./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk --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 cc6648f99be7028e29dc3bc74f4678242c970f35dddaff957bbd080ea9cfad11 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:45:55,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:45:55,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:45:55,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:45:55,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:45:55,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:45:55,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:45:55,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:45:55,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:45:55,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:45:55,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:45:55,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:45:55,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:45:55,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:45:55,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:45:55,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:45:55,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:45:55,566 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:45:55,590 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:45:55,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:45:55,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:45:55,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:45:55,592 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:45:55,593 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:45:55,593 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:45:55,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:45:55,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:45:55,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:45:55,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:45:55,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:45:55,597 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:45:55,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:45:55,599 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_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc6648f99be7028e29dc3bc74f4678242c970f35dddaff957bbd080ea9cfad11 [2024-11-08 22:45:55,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:45:56,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:45:56,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:45:56,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:45:56,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:45:56,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_bad.i Unable to find full path for "g++" [2024-11-08 22:45:58,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:45:58,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:45:58,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_bad.i [2024-11-08 22:45:58,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/data/fb4ac421c/6f2600902d3c475eb739253e20fc88d0/FLAG4cee52437 [2024-11-08 22:45:58,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/data/fb4ac421c/6f2600902d3c475eb739253e20fc88d0 [2024-11-08 22:45:58,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:45:58,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:45:58,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:45:58,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:45:58,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:45:58,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:45:58" (1/1) ... [2024-11-08 22:45:58,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604a7599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:45:58, skipping insertion in model container [2024-11-08 22:45:58,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:45:58" (1/1) ... [2024-11-08 22:45:59,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:00,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:00,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:00,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:00,334 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:00,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00 WrapperNode [2024-11-08 22:46:00,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:00,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:00,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:00,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:00,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,422 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2024-11-08 22:46:00,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:00,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:00,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:00,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:00,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:00,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:00,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:00,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:00,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:00" (1/1) ... [2024-11-08 22:46:00,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:00,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:00,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:00,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:46:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:46:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:00,740 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:00,742 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:00,965 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:00,965 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:01,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:01,189 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:46:01,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:01 BoogieIcfgContainer [2024-11-08 22:46:01,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:01,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:01,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:01,200 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:01,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:01" (1/1) ... [2024-11-08 22:46:01,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:46:01,267 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:46:01,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:46:01,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:01,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:46:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:01,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:01,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:01,919 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:46:01,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:46:01 ImpRootNode [2024-11-08 22:46:01,954 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:46:01,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:46:01,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:46:01,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:46:01,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:01" (3/4) ... [2024-11-08 22:46:01,961 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:46:01,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:46:01,965 INFO L158 Benchmark]: Toolchain (without parser) took 3008.23ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 112.7MB in the beginning and 170.0MB in the end (delta: -57.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:01,966 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 98.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:01,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1376.16ms. Allocated memory is still 176.2MB. Free memory was 112.5MB in the beginning and 91.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-08 22:46:01,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.36ms. Allocated memory is still 176.2MB. Free memory was 91.0MB in the beginning and 88.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:01,969 INFO L158 Benchmark]: Boogie Preprocessor took 30.89ms. Allocated memory is still 176.2MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:01,970 INFO L158 Benchmark]: RCFGBuilder took 732.39ms. Allocated memory is still 176.2MB. Free memory was 86.7MB in the beginning and 110.4MB in the end (delta: -23.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-08 22:46:01,972 INFO L158 Benchmark]: CodeCheck took 764.21ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 110.4MB in the beginning and 170.8MB in the end (delta: -60.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:01,973 INFO L158 Benchmark]: Witness Printer took 8.65ms. Allocated memory is still 211.8MB. Free memory was 170.8MB in the beginning and 170.0MB in the end (delta: 841.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:01,977 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: 0.7s, 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: 1569]: 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 1560, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1560] RET 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_multiply_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1567] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.43ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 98.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1376.16ms. Allocated memory is still 176.2MB. Free memory was 112.5MB in the beginning and 91.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.36ms. Allocated memory is still 176.2MB. Free memory was 91.0MB in the beginning and 88.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.89ms. Allocated memory is still 176.2MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 732.39ms. Allocated memory is still 176.2MB. Free memory was 86.7MB in the beginning and 110.4MB in the end (delta: -23.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 764.21ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 110.4MB in the beginning and 170.8MB in the end (delta: -60.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.65ms. Allocated memory is still 211.8MB. Free memory was 170.8MB in the beginning and 170.0MB in the end (delta: 841.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:46:02,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/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 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_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk --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 cc6648f99be7028e29dc3bc74f4678242c970f35dddaff957bbd080ea9cfad11 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:46:04,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:46:04,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:46:04,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:46:04,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:46:04,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:46:04,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:46:04,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:46:04,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:46:04,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:46:04,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:46:04,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:46:04,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:46:04,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:46:04,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:46:04,533 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:46:04,534 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:46:04,534 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:46:04,534 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:46:04,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:46:04,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:46:04,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:46:04,536 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:46:04,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:46:04,536 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:46:04,537 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:04,537 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:46:04,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:46:04,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:04,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:46:04,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:46:04,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:46:04,539 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:46:04,539 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:04,539 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:46:04,540 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_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc6648f99be7028e29dc3bc74f4678242c970f35dddaff957bbd080ea9cfad11 [2024-11-08 22:46:04,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:46:04,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:46:04,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:46:04,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:46:04,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:46:04,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_bad.i Unable to find full path for "g++" [2024-11-08 22:46:07,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:07,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:07,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_bad.i [2024-11-08 22:46:07,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/data/f2690d444/7bf058911e67438db3355eb40ee65150/FLAGbeefe7d6f [2024-11-08 22:46:07,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/data/f2690d444/7bf058911e67438db3355eb40ee65150 [2024-11-08 22:46:07,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:07,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:07,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:07,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:07,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:07,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:07" (1/1) ... [2024-11-08 22:46:07,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea59464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:07, skipping insertion in model container [2024-11-08 22:46:07,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:07" (1/1) ... [2024-11-08 22:46:07,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:08,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:08,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:08,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:08,957 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:08,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08 WrapperNode [2024-11-08 22:46:08,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:08,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:08,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:08,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:08,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,036 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2024-11-08 22:46:09,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:09,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:09,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:09,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:09,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:09,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:09,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:09,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:09,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:08" (1/1) ... [2024-11-08 22:46:09,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:09,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:09,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:09,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:46:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:46:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:09,340 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:09,342 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:09,479 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:09,479 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:09,544 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:09,544 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:46:09,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:09 BoogieIcfgContainer [2024-11-08 22:46:09,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:09,545 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:09,546 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:09,556 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:09,556 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:09" (1/1) ... [2024-11-08 22:46:09,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:09,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:46:09,624 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:46:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:46:09,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:09,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:09,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:09,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:09,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:46:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:09,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:10,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:10,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:46:10,116 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:46:10,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:46:10 ImpRootNode [2024-11-08 22:46:10,153 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:46:10,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:46:10,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:46:10,156 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:46:10,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:09" (3/4) ... [2024-11-08 22:46:10,160 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:46:10,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:46:10,162 INFO L158 Benchmark]: Toolchain (without parser) took 2633.03ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.3MB in the beginning and 65.2MB in the end (delta: -15.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-08 22:46:10,162 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:10,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.82ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 47.6MB in the end (delta: 1.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-08 22:46:10,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.76ms. Allocated memory is still 102.8MB. Free memory was 47.6MB in the beginning and 72.7MB in the end (delta: -25.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-08 22:46:10,165 INFO L158 Benchmark]: Boogie Preprocessor took 31.79ms. Allocated memory is still 102.8MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:10,166 INFO L158 Benchmark]: RCFGBuilder took 475.48ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 51.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:46:10,167 INFO L158 Benchmark]: CodeCheck took 607.77ms. Allocated memory is still 102.8MB. Free memory was 50.7MB in the beginning and 65.2MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:10,168 INFO L158 Benchmark]: Witness Printer took 7.43ms. Allocated memory is still 102.8MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:10,170 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: 1569]: 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 1560. 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); [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1560] RET 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_multiply_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1567] 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] [L1569] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.22ms. Allocated memory is still 77.6MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.82ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 47.6MB in the end (delta: 1.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.76ms. Allocated memory is still 102.8MB. Free memory was 47.6MB in the beginning and 72.7MB in the end (delta: -25.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.79ms. Allocated memory is still 102.8MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.48ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 51.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 607.77ms. Allocated memory is still 102.8MB. Free memory was 50.7MB in the beginning and 65.2MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.43ms. Allocated memory is still 102.8MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:46:10,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f1cf21-0f03-48d3-9bc9-24fc706ede51/bin/ukojak-verify-ImItNfHLgk/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