./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/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_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/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_9bd1855c-1c05-485c-a589-8226d34b6bd3/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 d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:43:49,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:43:49,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:43:49,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:43:49,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:43:49,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:43:49,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:43:49,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:43:49,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:43:49,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:43:49,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:43:49,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:43:49,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:43:49,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:43:49,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:43:49,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:43:49,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:43:49,439 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:43:49,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:43:49,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:43:49,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:43:49,441 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:43:49,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:43:49,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:43:49,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:43:49,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:43:49,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:43:49,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:43:49,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:43:49,445 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:43:49,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:43:49,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:43:49,446 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_9bd1855c-1c05-485c-a589-8226d34b6bd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 [2023-12-03 03:43:49,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:43:49,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:43:49,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:43:49,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:43:49,674 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:43:49,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2023-12-03 03:43:52,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:43:52,742 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:43:52,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2023-12-03 03:43:52,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/data/13c6936ed/c5791348ea534b60ac50c633cf10e496/FLAGff98fb2b4 [2023-12-03 03:43:52,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/data/13c6936ed/c5791348ea534b60ac50c633cf10e496 [2023-12-03 03:43:52,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:43:52,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:43:52,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:43:52,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:43:52,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:43:52,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:43:52" (1/1) ... [2023-12-03 03:43:52,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d511822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:52, skipping insertion in model container [2023-12-03 03:43:52,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:43:52" (1/1) ... [2023-12-03 03:43:52,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:43:53,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:43:53,627 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:43:53,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:43:53,910 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:43:53,910 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:43:53,910 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:43:53,911 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:43:53,917 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:43:53,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53 WrapperNode [2023-12-03 03:43:53,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:43:53,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:43:53,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:43:53,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:43:53,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:53,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:53,977 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-12-03 03:43:53,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:43:53,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:43:53,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:43:53,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:43:53,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:53,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:53,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:53,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:53,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:53,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:54,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:54,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:54,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:43:54,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:43:54,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:43:54,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:43:54,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:53" (1/1) ... [2023-12-03 03:43:54,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:43:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:43:54,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:43:54,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:43:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:43:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:43:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:43:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:43:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:43:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:43:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:43:54,198 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:43:54,200 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:43:54,364 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:43:54,550 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:43:54,551 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:43:54,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:54 BoogieIcfgContainer [2023-12-03 03:43:54,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:43:54,553 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:43:54,553 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:43:54,563 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:43:54,564 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:54" (1/1) ... [2023-12-03 03:43:54,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:43:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:43:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:43:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:43:54,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:54,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:43:54,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:43:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:43:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:43:55,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:43:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:43:55,128 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:43:55,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-12-03 03:43:55,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:43:55 ImpRootNode [2023-12-03 03:43:55,156 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:43:55,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:43:55,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:43:55,158 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:43:55,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:54" (3/4) ... [2023-12-03 03:43:55,160 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:43:55,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:43:55,163 INFO L158 Benchmark]: Toolchain (without parser) took 2380.95ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 93.3MB in the beginning and 89.6MB in the end (delta: 3.7MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2023-12-03 03:43:55,163 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:43:55,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1134.67ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 92.9MB in the beginning and 116.1MB in the end (delta: -23.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 03:43:55,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.14ms. Allocated memory is still 188.7MB. Free memory was 115.6MB in the beginning and 112.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:43:55,166 INFO L158 Benchmark]: Boogie Preprocessor took 26.98ms. Allocated memory is still 188.7MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:43:55,166 INFO L158 Benchmark]: RCFGBuilder took 547.32ms. Allocated memory is still 188.7MB. Free memory was 110.6MB in the beginning and 131.5MB in the end (delta: -20.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-12-03 03:43:55,167 INFO L158 Benchmark]: CodeCheck took 603.27ms. Allocated memory is still 188.7MB. Free memory was 131.5MB in the beginning and 90.5MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 03:43:55,168 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 188.7MB. Free memory was 90.5MB in the beginning and 89.6MB in the end (delta: 940.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:43:55,172 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: 0.5s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567, overapproximation of bitwiseOr at line 1550. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1610612737, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1610612737, 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 0.21ms. Allocated memory is still 142.6MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1134.67ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 92.9MB in the beginning and 116.1MB in the end (delta: -23.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.14ms. Allocated memory is still 188.7MB. Free memory was 115.6MB in the beginning and 112.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.98ms. Allocated memory is still 188.7MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.32ms. Allocated memory is still 188.7MB. Free memory was 110.6MB in the beginning and 131.5MB in the end (delta: -20.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * CodeCheck took 603.27ms. Allocated memory is still 188.7MB. Free memory was 131.5MB in the beginning and 90.5MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 188.7MB. Free memory was 90.5MB in the beginning and 89.6MB in the end (delta: 940.7kB). 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~nondet112 - 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 03:43:55,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/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_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/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_9bd1855c-1c05-485c-a589-8226d34b6bd3/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 d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:43:57,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:43:57,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:43:57,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:43:57,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:43:57,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:43:57,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:43:57,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:43:57,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:43:57,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:43:57,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:43:57,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:43:57,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:43:57,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:43:57,380 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:43:57,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:43:57,382 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:43:57,382 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:43:57,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:43:57,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:43:57,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:43:57,385 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:43:57,386 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:43:57,386 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:43:57,386 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:57,387 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:43:57,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:43:57,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:43:57,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:43:57,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:43:57,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:43:57,390 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:43:57,390 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:57,390 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:43:57,391 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:43:57,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:43:57,391 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_9bd1855c-1c05-485c-a589-8226d34b6bd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4d5d36e5d7b0805d339862d3f698a80bbbb96365815d5000485f7e94a60f646 [2023-12-03 03:43:57,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:43:57,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:43:57,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:43:57,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:43:57,735 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:43:57,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2023-12-03 03:44:00,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:44:00,924 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:44:00,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_42_bad.i [2023-12-03 03:44:00,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/data/a1a15f30a/d05698415f51416484aa7093e3b43532/FLAGf098a3363 [2023-12-03 03:44:00,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/data/a1a15f30a/d05698415f51416484aa7093e3b43532 [2023-12-03 03:44:00,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:44:00,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:44:00,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:44:00,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:44:00,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:44:00,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:00,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72720ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:00, skipping insertion in model container [2023-12-03 03:44:00,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:00" (1/1) ... [2023-12-03 03:44:01,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:44:01,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:44:01,856 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:44:01,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:44:02,106 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:44:02,106 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:44:02,106 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:44:02,107 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:44:02,114 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:44:02,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02 WrapperNode [2023-12-03 03:44:02,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:44:02,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:44:02,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:44:02,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:44:02,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,173 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-12-03 03:44:02,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:44:02,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:44:02,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:44:02,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:44:02,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:44:02,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:44:02,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:44:02,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:44:02,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:44:02,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:44:02,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:44:02,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:44:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:44:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:44:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:44:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:44:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:44:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:44:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:44:02,432 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:44:02,433 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:44:02,561 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:44:02,618 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:44:02,619 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:44:02,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:02 BoogieIcfgContainer [2023-12-03 03:44:02,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:44:02,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:44:02,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:44:02,631 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:44:02,632 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:02" (1/1) ... [2023-12-03 03:44:02,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:44:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:02,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:44:02,699 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:44:02,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:44:02,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:02,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:02,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:02,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:02,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:44:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:44:02,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:44:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:44:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:44:03,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:44:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:44:03,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:03,094 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:44:03,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-12-03 03:44:03,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:44:03 ImpRootNode [2023-12-03 03:44:03,124 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:44:03,125 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:44:03,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:44:03,125 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:44:03,126 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:02" (3/4) ... [2023-12-03 03:44:03,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:44:03,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:44:03,130 INFO L158 Benchmark]: Toolchain (without parser) took 2161.50ms. Allocated memory was 81.8MB in the beginning and 127.9MB in the end (delta: 46.1MB). Free memory was 55.8MB in the beginning and 96.1MB in the end (delta: -40.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-12-03 03:44:03,130 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 81.8MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:44:03,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1145.54ms. Allocated memory was 81.8MB in the beginning and 127.9MB in the end (delta: 46.1MB). Free memory was 55.6MB in the beginning and 96.9MB in the end (delta: -41.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-12-03 03:44:03,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.73ms. Allocated memory is still 127.9MB. Free memory was 96.2MB in the beginning and 93.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:44:03,132 INFO L158 Benchmark]: Boogie Preprocessor took 36.53ms. Allocated memory is still 127.9MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:44:03,133 INFO L158 Benchmark]: RCFGBuilder took 409.61ms. Allocated memory is still 127.9MB. Free memory was 91.4MB in the beginning and 73.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:44:03,134 INFO L158 Benchmark]: CodeCheck took 502.93ms. Allocated memory is still 127.9MB. Free memory was 73.1MB in the beginning and 96.9MB in the end (delta: -23.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-12-03 03:44:03,134 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 127.9MB. Free memory was 96.9MB in the beginning and 96.1MB in the end (delta: 774.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:44:03,138 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: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, 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 0.21ms. Allocated memory is still 81.8MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1145.54ms. Allocated memory was 81.8MB in the beginning and 127.9MB in the end (delta: 46.1MB). Free memory was 55.6MB in the beginning and 96.9MB in the end (delta: -41.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.73ms. Allocated memory is still 127.9MB. Free memory was 96.2MB in the beginning and 93.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.53ms. Allocated memory is still 127.9MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.61ms. Allocated memory is still 127.9MB. Free memory was 91.4MB in the beginning and 73.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 502.93ms. Allocated memory is still 127.9MB. Free memory was 73.1MB in the beginning and 96.9MB in the end (delta: -23.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 127.9MB. Free memory was 96.9MB in the beginning and 96.1MB in the end (delta: 774.7kB). 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~nondet106 - 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 03:44:03,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd1855c-1c05-485c-a589-8226d34b6bd3/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