./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b --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 7320c845cd56122d4feb36c71a7bf0b6ca8e6670c10112ab73336b238492a720 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:43:31,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:43:31,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:43:31,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:43:31,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:43:31,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:43:31,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:43:31,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:43:31,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:43:31,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:43:31,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:43:31,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:43:31,556 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:43:31,557 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:43:31,557 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:43:31,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:43:31,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:31,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:43:31,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:43:31,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:43:31,557 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:43:31,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:43:31,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b 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 -> 7320c845cd56122d4feb36c71a7bf0b6ca8e6670c10112ab73336b238492a720 [2024-12-06 00:43:31,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:43:31,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:43:31,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:43:31,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:43:31,808 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:43:31,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_10_bad.i [2024-12-06 00:43:34,425 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data/5ba2b5d71/82f21e3256664afd807ab2c4de1f250f/FLAGa22baaf3a [2024-12-06 00:43:34,727 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:43:34,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_10_bad.i [2024-12-06 00:43:34,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data/5ba2b5d71/82f21e3256664afd807ab2c4de1f250f/FLAGa22baaf3a [2024-12-06 00:43:34,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data/5ba2b5d71/82f21e3256664afd807ab2c4de1f250f [2024-12-06 00:43:34,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:43:34,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:43:34,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:34,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:43:34,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:43:34,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:34" (1/1) ... [2024-12-06 00:43:34,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be9eaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:34, skipping insertion in model container [2024-12-06 00:43:34,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:34" (1/1) ... [2024-12-06 00:43:34,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:43:35,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:35,421 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:43:35,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:35,588 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:43:35,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35 WrapperNode [2024-12-06 00:43:35,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:35,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:35,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:43:35,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:43:35,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,634 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-12-06 00:43:35,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:35,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:43:35,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:43:35,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:43:35,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,648 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:43:35,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:43:35,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:43:35,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:43:35,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:35" (1/1) ... [2024-12-06 00:43:35,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:35,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:43:35,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:43:35,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:43:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:43:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:43:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:43:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:43:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:43:35,811 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:43:35,813 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:43:35,997 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 00:43:35,997 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:43:36,153 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:43:36,153 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:43:36,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:36 BoogieIcfgContainer [2024-12-06 00:43:36,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:43:36,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:43:36,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:43:36,162 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:43:36,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:36" (1/1) ... [2024-12-06 00:43:36,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:43:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 00:43:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 00:43:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:43:36,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:36,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:36,390 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:43:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:36,525 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:43:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:36,563 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:43:36,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:43:36 ImpRootNode [2024-12-06 00:43:36,584 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:43:36,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:43:36,585 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:43:36,585 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:43:36,586 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:36" (3/4) ... [2024-12-06 00:43:36,588 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:43:36,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:43:36,590 INFO L158 Benchmark]: Toolchain (without parser) took 1827.17ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 93.2MB in the end (delta: 20.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-12-06 00:43:36,590 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:36,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.75ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 54.2MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:43:36,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.97ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 113.2MB in the end (delta: -58.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-06 00:43:36,592 INFO L158 Benchmark]: Boogie Preprocessor took 19.99ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 111.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:36,592 INFO L158 Benchmark]: RCFGBuilder took 498.18ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 70.9MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 00:43:36,592 INFO L158 Benchmark]: CodeCheck took 430.11ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 93.2MB in the end (delta: -22.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:36,593 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 93.2MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:36,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [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)) [L1556] COND TRUE \read(globalTrue) 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] [L1559] data - 1 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.75ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 54.2MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.97ms. Allocated memory is still 142.6MB. Free memory was 54.2MB in the beginning and 113.2MB in the end (delta: -58.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.99ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 111.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.18ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 70.9MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 430.11ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 93.2MB in the end (delta: -22.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 93.2MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:43:36,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b --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 7320c845cd56122d4feb36c71a7bf0b6ca8e6670c10112ab73336b238492a720 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:43:38,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:43:38,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:43:38,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:43:38,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:43:38,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:43:38,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:43:38,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:43:38,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:43:38,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:43:38,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:43:38,656 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:43:38,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:43:38,656 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:43:38,656 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:43:38,656 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:43:38,656 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:38,656 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:43:38,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:43:38,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:38,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:43:38,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:43:38,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:43:38,657 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:43:38,657 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:38,657 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:43:38,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b 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 -> 7320c845cd56122d4feb36c71a7bf0b6ca8e6670c10112ab73336b238492a720 [2024-12-06 00:43:38,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:43:38,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:43:38,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:43:38,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:43:38,907 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:43:38,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_10_bad.i [2024-12-06 00:43:41,583 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data/a1e77a0ad/a9891252216c4a55b3442ade39ed940a/FLAG2415d6d68 [2024-12-06 00:43:41,909 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:43:41,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_10_bad.i [2024-12-06 00:43:41,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data/a1e77a0ad/a9891252216c4a55b3442ade39ed940a/FLAG2415d6d68 [2024-12-06 00:43:42,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/data/a1e77a0ad/a9891252216c4a55b3442ade39ed940a [2024-12-06 00:43:42,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:43:42,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:43:42,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:42,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:43:42,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:43:42,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:42" (1/1) ... [2024-12-06 00:43:42,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291979bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:42, skipping insertion in model container [2024-12-06 00:43:42,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:42" (1/1) ... [2024-12-06 00:43:42,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:43:42,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:42,814 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:43:42,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:43,010 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:43:43,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43 WrapperNode [2024-12-06 00:43:43,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:43,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:43,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:43:43,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:43:43,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,051 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-12-06 00:43:43,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:43,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:43:43,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:43:43,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:43:43,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,070 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:43:43,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:43:43,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:43:43,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:43:43,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:43,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:43:43,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:43:43,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:43:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:43:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:43:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:43:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:43:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:43:43,247 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:43:43,248 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:43:43,349 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 00:43:43,349 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:43:43,404 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:43:43,404 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:43:43,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:43 BoogieIcfgContainer [2024-12-06 00:43:43,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:43:43,406 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:43:43,406 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:43:43,416 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:43:43,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:43" (1/1) ... [2024-12-06 00:43:43,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:43:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 00:43:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 00:43:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:43:43,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:43,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:43,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:43,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:43,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:43:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:43,606 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:43:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:43,697 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:43:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:43,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:43:43,729 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:43:43,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:43:43 ImpRootNode [2024-12-06 00:43:43,751 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:43:43,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:43:43,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:43:43,752 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:43:43,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:43" (3/4) ... [2024-12-06 00:43:43,753 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:43:43,788 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 00:43:43,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:43:43,826 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:43:43,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:43:43,827 INFO L158 Benchmark]: Toolchain (without parser) took 1676.19ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 53.1MB in the end (delta: 13.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-12-06 00:43:43,827 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:43,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 859.52ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 00:43:43,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.51ms. Allocated memory is still 92.3MB. Free memory was 64.0MB in the beginning and 61.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:43,828 INFO L158 Benchmark]: Boogie Preprocessor took 24.00ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 59.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:43,828 INFO L158 Benchmark]: RCFGBuilder took 328.03ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 41.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:43:43,828 INFO L158 Benchmark]: CodeCheck took 345.56ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 57.9MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:43,829 INFO L158 Benchmark]: Witness Printer took 74.07ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 53.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:43,830 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: 0.3s, 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [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)) [L1556] COND TRUE \read(globalTrue) 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] [L1559] data - 1 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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 859.52ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.51ms. Allocated memory is still 92.3MB. Free memory was 64.0MB in the beginning and 61.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.00ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 59.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.03ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 41.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 345.56ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 57.9MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.07ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 53.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:43:43,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e77501-f766-4fdb-980f-c7be6cfc25c7/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)