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1748.68ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 59.1MB in the end (delta: 3.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:48,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.43ms. Allocated memory is still 90.2MB. Free memory was 59.1MB in the beginning and 56.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:52:48,777 INFO L158 Benchmark]: Boogie Preprocessor took 60.08ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:48,778 INFO L158 Benchmark]: RCFGBuilder took 510.88ms. Allocated memory is still 90.2MB. Free memory was 54.0MB in the beginning and 58.2MB in the end (delta: -4.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-11 23:52:48,779 INFO L158 Benchmark]: CodeCheck took 140.43ms. Allocated memory is still 90.2MB. Free memory was 58.2MB in the beginning and 52.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:52:48,782 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort RoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 71.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1748.68ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 59.1MB in the end (delta: 3.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.43ms. Allocated memory is still 90.2MB. Free memory was 59.1MB in the beginning and 56.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.08ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.88ms. Allocated memory is still 90.2MB. Free memory was 54.0MB in the beginning and 58.2MB in the end (delta: -4.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * CodeCheck took 140.43ms. Allocated memory is still 90.2MB. Free memory was 58.2MB in the beginning and 52.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:52:48,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-11 23:52:49,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8347cb7-0941-4c1c-8e34-c743c0d00d20/bin/ukojak-verify-0OAaufAVZV/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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared