./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_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_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3 --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 b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:57:58,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:57:58,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:57:58,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:57:58,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:57:58,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:57:58,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:57:58,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:57:58,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:57:58,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:57:58,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:57:58,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:57:58,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:57:58,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:57:58,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:57:58,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:57:58,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:57:58,215 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:57:58,216 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:57:58,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:57:58,216 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:57:58,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:57:58,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:57:58,216 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:57:58,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:57:58,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:57:58,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:57:58,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:57:58,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:57:58,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:57:58,218 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:57:58,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:57:58,218 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_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3 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 -> b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 [2024-11-25 03:57:58,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:57:58,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:57:58,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:57:58,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:57:58,529 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:57:58,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2024-11-25 03:58:01,428 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data/71657881b/3a0a7f3f52874236ae571534963cee12/FLAGb381ce602 [2024-11-25 03:58:01,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:58:01,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2024-11-25 03:58:01,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data/71657881b/3a0a7f3f52874236ae571534963cee12/FLAGb381ce602 [2024-11-25 03:58:01,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data/71657881b/3a0a7f3f52874236ae571534963cee12 [2024-11-25 03:58:02,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:58:02,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:58:02,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:58:02,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:58:02,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:58:02,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:58:01" (1/1) ... [2024-11-25 03:58:02,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123b6948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:02, skipping insertion in model container [2024-11-25 03:58:02,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:58:01" (1/1) ... [2024-11-25 03:58:02,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:58:03,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:58:03,039 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:58:03,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:58:03,287 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:58:03,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03 WrapperNode [2024-11-25 03:58:03,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:58:03,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:58:03,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:58:03,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:58:03,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,342 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-25 03:58:03,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:58:03,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:58:03,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:58:03,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:58:03,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,371 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:58:03,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:58:03,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:58:03,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:58:03,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:03" (1/1) ... [2024-11-25 03:58:03,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:58:03,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:58:03,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:58:03,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:58:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:58:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:58:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:58:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:58:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:58:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:58:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:58:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:58:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:58:03,670 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:58:03,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:58:03,967 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-25 03:58:03,968 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:58:04,225 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:58:04,226 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:58:04,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:58:04 BoogieIcfgContainer [2024-11-25 03:58:04,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:58:04,227 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:58:04,227 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:58:04,238 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:58:04,238 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:58:04" (1/1) ... [2024-11-25 03:58:04,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:58:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:58:04,341 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:58:04,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:58:04,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:04,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:58:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:58:04,678 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:58:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:58:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:58:04,915 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:58:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:58:04,982 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:58:05,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:58:05 ImpRootNode [2024-11-25 03:58:05,017 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:58:05,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:58:05,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:58:05,018 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:58:05,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:58:04" (3/4) ... [2024-11-25 03:58:05,022 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:58:05,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:58:05,024 INFO L158 Benchmark]: Toolchain (without parser) took 3019.88ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 51.6MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:58:05,024 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:58:05,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.53ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 83.7MB in the end (delta: 8.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 03:58:05,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.60ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 80.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:58:05,029 INFO L158 Benchmark]: Boogie Preprocessor took 45.32ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:58:05,029 INFO L158 Benchmark]: RCFGBuilder took 837.57ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 41.5MB in the end (delta: 38.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:58:05,030 INFO L158 Benchmark]: CodeCheck took 789.44ms. Allocated memory is still 117.4MB. Free memory was 41.5MB in the beginning and 51.6MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:58:05,030 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 117.4MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:58:05,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1571]: 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.53ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 83.7MB in the end (delta: 8.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.60ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 80.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.32ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 837.57ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 41.5MB in the end (delta: 38.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 789.44ms. Allocated memory is still 117.4MB. Free memory was 41.5MB in the beginning and 51.6MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 117.4MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:58:05,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/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_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3 --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 b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:58:07,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:58:07,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:58:07,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:58:07,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:58:07,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:58:07,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:58:07,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:58:07,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:58:07,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:58:07,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:58:07,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:58:07,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:58:07,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:58:07,959 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:58:07,959 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:58:07,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:58:07,959 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:58:07,959 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:58:07,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:58:07,959 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:58:07,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:58:07,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:58:07,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:58:07,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:07,960 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:58:07,961 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_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3 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 -> b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 [2024-11-25 03:58:08,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:58:08,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:58:08,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:58:08,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:58:08,290 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:58:08,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2024-11-25 03:58:11,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data/e8b1f23a4/48889e3da3cb421fa0e8659bc2b3b5a4/FLAG500682ab5 [2024-11-25 03:58:11,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:58:11,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2024-11-25 03:58:11,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data/e8b1f23a4/48889e3da3cb421fa0e8659bc2b3b5a4/FLAG500682ab5 [2024-11-25 03:58:11,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/data/e8b1f23a4/48889e3da3cb421fa0e8659bc2b3b5a4 [2024-11-25 03:58:11,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:58:11,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:58:11,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:58:11,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:58:11,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:58:11,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:58:11" (1/1) ... [2024-11-25 03:58:11,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d26dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:11, skipping insertion in model container [2024-11-25 03:58:11,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:58:11" (1/1) ... [2024-11-25 03:58:11,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:58:12,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:58:12,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:58:12,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:58:13,050 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:58:13,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13 WrapperNode [2024-11-25 03:58:13,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:58:13,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:58:13,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:58:13,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:58:13,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,100 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-25 03:58:13,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:58:13,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:58:13,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:58:13,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:58:13,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,120 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:58:13,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:58:13,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:58:13,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:58:13,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:58:13,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:58:13,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:58:13,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:58:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:58:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:58:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:58:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:58:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:58:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:58:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:58:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:58:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:58:13,367 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:58:13,369 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:58:13,578 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-25 03:58:13,581 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:58:13,677 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:58:13,677 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:58:13,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:58:13 BoogieIcfgContainer [2024-11-25 03:58:13,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:58:13,679 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:58:13,679 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:58:13,689 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:58:13,689 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:58:13" (1/1) ... [2024-11-25 03:58:13,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:58:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:58:13,761 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:58:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:58:13,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:13,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:13,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:13,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:13,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:58:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:58:14,059 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:58:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:58:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:58:14,249 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:58:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:58:14,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:58:14,319 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:58:14,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:58:14 ImpRootNode [2024-11-25 03:58:14,360 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:58:14,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:58:14,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:58:14,362 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:58:14,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:58:13" (3/4) ... [2024-11-25 03:58:14,366 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:58:14,422 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 03:58:14,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:58:14,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:58:14,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:58:14,477 INFO L158 Benchmark]: Toolchain (without parser) took 2663.89ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 88.8MB in the beginning and 232.2MB in the end (delta: -143.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-25 03:58:14,478 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 117.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:58:14,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1238.39ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.7MB in the end (delta: 21.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-25 03:58:14,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.13ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 64.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:58:14,479 INFO L158 Benchmark]: Boogie Preprocessor took 31.54ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 63.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:58:14,479 INFO L158 Benchmark]: RCFGBuilder took 545.03ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 44.0MB in the end (delta: 18.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:58:14,479 INFO L158 Benchmark]: CodeCheck took 681.72ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 44.0MB in the beginning and 237.3MB in the end (delta: -193.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:58:14,480 INFO L158 Benchmark]: Witness Printer took 112.74ms. Allocated memory is still 276.8MB. Free memory was 236.6MB in the beginning and 232.2MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:58:14,485 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, 0.0s 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: 1571]: 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] 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] [L1571] 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 0.86ms. Allocated memory is still 117.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1238.39ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.7MB in the end (delta: 21.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.13ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 64.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.54ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 63.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.03ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 44.0MB in the end (delta: 18.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 681.72ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 44.0MB in the beginning and 237.3MB in the end (delta: -193.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 112.74ms. Allocated memory is still 276.8MB. Free memory was 236.6MB in the beginning and 232.2MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:58:14,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f325b0b0-755f-4817-bde3-349dafd2f827/bin/ukojak-verify-ENZ3QT5qd3/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)