./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_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_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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 df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:03:08,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:03:08,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:03:08,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:03:08,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:03:08,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:03:08,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:03:08,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:03:08,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:03:08,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:03:08,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:03:08,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:03:08,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:03:08,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:03:08,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:03:08,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:03:08,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:03:08,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:03:08,872 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:03:08,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:03:08,874 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:03:08,874 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:03:08,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:03:08,875 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:03:08,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:03:08,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:08,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:03:08,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:03:08,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:03:08,878 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:03:08,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:03:08,879 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:03:08,879 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_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda [2023-12-03 01:03:09,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:03:09,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:03:09,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:03:09,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:03:09,113 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:03:09,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2023-12-03 01:03:11,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:03:12,214 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:03:12,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2023-12-03 01:03:12,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/data/991bc75fe/d6acc430ed904d549192e856f46d70dc/FLAGab96c2eec [2023-12-03 01:03:12,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/data/991bc75fe/d6acc430ed904d549192e856f46d70dc [2023-12-03 01:03:12,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:03:12,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:03:12,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:12,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:03:12,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:03:12,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:12" (1/1) ... [2023-12-03 01:03:12,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a924ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:12, skipping insertion in model container [2023-12-03 01:03:12,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:12" (1/1) ... [2023-12-03 01:03:12,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:03:13,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:13,132 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:03:13,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:13,366 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:13,366 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:13,366 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:13,367 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:13,374 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:03:13,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13 WrapperNode [2023-12-03 01:03:13,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:13,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:13,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:03:13,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:03:13,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,428 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2023-12-03 01:03:13,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:13,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:03:13,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:03:13,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:03:13,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:03:13,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:03:13,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:03:13,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:03:13,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:13,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:13,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:03:13,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:03:13,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:03:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:03:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:03:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:03:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:03:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:03:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:03:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:03:13,634 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:03:13,636 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:03:13,816 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:03:13,984 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:03:13,985 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:03:13,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:13 BoogieIcfgContainer [2023-12-03 01:03:13,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:03:13,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:03:13,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:03:13,996 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:03:13,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:13" (1/1) ... [2023-12-03 01:03:14,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:03:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 01:03:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 01:03:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:03:14,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:14,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:03:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:03:14,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:03:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:03:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:03:14,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:03:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:03:14,514 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:03:14,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-03 01:03:14,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:03:14 ImpRootNode [2023-12-03 01:03:14,544 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:03:14,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:03:14,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:03:14,546 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:03:14,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:13" (3/4) ... [2023-12-03 01:03:14,548 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:03:14,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:03:14,551 INFO L158 Benchmark]: Toolchain (without parser) took 2294.32ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 120.9MB in the beginning and 147.1MB in the end (delta: -26.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-12-03 01:03:14,551 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:03:14,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1118.07ms. Allocated memory is still 163.6MB. Free memory was 120.9MB in the beginning and 125.8MB in the end (delta: -4.9MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2023-12-03 01:03:14,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.67ms. Allocated memory is still 163.6MB. Free memory was 125.8MB in the beginning and 122.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:03:14,553 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 163.6MB. Free memory was 122.6MB in the beginning and 120.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:03:14,554 INFO L158 Benchmark]: RCFGBuilder took 529.69ms. Allocated memory is still 163.6MB. Free memory was 120.5MB in the beginning and 84.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 01:03:14,554 INFO L158 Benchmark]: CodeCheck took 556.70ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 84.9MB in the beginning and 148.1MB in the end (delta: -63.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:03:14,555 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 197.1MB. Free memory was 148.1MB in the beginning and 147.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:03:14,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1571, overapproximation of bitwiseOr at line 1564. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, badStatic=1, data=-1073741825, 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 0.20ms. Allocated memory is still 111.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1118.07ms. Allocated memory is still 163.6MB. Free memory was 120.9MB in the beginning and 125.8MB in the end (delta: -4.9MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.67ms. Allocated memory is still 163.6MB. Free memory was 125.8MB in the beginning and 122.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 163.6MB. Free memory was 122.6MB in the beginning and 120.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.69ms. Allocated memory is still 163.6MB. Free memory was 120.5MB in the beginning and 84.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 556.70ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 84.9MB in the beginning and 148.1MB in the end (delta: -63.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 197.1MB. Free memory was 148.1MB in the beginning and 147.1MB in the end (delta: 1.1MB). 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: 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 01:03:14,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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 df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:03:16,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:03:16,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:03:16,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:03:16,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:03:16,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:03:16,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:03:16,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:03:16,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:03:16,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:03:16,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:03:16,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:03:16,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:03:16,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:03:16,666 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:03:16,667 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:03:16,667 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:03:16,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:03:16,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:03:16,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:03:16,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:03:16,670 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:03:16,671 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:03:16,671 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:03:16,672 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:16,672 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:03:16,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:03:16,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:16,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:03:16,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:03:16,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:03:16,675 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:03:16,675 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:16,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:03:16,676 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:03:16,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:03:16,676 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_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df29f6e58833d62bb206bcd7224ef68a083dbbe2c61307204040ab2ee2faebda [2023-12-03 01:03:16,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:03:16,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:03:16,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:03:16,985 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:03:16,985 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:03:16,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2023-12-03 01:03:19,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:03:20,027 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:03:20,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_bad.i [2023-12-03 01:03:20,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/data/3a5ab1a28/a0e6e04dff614e7d9c35021210bef3a6/FLAGd6d9922dc [2023-12-03 01:03:20,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/data/3a5ab1a28/a0e6e04dff614e7d9c35021210bef3a6 [2023-12-03 01:03:20,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:03:20,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:03:20,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:20,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:03:20,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:03:20,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:20" (1/1) ... [2023-12-03 01:03:20,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd8f458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:20, skipping insertion in model container [2023-12-03 01:03:20,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:20" (1/1) ... [2023-12-03 01:03:20,153 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:03:20,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:20,907 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:03:20,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:21,139 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:21,139 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:21,140 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:21,140 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:21,147 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:03:21,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21 WrapperNode [2023-12-03 01:03:21,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:21,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:21,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:03:21,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:03:21,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,211 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-12-03 01:03:21,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:21,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:03:21,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:03:21,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:03:21,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:03:21,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:03:21,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:03:21,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:03:21,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:21,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:03:21,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:03:21,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:03:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:03:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:03:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:03:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:03:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:03:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:03:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:03:21,442 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:03:21,444 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:03:21,587 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:03:21,642 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:03:21,642 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:03:21,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:21 BoogieIcfgContainer [2023-12-03 01:03:21,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:03:21,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:03:21,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:03:21,652 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:03:21,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:21" (1/1) ... [2023-12-03 01:03:21,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:03:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:03:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 01:03:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 01:03:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:03:21,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:03:21,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:21,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:03:21,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:03:21,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:03:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:03:21,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:03:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:03:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:03:22,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:03:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:03:22,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:03:22,058 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:03:22,082 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-03 01:03:22,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:03:22 ImpRootNode [2023-12-03 01:03:22,089 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:03:22,090 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:03:22,090 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:03:22,090 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:03:22,091 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:21" (3/4) ... [2023-12-03 01:03:22,093 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:03:22,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:03:22,095 INFO L158 Benchmark]: Toolchain (without parser) took 2025.55ms. Allocated memory is still 121.6MB. Free memory was 94.9MB in the beginning and 68.8MB in the end (delta: 26.1MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-03 01:03:22,095 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 72.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:03:22,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1077.65ms. Allocated memory is still 121.6MB. Free memory was 94.5MB in the beginning and 61.5MB in the end (delta: 33.0MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-12-03 01:03:22,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.22ms. Allocated memory is still 121.6MB. Free memory was 61.5MB in the beginning and 57.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:03:22,097 INFO L158 Benchmark]: Boogie Preprocessor took 30.08ms. Allocated memory is still 121.6MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:03:22,098 INFO L158 Benchmark]: RCFGBuilder took 401.42ms. Allocated memory is still 121.6MB. Free memory was 55.8MB in the beginning and 85.6MB in the end (delta: -29.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-12-03 01:03:22,098 INFO L158 Benchmark]: CodeCheck took 444.05ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 69.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:03:22,099 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 121.6MB. Free memory was 69.0MB in the beginning and 68.8MB in the end (delta: 207.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:03:22,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] 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}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, badStatic=1, data=-1073741825, 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 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 72.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1077.65ms. Allocated memory is still 121.6MB. Free memory was 94.5MB in the beginning and 61.5MB in the end (delta: 33.0MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.22ms. Allocated memory is still 121.6MB. Free memory was 61.5MB in the beginning and 57.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.08ms. Allocated memory is still 121.6MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.42ms. Allocated memory is still 121.6MB. Free memory was 55.8MB in the beginning and 85.6MB in the end (delta: -29.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * CodeCheck took 444.05ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 69.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 121.6MB. Free memory was 69.0MB in the beginning and 68.8MB in the end (delta: 207.0kB). 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 01:03:22,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208ee4ae-2c6f-494a-a8b9-a3422b0c01eb/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