./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:00:48,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:00:49,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 05:00:49,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 05:00:49,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 05:00:49,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:00:49,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:00:49,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:00:49,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:00:49,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:00:49,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:00:49,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:00:49,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 05:00:49,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:00:49,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:00:49,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:00:49,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:00:49,059 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 05:00:49,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 05:00:49,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:00:49,061 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:00:49,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:00:49,062 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:00:49,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:00:49,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:00:49,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:00:49,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:00:49,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:00:49,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:00:49,066 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 05:00:49,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 05:00:49,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:00:49,067 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_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac [2023-12-03 05:00:49,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:00:49,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:00:49,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:00:49,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:00:49,318 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:00:49,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2023-12-03 05:00:52,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:00:52,333 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:00:52,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2023-12-03 05:00:52,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/data/04672f92f/f07c8bc5c5554abca5257b5a2079541a/FLAG4fce518e6 [2023-12-03 05:00:52,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/data/04672f92f/f07c8bc5c5554abca5257b5a2079541a [2023-12-03 05:00:52,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:00:52,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:00:52,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:00:52,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:00:52,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:00:52,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:00:52" (1/1) ... [2023-12-03 05:00:52,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4347a183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:52, skipping insertion in model container [2023-12-03 05:00:52,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:00:52" (1/1) ... [2023-12-03 05:00:52,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:00:53,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:00:53,248 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:00:53,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:00:53,448 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:00:53,448 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:00:53,448 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:00:53,449 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:00:53,456 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:00:53,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53 WrapperNode [2023-12-03 05:00:53,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:00:53,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:00:53,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:00:53,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:00:53,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,520 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98 [2023-12-03 05:00:53,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:00:53,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:00:53,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:00:53,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:00:53,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:00:53,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:00:53,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:00:53,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:00:53,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:53" (1/1) ... [2023-12-03 05:00:53,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:00:53,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:00:53,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:00:53,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:00:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 05:00:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 05:00:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 05:00:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 05:00:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:00:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:00:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:00:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 05:00:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 05:00:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 05:00:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 05:00:53,758 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:00:53,760 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:00:53,946 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:00:54,098 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:00:54,099 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 05:00:54,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:00:54 BoogieIcfgContainer [2023-12-03 05:00:54,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:00:54,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:00:54,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:00:54,108 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:00:54,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:00:54" (1/1) ... [2023-12-03 05:00:54,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:00:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:54,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 05:00:54,160 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 05:00:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:00:54,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:54,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:00:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:00:54,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 05:00:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:00:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:00:54,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 05:00:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:00:54,749 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 05:00:54,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-03 05:00:54,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 05:00:54 ImpRootNode [2023-12-03 05:00:54,776 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 05:00:54,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 05:00:54,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 05:00:54,777 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 05:00:54,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:00:54" (3/4) ... [2023-12-03 05:00:54,779 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 05:00:54,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 05:00:54,781 INFO L158 Benchmark]: Toolchain (without parser) took 2406.00ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 109.4MB in the beginning and 108.1MB in the end (delta: 1.3MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,782 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:00:54,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1080.94ms. Allocated memory is still 144.7MB. Free memory was 108.8MB in the beginning and 110.6MB in the end (delta: -1.8MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.26ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 107.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,783 INFO L158 Benchmark]: Boogie Preprocessor took 30.30ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 106.5MB in the end (delta: 878.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:00:54,784 INFO L158 Benchmark]: RCFGBuilder took 547.71ms. Allocated memory is still 144.7MB. Free memory was 106.5MB in the beginning and 67.5MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,785 INFO L158 Benchmark]: CodeCheck took 675.15ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 67.5MB in the beginning and 108.1MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:00:54,785 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 178.3MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:00:54,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559, 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)=14, argc=14, argv={18:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_64_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_multiply_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={19504:0}, dataVoidPtr={19504:0}, dataVoidPtr={19504:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={19504:0}, dataVoidPtr={19504:0}, dataVoidPtr={19504:0}, 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 0.18ms. Allocated memory is still 104.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1080.94ms. Allocated memory is still 144.7MB. Free memory was 108.8MB in the beginning and 110.6MB in the end (delta: -1.8MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.26ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 107.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.30ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 106.5MB in the end (delta: 878.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 547.71ms. Allocated memory is still 144.7MB. Free memory was 106.5MB in the beginning and 67.5MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 675.15ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 67.5MB in the beginning and 108.1MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 178.3MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet111 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 05:00:54,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:00:56,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:00:56,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 05:00:56,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:00:56,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:00:56,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:00:56,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:00:56,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:00:56,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:00:56,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:00:56,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:00:56,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:00:56,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:00:56,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:00:56,873 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 05:00:56,874 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 05:00:56,874 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 05:00:56,875 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 05:00:56,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 05:00:56,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:00:56,876 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:00:56,877 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:00:56,878 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:00:56,878 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:00:56,879 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:56,879 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 05:00:56,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:00:56,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:00:56,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:00:56,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:00:56,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:00:56,882 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 05:00:56,882 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:56,883 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:00:56,883 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 05:00:56,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 05:00:56,883 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_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0633365511ab4b3608c6525da6427420cfa249a9fc7b996664a9376f5eecc4ac [2023-12-03 05:00:57,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:00:57,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:00:57,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:00:57,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:00:57,188 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:00:57,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2023-12-03 05:00:59,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:01:00,292 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:01:00,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_64_bad.i [2023-12-03 05:01:00,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/data/d198f7353/cfd0cdeca3ae4614a9314ca86a56b72f/FLAG72d7474af [2023-12-03 05:01:00,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/data/d198f7353/cfd0cdeca3ae4614a9314ca86a56b72f [2023-12-03 05:01:00,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:01:00,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:01:00,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:01:00,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:01:00,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:01:00,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:01:00" (1/1) ... [2023-12-03 05:01:00,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1883ba26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:00, skipping insertion in model container [2023-12-03 05:01:00,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:01:00" (1/1) ... [2023-12-03 05:01:00,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:01:01,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:01:01,147 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 05:01:01,165 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:01:01,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:01:01,229 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:01:01,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:01:01,429 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:01,429 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:01,430 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:01,430 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 05:01:01,438 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:01:01,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01 WrapperNode [2023-12-03 05:01:01,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:01:01,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:01:01,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:01:01,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:01:01,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,502 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2023-12-03 05:01:01,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:01:01,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:01:01,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:01:01,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:01:01,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:01:01,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:01:01,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:01:01,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:01:01,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:01:01" (1/1) ... [2023-12-03 05:01:01,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:01:01,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:01:01,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:01:01,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:01:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 05:01:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 05:01:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 05:01:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 05:01:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:01:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:01:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:01:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 05:01:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 05:01:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 05:01:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 05:01:01,765 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:01:01,767 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:01:01,952 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:01:02,012 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:01:02,012 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 05:01:02,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:01:02 BoogieIcfgContainer [2023-12-03 05:01:02,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:01:02,015 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:01:02,015 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:01:02,025 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:01:02,026 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:01:02" (1/1) ... [2023-12-03 05:01:02,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:01:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 05:01:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 05:01:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:01:02,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:02,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:01:02,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:01:02,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:01:02,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 05:01:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:02,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 05:01:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:02,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 05:01:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:01:03,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 05:01:03,031 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 05:01:03,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-03 05:01:03,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 05:01:03 ImpRootNode [2023-12-03 05:01:03,059 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 05:01:03,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 05:01:03,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 05:01:03,060 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 05:01:03,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:01:02" (3/4) ... [2023-12-03 05:01:03,063 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 05:01:03,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 05:01:03,065 INFO L158 Benchmark]: Toolchain (without parser) took 2734.07ms. Allocated memory is still 94.4MB. Free memory was 67.5MB in the beginning and 55.1MB in the end (delta: 12.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-12-03 05:01:03,065 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:03,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1106.96ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 44.0MB in the end (delta: 23.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 05:01:03,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.11ms. Allocated memory is still 94.4MB. Free memory was 44.0MB in the beginning and 41.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 05:01:03,067 INFO L158 Benchmark]: Boogie Preprocessor took 37.23ms. Allocated memory is still 94.4MB. Free memory was 41.0MB in the beginning and 38.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 05:01:03,068 INFO L158 Benchmark]: RCFGBuilder took 473.33ms. Allocated memory is still 94.4MB. Free memory was 38.5MB in the beginning and 49.8MB in the end (delta: -11.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-12-03 05:01:03,068 INFO L158 Benchmark]: CodeCheck took 1044.15ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 55.1MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:03,069 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 94.4MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:01:03,072 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: 1.0s, 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, 0.2s 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_64_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_multiply_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={5:0}, dataVoidPtr={5:0}, dataVoidPtr={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={5:0}, dataVoidPtr={5:0}, dataVoidPtr={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1106.96ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 44.0MB in the end (delta: 23.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.11ms. Allocated memory is still 94.4MB. Free memory was 44.0MB in the beginning and 41.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.23ms. Allocated memory is still 94.4MB. Free memory was 41.0MB in the beginning and 38.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.33ms. Allocated memory is still 94.4MB. Free memory was 38.5MB in the beginning and 49.8MB in the end (delta: -11.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * CodeCheck took 1044.15ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 55.1MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 94.4MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet105 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 05:01:03,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36dd8ea3-5079-4a6e-8216-f7df768f5f54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample