./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_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_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/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_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/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_456c1068-f11c-4e2b-918a-ac93e4b379c1/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 f28c0bccdbbc981c8239e8501bf6f11c7e5f823114cc4ea7d25f1d3a8b19616f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:34:45,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:34:45,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:34:45,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:34:45,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:34:45,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:34:45,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:34:45,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:34:45,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:34:45,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:34:45,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:34:45,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:34:45,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:34:45,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:34:45,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:34:45,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:34:45,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:34:45,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:34:45,246 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:34:45,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:34:45,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:34:45,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:34:45,252 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:34:45,252 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:34:45,253 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:34:45,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:34:45,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:45,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:34:45,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:34:45,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:34:45,254 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:34:45,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:34:45,254 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_456c1068-f11c-4e2b-918a-ac93e4b379c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28c0bccdbbc981c8239e8501bf6f11c7e5f823114cc4ea7d25f1d3a8b19616f [2024-11-08 22:34:45,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:34:45,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:34:45,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:34:45,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:34:45,616 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:34:45,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i Unable to find full path for "g++" [2024-11-08 22:34:47,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:34:48,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:34:48,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i [2024-11-08 22:34:48,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/data/644a09391/4a0a4e7f801c422e8f092b1555aebda7/FLAG6b04d6819 [2024-11-08 22:34:48,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/data/644a09391/4a0a4e7f801c422e8f092b1555aebda7 [2024-11-08 22:34:48,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:34:48,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:34:48,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:48,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:34:48,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:34:48,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:48" (1/1) ... [2024-11-08 22:34:48,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6715bf92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:48, skipping insertion in model container [2024-11-08 22:34:48,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:48" (1/1) ... [2024-11-08 22:34:48,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:34:49,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:49,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:34:49,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:49,504 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:34:49,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49 WrapperNode [2024-11-08 22:34:49,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:49,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:49,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:34:49,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:34:49,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,584 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-11-08 22:34:49,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:49,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:34:49,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:34:49,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:34:49,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:34:49,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:34:49,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:34:49,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:34:49,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:49" (1/1) ... [2024-11-08 22:34:49,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:49,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:34:49,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:34:49,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:34:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:34:49,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:34:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:34:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:34:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:34:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:34:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:34:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:34:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:34:49,893 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:34:49,896 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:34:50,168 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-08 22:34:50,169 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:34:50,492 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:34:50,492 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:34:50,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:50 BoogieIcfgContainer [2024-11-08 22:34:50,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:34:50,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:34:50,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:34:50,507 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:34:50,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:50" (1/1) ... [2024-11-08 22:34:50,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:34:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:34:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:34:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:34:50,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:50,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:34:50,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:34:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:34:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:34:51,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:34:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:34:51,292 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:34:51,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:34:51 ImpRootNode [2024-11-08 22:34:51,328 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:34:51,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:34:51,331 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:34:51,331 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:34:51,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:50" (3/4) ... [2024-11-08 22:34:51,336 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:34:51,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:34:51,339 INFO L158 Benchmark]: Toolchain (without parser) took 3258.21ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 112.7MB in the beginning and 144.3MB in the end (delta: -31.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-08 22:34:51,340 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 153.1MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:34:51,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1423.14ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 112.2MB in the beginning and 156.7MB in the end (delta: -44.5MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2024-11-08 22:34:51,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.57ms. Allocated memory is still 197.1MB. Free memory was 156.7MB in the beginning and 153.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:34:51,343 INFO L158 Benchmark]: Boogie Preprocessor took 31.70ms. Allocated memory is still 197.1MB. Free memory was 153.6MB in the beginning and 152.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:34:51,344 INFO L158 Benchmark]: RCFGBuilder took 870.34ms. Allocated memory is still 197.1MB. Free memory was 152.4MB in the beginning and 110.6MB in the end (delta: 41.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 22:34:51,345 INFO L158 Benchmark]: CodeCheck took 833.71ms. Allocated memory is still 197.1MB. Free memory was 110.6MB in the beginning and 144.3MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:34:51,346 INFO L158 Benchmark]: Witness Printer took 7.74ms. Allocated memory is still 197.1MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:34:51,349 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1559, overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [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 0.36ms. Allocated memory is still 153.1MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1423.14ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 112.2MB in the beginning and 156.7MB in the end (delta: -44.5MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.57ms. Allocated memory is still 197.1MB. Free memory was 156.7MB in the beginning and 153.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.70ms. Allocated memory is still 197.1MB. Free memory was 153.6MB in the beginning and 152.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 870.34ms. Allocated memory is still 197.1MB. Free memory was 152.4MB in the beginning and 110.6MB in the end (delta: 41.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 833.71ms. Allocated memory is still 197.1MB. Free memory was 110.6MB in the beginning and 144.3MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.74ms. Allocated memory is still 197.1MB. Free memory is still 144.3MB. 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 22:34:51,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/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_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/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_456c1068-f11c-4e2b-918a-ac93e4b379c1/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 f28c0bccdbbc981c8239e8501bf6f11c7e5f823114cc4ea7d25f1d3a8b19616f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:34:53,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:34:54,088 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:34:54,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:34:54,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:34:54,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:34:54,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:34:54,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:34:54,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:34:54,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:34:54,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:34:54,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:34:54,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:34:54,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:34:54,150 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:34:54,151 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:34:54,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:34:54,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:34:54,152 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:34:54,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:34:54,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:34:54,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:34:54,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:34:54,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:34:54,159 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:34:54,159 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:54,160 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:34:54,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:34:54,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:54,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:34:54,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:34:54,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:34:54,162 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:34:54,162 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:54,163 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:34:54,163 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_456c1068-f11c-4e2b-918a-ac93e4b379c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28c0bccdbbc981c8239e8501bf6f11c7e5f823114cc4ea7d25f1d3a8b19616f [2024-11-08 22:34:54,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:34:54,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:34:54,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:34:54,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:34:54,746 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:34:54,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i Unable to find full path for "g++" [2024-11-08 22:34:56,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:34:57,379 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:34:57,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i [2024-11-08 22:34:57,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/data/a7afa9dbb/062a5965357b480a936406759667d97f/FLAGec833ebda [2024-11-08 22:34:57,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/data/a7afa9dbb/062a5965357b480a936406759667d97f [2024-11-08 22:34:57,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:34:57,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:34:57,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:57,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:34:57,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:34:57,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:57" (1/1) ... [2024-11-08 22:34:57,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b8a446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:57, skipping insertion in model container [2024-11-08 22:34:57,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:57" (1/1) ... [2024-11-08 22:34:57,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:34:58,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:58,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:34:58,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:59,040 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:34:59,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59 WrapperNode [2024-11-08 22:34:59,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:59,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:59,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:34:59,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:34:59,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,100 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-11-08 22:34:59,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:59,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:34:59,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:34:59,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:34:59,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:34:59,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:34:59,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:34:59,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:34:59,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:59,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:34:59,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:34:59,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:34:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:34:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:34:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:34:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:34:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:34:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:34:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:34:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:34:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:34:59,408 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:34:59,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:34:59,622 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-08 22:34:59,622 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:34:59,741 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:34:59,744 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:34:59,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:59 BoogieIcfgContainer [2024-11-08 22:34:59,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:34:59,746 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:34:59,746 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:34:59,756 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:34:59,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:59" (1/1) ... [2024-11-08 22:34:59,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:34:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:59,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:34:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:34:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:34:59,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:59,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:59,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:59,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:59,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:35:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:00,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:00,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:00,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:35:00,332 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:35:00,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:35:00 ImpRootNode [2024-11-08 22:35:00,379 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:35:00,382 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:35:00,382 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:35:00,382 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:35:00,383 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:59" (3/4) ... [2024-11-08 22:35:00,387 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:35:00,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:35:00,390 INFO L158 Benchmark]: Toolchain (without parser) took 2946.38ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 44.0MB in the beginning and 53.6MB in the end (delta: -9.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-08 22:35:00,390 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 99.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:00,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1596.79ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 51.3MB in the end (delta: -7.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 22:35:00,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.69ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 47.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:35:00,393 INFO L158 Benchmark]: Boogie Preprocessor took 32.97ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:00,394 INFO L158 Benchmark]: RCFGBuilder took 610.54ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 48.1MB in the end (delta: -2.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-08 22:35:00,395 INFO L158 Benchmark]: CodeCheck took 633.35ms. Allocated memory is still 88.1MB. Free memory was 48.1MB in the beginning and 54.1MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:00,396 INFO L158 Benchmark]: Witness Printer took 6.88ms. Allocated memory is still 88.1MB. Free memory was 54.1MB in the beginning and 53.6MB in the end (delta: 460.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:00,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [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 0.76ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 99.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1596.79ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 51.3MB in the end (delta: -7.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.69ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 47.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.97ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.54ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 48.1MB in the end (delta: -2.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * CodeCheck took 633.35ms. Allocated memory is still 88.1MB. Free memory was 48.1MB in the beginning and 54.1MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.88ms. Allocated memory is still 88.1MB. Free memory was 54.1MB in the beginning and 53.6MB in the end (delta: 460.6kB). 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 22:35:00,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_456c1068-f11c-4e2b-918a-ac93e4b379c1/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