./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL --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 9c6f3c29afeaa5db906ae64b239915aa2ddc6c7da536e5b8a2fdbedbd4df252a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:35,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:35,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:27:36,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:27:36,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:27:36,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:36,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:36,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:36,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:36,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:36,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:36,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:36,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:36,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:36,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:36,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:36,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:36,036 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:27:36,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:27:36,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:36,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:36,038 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:36,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:36,039 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:36,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:36,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:36,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:36,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:36,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:36,042 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:27:36,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:27:36,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:36,043 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_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c6f3c29afeaa5db906ae64b239915aa2ddc6c7da536e5b8a2fdbedbd4df252a [2023-11-19 03:27:36,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:36,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:36,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:36,398 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:36,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:36,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i [2023-11-19 03:27:39,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:39,841 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:39,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i [2023-11-19 03:27:39,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/data/b4043788a/3366ec6b7b88490cbbe97a8a656e18e1/FLAG5ab210bb4 [2023-11-19 03:27:39,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/data/b4043788a/3366ec6b7b88490cbbe97a8a656e18e1 [2023-11-19 03:27:39,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:39,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:39,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:39,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:39,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:39,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:39" (1/1) ... [2023-11-19 03:27:39,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37225ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:39, skipping insertion in model container [2023-11-19 03:27:39,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:39" (1/1) ... [2023-11-19 03:27:39,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:40,515 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:27:41,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:41,164 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:41,192 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:27:41,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:41,402 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:41,402 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:41,402 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:41,403 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:41,403 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:41,411 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:41,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41 WrapperNode [2023-11-19 03:27:41,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:41,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:41,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:41,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:41,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,479 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 95 [2023-11-19 03:27:41,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:41,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:41,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:41,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:41,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:41,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:41,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:41,526 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:41,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:41,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:41,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:41,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:27:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:27:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:27:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:27:41,779 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:41,781 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:41,979 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:42,296 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:42,296 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:42,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:42 BoogieIcfgContainer [2023-11-19 03:27:42,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:42,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:42,302 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:42,311 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:42,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:42" (1/1) ... [2023-11-19 03:27:42,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:27:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 03:27:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 03:27:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:27:42,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:42,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:42,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:27:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:43,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:27:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:43,106 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:27:43,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post111 could not be translated [2023-11-19 03:27:43,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:27:43 ImpRootNode [2023-11-19 03:27:43,158 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:27:43,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:27:43,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:27:43,159 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:27:43,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:42" (3/4) ... [2023-11-19 03:27:43,161 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:27:43,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:27:43,163 INFO L158 Benchmark]: Toolchain (without parser) took 3263.94ms. Allocated memory is still 186.6MB. Free memory was 155.3MB in the beginning and 149.6MB in the end (delta: 5.6MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-19 03:27:43,164 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:43,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1509.96ms. Allocated memory is still 186.6MB. Free memory was 155.3MB in the beginning and 91.4MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-19 03:27:43,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.58ms. Allocated memory is still 186.6MB. Free memory was 91.4MB in the beginning and 88.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:27:43,182 INFO L158 Benchmark]: Boogie Preprocessor took 43.69ms. Allocated memory is still 186.6MB. Free memory was 88.3MB in the beginning and 154.2MB in the end (delta: -65.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:27:43,183 INFO L158 Benchmark]: RCFGBuilder took 775.62ms. Allocated memory is still 186.6MB. Free memory was 154.2MB in the beginning and 115.4MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:27:43,183 INFO L158 Benchmark]: CodeCheck took 856.50ms. Allocated memory is still 186.6MB. Free memory was 115.4MB in the beginning and 150.7MB in the end (delta: -35.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-19 03:27:43,184 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 186.6MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:43,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_53d_badSink(data) [L1577] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.24ms. Allocated memory is still 130.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1509.96ms. Allocated memory is still 186.6MB. Free memory was 155.3MB in the beginning and 91.4MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.58ms. Allocated memory is still 186.6MB. Free memory was 91.4MB in the beginning and 88.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.69ms. Allocated memory is still 186.6MB. Free memory was 88.3MB in the beginning and 154.2MB in the end (delta: -65.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 775.62ms. Allocated memory is still 186.6MB. Free memory was 154.2MB in the beginning and 115.4MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 856.50ms. Allocated memory is still 186.6MB. Free memory was 115.4MB in the beginning and 150.7MB in the end (delta: -35.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 186.6MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post111 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 [2023-11-19 03:27:43,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/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_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL --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 9c6f3c29afeaa5db906ae64b239915aa2ddc6c7da536e5b8a2fdbedbd4df252a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:45,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:45,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:27:46,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:46,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:46,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:46,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:46,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:46,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:46,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:46,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:46,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:46,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:46,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:46,037 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:27:46,037 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:27:46,037 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:27:46,038 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:27:46,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:27:46,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:46,039 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:46,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:46,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:46,041 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:46,041 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:46,042 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:46,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:46,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:46,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:46,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:46,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:46,045 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:27:46,045 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:46,046 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:46,046 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:27:46,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:46,046 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_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c6f3c29afeaa5db906ae64b239915aa2ddc6c7da536e5b8a2fdbedbd4df252a [2023-11-19 03:27:46,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:46,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:46,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:46,438 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:46,439 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:46,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i [2023-11-19 03:27:49,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:49,984 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:49,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i [2023-11-19 03:27:50,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/data/7fa624281/7f94945db60b4cf89e78337bad2ecb00/FLAG374f6edb2 [2023-11-19 03:27:50,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/data/7fa624281/7f94945db60b4cf89e78337bad2ecb00 [2023-11-19 03:27:50,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:50,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:50,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:50,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:50,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:50,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:50" (1/1) ... [2023-11-19 03:27:50,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f60681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:50, skipping insertion in model container [2023-11-19 03:27:50,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:50" (1/1) ... [2023-11-19 03:27:50,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:50,623 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:27:51,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:51,177 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:51,197 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:27:51,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:51,384 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:51,384 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:51,385 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:51,385 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:51,385 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:51,392 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:51,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51 WrapperNode [2023-11-19 03:27:51,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:51,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:51,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:51,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:51,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,459 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2023-11-19 03:27:51,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:51,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:51,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:51,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:51,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:51,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:51,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:51,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:51,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:51" (1/1) ... [2023-11-19 03:27:51,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:51,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:51,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:51,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:27:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:27:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:27:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:27:51,819 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:51,821 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:51,976 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:52,045 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:52,045 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:52,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:52 BoogieIcfgContainer [2023-11-19 03:27:52,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:52,051 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:52,051 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:52,060 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:52,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:52" (1/1) ... [2023-11-19 03:27:52,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:27:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 03:27:52,123 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 03:27:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:27:52,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:52,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:52,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:27:52,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:27:52,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:27:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:52,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:27:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:52,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:27:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:52,570 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:27:52,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:27:52,584 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:27:52,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated [2023-11-19 03:27:52,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:27:52 ImpRootNode [2023-11-19 03:27:52,621 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:27:52,624 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:27:52,624 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:27:52,624 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:27:52,625 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:52" (3/4) ... [2023-11-19 03:27:52,625 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:27:52,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated [2023-11-19 03:27:52,698 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:27:52,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:27:52,699 INFO L158 Benchmark]: Toolchain (without parser) took 2657.82ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 49.7MB in the beginning and 71.6MB in the end (delta: -21.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-19 03:27:52,699 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:52,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.57ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 49.5MB in the beginning and 56.6MB in the end (delta: -7.0MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-19 03:27:52,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.32ms. Allocated memory is still 104.9MB. Free memory was 56.6MB in the beginning and 53.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:52,701 INFO L158 Benchmark]: Boogie Preprocessor took 48.40ms. Allocated memory is still 104.9MB. Free memory was 53.7MB in the beginning and 51.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:52,701 INFO L158 Benchmark]: RCFGBuilder took 540.47ms. Allocated memory is still 104.9MB. Free memory was 51.6MB in the beginning and 60.1MB in the end (delta: -8.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-19 03:27:52,702 INFO L158 Benchmark]: CodeCheck took 570.38ms. Allocated memory is still 104.9MB. Free memory was 60.1MB in the beginning and 73.7MB in the end (delta: -13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:27:52,702 INFO L158 Benchmark]: Witness Printer took 74.09ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:52,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1577]: integer overflow possible integer overflow possible We found a 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_53d_badSink(data) [L1577] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.58ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.57ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 49.5MB in the beginning and 56.6MB in the end (delta: -7.0MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.32ms. Allocated memory is still 104.9MB. Free memory was 56.6MB in the beginning and 53.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.40ms. Allocated memory is still 104.9MB. Free memory was 53.7MB in the beginning and 51.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.47ms. Allocated memory is still 104.9MB. Free memory was 51.6MB in the beginning and 60.1MB in the end (delta: -8.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * CodeCheck took 570.38ms. Allocated memory is still 104.9MB. Free memory was 60.1MB in the beginning and 73.7MB in the end (delta: -13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 74.09ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:27:52,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d1888ec-63b8-41a0-841a-d2b516b75ed0/bin/ukojak-verify-G8NBE6pJGL/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)