./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_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_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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 8bb6c3d2ded947be958b70d6bdac4bb650e160e4c530b9f932c547ed015f4cc0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:48:40,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:48:40,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:48:40,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:48:40,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:48:40,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:48:40,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:48:40,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:48:40,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:48:40,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:48:40,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:48:40,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:48:40,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:48:40,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:48:40,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:48:40,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:48:40,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:40,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:48:40,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:48:40,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:48:40,234 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:48:40,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:48:40,234 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_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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 -> 8bb6c3d2ded947be958b70d6bdac4bb650e160e4c530b9f932c547ed015f4cc0 [2024-11-25 03:48:40,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:48:40,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:48:40,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:48:40,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:48:40,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:48:40,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i [2024-11-25 03:48:43,496 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data/68cd2b1db/eef9e3d3d39941f38646059fa616ae36/FLAGfed4fb9cb [2024-11-25 03:48:44,018 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:48:44,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i [2024-11-25 03:48:44,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data/68cd2b1db/eef9e3d3d39941f38646059fa616ae36/FLAGfed4fb9cb [2024-11-25 03:48:44,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data/68cd2b1db/eef9e3d3d39941f38646059fa616ae36 [2024-11-25 03:48:44,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:48:44,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:48:44,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:44,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:48:44,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:48:44,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:44" (1/1) ... [2024-11-25 03:48:44,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f131bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:44, skipping insertion in model container [2024-11-25 03:48:44,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:44" (1/1) ... [2024-11-25 03:48:44,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:48:45,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:45,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:48:45,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:45,935 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:48:45,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45 WrapperNode [2024-11-25 03:48:45,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:45,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:45,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:48:45,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:48:45,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:45,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,003 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-25 03:48:46,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:46,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:48:46,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:48:46,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:48:46,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,037 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:48:46,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:48:46,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:48:46,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:48:46,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:45" (1/1) ... [2024-11-25 03:48:46,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:46,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:48:46,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:48:46,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:48:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:48:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:48:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:48:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:48:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:48:46,273 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:48:46,275 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:48:46,484 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 03:48:46,484 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:48:46,812 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:48:46,813 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:48:46,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:46 BoogieIcfgContainer [2024-11-25 03:48:46,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:48:46,815 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:48:46,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:48:46,830 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:48:46,831 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:46" (1/1) ... [2024-11-25 03:48:46,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:48:46,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:48:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 03:48:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 03:48:46,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:48:46,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:48:46,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:48:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:48:47,316 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:48:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:48:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:48:47,568 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:48:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:48:47,638 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:48:47,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:48:47 ImpRootNode [2024-11-25 03:48:47,677 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:48:47,678 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:48:47,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:48:47,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:48:47,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:46" (3/4) ... [2024-11-25 03:48:47,682 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:48:47,683 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:48:47,684 INFO L158 Benchmark]: Toolchain (without parser) took 3113.25ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.3MB in the beginning and 280.8MB in the end (delta: -190.5MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-11-25 03:48:47,684 INFO L158 Benchmark]: CDTParser took 2.24ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:48:47,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1365.95ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 82.1MB in the end (delta: 7.9MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-25 03:48:47,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.69ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:48:47,686 INFO L158 Benchmark]: Boogie Preprocessor took 40.23ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:48:47,686 INFO L158 Benchmark]: RCFGBuilder took 760.96ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 78.2MB in the beginning and 321.9MB in the end (delta: -243.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-25 03:48:47,687 INFO L158 Benchmark]: CodeCheck took 862.21ms. Allocated memory is still 352.3MB. Free memory was 321.9MB in the beginning and 280.8MB in the end (delta: 41.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:48:47,687 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 352.3MB. Free memory is still 280.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:48:47,689 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1560]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [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(GLOBAL_CONST_TRUE) 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] [L1558] 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] [L1560] 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 2.24ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1365.95ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 82.1MB in the end (delta: 7.9MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.69ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.23ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 760.96ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 78.2MB in the beginning and 321.9MB in the end (delta: -243.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * CodeCheck took 862.21ms. Allocated memory is still 352.3MB. Free memory was 321.9MB in the beginning and 280.8MB in the end (delta: 41.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 352.3MB. Free memory is still 280.8MB. 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 03:48:47,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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 8bb6c3d2ded947be958b70d6bdac4bb650e160e4c530b9f932c547ed015f4cc0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:48:50,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:48:50,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:48:50,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:48:50,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:48:50,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:48:50,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:48:50,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:48:50,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:48:50,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:48:50,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:48:50,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:48:50,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:48:50,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:48:50,381 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:48:50,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:48:50,381 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:48:50,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:48:50,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:48:50,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:48:50,381 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:48:50,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:48:50,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:48:50,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:48:50,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:48:50,382 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:50,382 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:48:50,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:48:50,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:50,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:48:50,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:48:50,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:48:50,382 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:48:50,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:50,383 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:48:50,383 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_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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 -> 8bb6c3d2ded947be958b70d6bdac4bb650e160e4c530b9f932c547ed015f4cc0 [2024-11-25 03:48:50,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:48:50,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:48:50,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:48:50,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:48:50,752 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:48:50,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i [2024-11-25 03:48:53,654 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data/82f4ca31c/5ebd88a8a1644d63acb044a3d9e1b5f8/FLAG4afa08499 [2024-11-25 03:48:54,131 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:48:54,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i [2024-11-25 03:48:54,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data/82f4ca31c/5ebd88a8a1644d63acb044a3d9e1b5f8/FLAG4afa08499 [2024-11-25 03:48:54,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/data/82f4ca31c/5ebd88a8a1644d63acb044a3d9e1b5f8 [2024-11-25 03:48:54,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:48:54,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:48:54,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:54,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:48:54,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:48:54,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:54" (1/1) ... [2024-11-25 03:48:54,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2377aa88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:54, skipping insertion in model container [2024-11-25 03:48:54,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:48:54" (1/1) ... [2024-11-25 03:48:54,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:48:55,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:55,395 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:48:55,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:48:55,704 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:48:55,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55 WrapperNode [2024-11-25 03:48:55,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:48:55,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:55,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:48:55,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:48:55,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,765 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-25 03:48:55,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:48:55,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:48:55,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:48:55,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:48:55,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,792 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:48:55,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:48:55,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:48:55,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:48:55,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:48:55" (1/1) ... [2024-11-25 03:48:55,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:48:55,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:48:55,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:48:55,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:48:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:48:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:48:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:48:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:48:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:48:56,024 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:48:56,026 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:48:56,170 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 03:48:56,170 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:48:56,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:48:56,257 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:48:56,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:56 BoogieIcfgContainer [2024-11-25 03:48:56,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:48:56,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:48:56,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:48:56,270 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:48:56,271 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:56" (1/1) ... [2024-11-25 03:48:56,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:48:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:48:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 03:48:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 03:48:56,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:48:56,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:48:56,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:56,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:48:56,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:48:56,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:48:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:48:56,557 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:48:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:48:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:48:56,709 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:48:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:48:56,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:48:56,756 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:48:56,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:48:56 ImpRootNode [2024-11-25 03:48:56,795 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:48:56,796 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:48:56,796 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:48:56,796 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:48:56,797 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:48:56" (3/4) ... [2024-11-25 03:48:56,797 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:48:56,856 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 03:48:56,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:48:56,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:48:56,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:48:56,916 INFO L158 Benchmark]: Toolchain (without parser) took 2677.48ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.7MB in the beginning and 193.3MB in the end (delta: -103.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-25 03:48:56,916 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:48:56,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1466.99ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 67.8MB in the end (delta: 21.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 03:48:56,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.57ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 64.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:48:56,917 INFO L158 Benchmark]: Boogie Preprocessor took 34.91ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 63.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:48:56,918 INFO L158 Benchmark]: RCFGBuilder took 453.03ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 45.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:48:56,918 INFO L158 Benchmark]: CodeCheck took 536.35ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 45.2MB in the beginning and 198.3MB in the end (delta: -153.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:48:56,918 INFO L158 Benchmark]: Witness Printer took 117.54ms. Allocated memory is still 234.9MB. Free memory was 198.3MB in the beginning and 193.3MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:48:56,923 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1560]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [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(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1466.99ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 67.8MB in the end (delta: 21.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.57ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 64.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.91ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 63.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.03ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 45.2MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 536.35ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 45.2MB in the beginning and 198.3MB in the end (delta: -153.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.54ms. Allocated memory is still 234.9MB. Free memory was 198.3MB in the beginning and 193.3MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:48:56,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3766eb4e-7aad-4d18-b716-ec9dc3bfe5ac/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)