./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_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_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/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_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/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_197bdce2-1582-4094-8715-cf09f601b384/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 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:42,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:42,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:34:42,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:42,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:42,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:42,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:42,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:42,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:42,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:42,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:42,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:42,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:42,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:42,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:42,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:42,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:42,275 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:34:42,275 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:42,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:42,276 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:42,277 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:42,277 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:42,279 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:42,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:42,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:42,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:42,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:42,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:42,282 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:42,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:42,283 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:42,284 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_197bdce2-1582-4094-8715-cf09f601b384/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 [2023-11-19 03:34:42,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:42,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:42,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:42,592 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:42,593 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:42,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2023-11-19 03:34:45,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:46,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:46,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2023-11-19 03:34:46,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/data/a1e8964b0/faf3fb7aa86b4b6d9c69f3e4e884da75/FLAG1b9793caa [2023-11-19 03:34:46,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/data/a1e8964b0/faf3fb7aa86b4b6d9c69f3e4e884da75 [2023-11-19 03:34:46,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:46,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:46,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:46,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:46,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:46,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:46" (1/1) ... [2023-11-19 03:34:46,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e17efd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:46, skipping insertion in model container [2023-11-19 03:34:46,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:46" (1/1) ... [2023-11-19 03:34:46,475 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:46,982 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:34:47,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:47,607 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:47,628 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:34:47,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:47,863 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:47,864 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:47,864 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:47,864 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:47,864 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:47,872 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:47,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47 WrapperNode [2023-11-19 03:34:47,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:47,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:47,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:47,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:47,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:47,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:47,969 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2023-11-19 03:34:47,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:47,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:47,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:47,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:47,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:47,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:47,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:48,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:48,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:48,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:48,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:48,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:48,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:48,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:48,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:48,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:48,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:47" (1/1) ... [2023-11-19 03:34:48,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:48,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:48,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:48,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:34:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:34:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:34:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:48,269 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:48,271 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:48,496 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:48,813 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:48,813 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:34:48,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:48 BoogieIcfgContainer [2023-11-19 03:34:48,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:48,822 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:48,822 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:48,832 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:48,834 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:48,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 03:34:48,905 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 03:34:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:34:48,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:48,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:49,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:49,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:49,617 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:34:49,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated [2023-11-19 03:34:49,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:34:49 ImpRootNode [2023-11-19 03:34:49,654 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:34:49,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:34:49,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:34:49,658 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:34:49,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:48" (3/4) ... [2023-11-19 03:34:49,664 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:34:49,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:34:49,667 INFO L158 Benchmark]: Toolchain (without parser) took 3287.76ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 100.3MB in the beginning and 101.5MB in the end (delta: -1.2MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,667 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:49,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1491.93ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 100.0MB in the beginning and 125.5MB in the end (delta: -25.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.12ms. Allocated memory is still 180.4MB. Free memory was 125.5MB in the beginning and 123.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,670 INFO L158 Benchmark]: Boogie Preprocessor took 62.47ms. Allocated memory is still 180.4MB. Free memory was 122.2MB in the beginning and 121.3MB in the end (delta: 858.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:49,671 INFO L158 Benchmark]: RCFGBuilder took 787.01ms. Allocated memory is still 180.4MB. Free memory was 121.3MB in the beginning and 140.3MB in the end (delta: -19.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,672 INFO L158 Benchmark]: CodeCheck took 832.60ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 102.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,673 INFO L158 Benchmark]: Witness Printer took 7.99ms. Allocated memory is still 180.4MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:49,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_03_bad() [L1550] int data; [L1551] data = 0 [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)) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1491.93ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 100.0MB in the beginning and 125.5MB in the end (delta: -25.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.12ms. Allocated memory is still 180.4MB. Free memory was 125.5MB in the beginning and 123.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.47ms. Allocated memory is still 180.4MB. Free memory was 122.2MB in the beginning and 121.3MB in the end (delta: 858.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 787.01ms. Allocated memory is still 180.4MB. Free memory was 121.3MB in the beginning and 140.3MB in the end (delta: -19.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 832.60ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 102.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 7.99ms. Allocated memory is still 180.4MB. Free memory is still 101.5MB. 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~post110 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 03:34:49,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/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_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/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_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/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_197bdce2-1582-4094-8715-cf09f601b384/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 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:52,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:52,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:34:52,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:52,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:52,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:52,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:52,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:52,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:52,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:52,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:52,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:52,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:52,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:52,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:34:52,641 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:34:52,642 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:34:52,642 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:34:52,642 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:52,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:52,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:52,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:52,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:52,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:52,646 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:52,647 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:52,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:52,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:52,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:52,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:52,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:52,650 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:34:52,650 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:52,651 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:52,651 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:34:52,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:52,652 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_197bdce2-1582-4094-8715-cf09f601b384/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 [2023-11-19 03:34:53,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:53,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:53,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:53,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:53,069 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:53,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2023-11-19 03:34:56,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:56,749 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:56,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2023-11-19 03:34:56,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/data/fb2d26b23/62f54e6c0bb64f8d9ac029e69dd9df42/FLAG1c4b8e3c2 [2023-11-19 03:34:56,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/data/fb2d26b23/62f54e6c0bb64f8d9ac029e69dd9df42 [2023-11-19 03:34:56,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:56,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:56,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:56,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:56,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:56,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:56" (1/1) ... [2023-11-19 03:34:56,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37623bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:56, skipping insertion in model container [2023-11-19 03:34:56,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:56" (1/1) ... [2023-11-19 03:34:56,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:57,337 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:34:57,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:57,882 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:57,919 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:34:58,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:58,250 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:58,250 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:58,250 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:58,250 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:58,251 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:58,259 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:58,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58 WrapperNode [2023-11-19 03:34:58,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:58,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:58,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:58,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:58,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,371 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-19 03:34:58,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:58,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:58,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:58,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:58,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:58,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:58,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:58,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:58,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:58,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:58,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:58,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:34:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:34:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:34:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:34:58,734 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:58,736 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:58,863 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:58,939 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:58,939 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:34:58,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:58 BoogieIcfgContainer [2023-11-19 03:34:58,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:58,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:58,945 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:58,955 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:58,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:58" (1/1) ... [2023-11-19 03:34:58,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:59,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 03:34:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 03:34:59,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:34:59,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:59,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:59,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:34:59,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:34:59,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:34:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:59,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:59,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:59,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:34:59,580 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:34:59,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-11-19 03:34:59,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:34:59 ImpRootNode [2023-11-19 03:34:59,616 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:34:59,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:34:59,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:34:59,620 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:34:59,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:58" (3/4) ... [2023-11-19 03:34:59,622 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:34:59,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-11-19 03:34:59,685 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:34:59,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:34:59,688 INFO L158 Benchmark]: Toolchain (without parser) took 2886.26ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 35.1MB in the beginning and 34.6MB in the end (delta: 512.5kB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-19 03:34:59,688 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 62.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:59,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1457.91ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 34.8MB in the beginning and 50.9MB in the end (delta: -16.1MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-19 03:34:59,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.79ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 47.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:34:59,691 INFO L158 Benchmark]: Boogie Preprocessor took 54.34ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:59,691 INFO L158 Benchmark]: RCFGBuilder took 514.94ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 52.5MB in the end (delta: -7.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:34:59,692 INFO L158 Benchmark]: CodeCheck took 672.21ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 36.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:34:59,692 INFO L158 Benchmark]: Witness Printer took 67.18ms. Allocated memory is still 83.9MB. Free memory was 36.7MB in the beginning and 34.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:59,701 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1559]: 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_03_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 62.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1457.91ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 34.8MB in the beginning and 50.9MB in the end (delta: -16.1MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.79ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 47.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.34ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.94ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 52.5MB in the end (delta: -7.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 672.21ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 36.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 67.18ms. Allocated memory is still 83.9MB. Free memory was 36.7MB in the beginning and 34.6MB 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~post104 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 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 03:34:59,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197bdce2-1582-4094-8715-cf09f601b384/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)