./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_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_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/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_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/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_9ecc963e-a65d-4342-960c-05e568b71374/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 1961c4d1f9c145c1288b3656f173e58fdc3912fd4337f73fed3c3d72d011c676 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:05:19,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:05:19,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:05:19,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:05:19,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:05:19,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:05:19,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:05:19,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:05:19,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:05:19,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:05:19,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:05:19,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:05:19,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:05:19,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:05:19,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:05:19,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:05:19,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:05:19,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:05:19,669 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:05:19,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:05:19,669 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:05:19,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:05:19,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:05:19,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:05:19,669 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:05:19,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:05:19,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:19,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:05:19,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:05:19,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:05:19,670 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:05:19,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:05:19,670 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_9ecc963e-a65d-4342-960c-05e568b71374/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 -> 1961c4d1f9c145c1288b3656f173e58fdc3912fd4337f73fed3c3d72d011c676 [2024-11-24 18:05:19,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:05:19,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:05:19,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:05:19,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:05:19,986 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:05:19,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i [2024-11-24 18:05:23,066 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data/27e5fa8e1/20aca94a58a24c89b60c6583d4054aa4/FLAG961d41bca [2024-11-24 18:05:23,543 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:05:23,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i [2024-11-24 18:05:23,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data/27e5fa8e1/20aca94a58a24c89b60c6583d4054aa4/FLAG961d41bca [2024-11-24 18:05:23,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data/27e5fa8e1/20aca94a58a24c89b60c6583d4054aa4 [2024-11-24 18:05:23,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:05:23,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:05:23,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:23,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:05:23,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:05:23,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:23" (1/1) ... [2024-11-24 18:05:23,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18be8e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:23, skipping insertion in model container [2024-11-24 18:05:23,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:23" (1/1) ... [2024-11-24 18:05:23,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:05:24,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:24,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:05:24,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:25,069 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:05:25,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25 WrapperNode [2024-11-24 18:05:25,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:25,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:25,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:05:25,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:05:25,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,147 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-11-24 18:05:25,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:25,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:05:25,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:05:25,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:05:25,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,179 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:05:25,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:05:25,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:05:25,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:05:25,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:25" (1/1) ... [2024-11-24 18:05:25,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:25,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:05:25,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:05:25,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:05:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:05:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:05:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:05:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:05:25,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:05:25,492 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:05:25,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:05:25,791 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-24 18:05:25,791 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:05:26,057 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:05:26,058 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:05:26,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:26 BoogieIcfgContainer [2024-11-24 18:05:26,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:05:26,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:05:26,059 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:05:26,070 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:05:26,071 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:26" (1/1) ... [2024-11-24 18:05:26,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:05:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-24 18:05:26,133 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-24 18:05:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:05:26,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:26,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:05:26,450 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:05:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:05:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:05:26,692 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:05:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:05:26,746 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:05:26,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:05:26 ImpRootNode [2024-11-24 18:05:26,780 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:05:26,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:05:26,784 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:05:26,785 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:05:26,785 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:26" (3/4) ... [2024-11-24 18:05:26,790 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:05:26,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:05:26,792 INFO L158 Benchmark]: Toolchain (without parser) took 3188.60ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 65.6MB in the end (delta: 23.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-24 18:05:26,792 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:26,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1468.92ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.7MB in the end (delta: 7.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-24 18:05:26,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.66ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:05:26,796 INFO L158 Benchmark]: Boogie Preprocessor took 53.16ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:26,797 INFO L158 Benchmark]: RCFGBuilder took 856.87ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 41.2MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:05:26,798 INFO L158 Benchmark]: CodeCheck took 721.25ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 65.6MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:26,798 INFO L158 Benchmark]: Witness Printer took 9.80ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:26,803 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_18_bad() [L1550] int data; [L1551] 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)) 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] [L1557] 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] [L1559] 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1468.92ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.7MB in the end (delta: 7.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.66ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.16ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 856.87ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 41.2MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 721.25ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 65.6MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.80ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:05:26,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/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_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/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_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/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_9ecc963e-a65d-4342-960c-05e568b71374/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 1961c4d1f9c145c1288b3656f173e58fdc3912fd4337f73fed3c3d72d011c676 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:05:29,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:05:29,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:05:29,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:05:29,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:05:29,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:05:29,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:05:29,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:05:29,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:05:29,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:05:29,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:05:29,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:05:29,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:05:29,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:05:29,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:05:29,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:05:29,920 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:05:29,921 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:05:29,921 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:05:29,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:05:29,921 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:05:29,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:05:29,921 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:05:29,921 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:05:29,921 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:05:29,921 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:29,922 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:05:29,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:05:29,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:29,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:05:29,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:05:29,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:05:29,922 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:05:29,922 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:29,922 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:05:29,922 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_9ecc963e-a65d-4342-960c-05e568b71374/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 -> 1961c4d1f9c145c1288b3656f173e58fdc3912fd4337f73fed3c3d72d011c676 [2024-11-24 18:05:30,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:05:30,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:05:30,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:05:30,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:05:30,288 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:05:30,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i [2024-11-24 18:05:33,323 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data/636f6d8db/883411bd16c842eda5068f674c53798b/FLAGeb73899cb [2024-11-24 18:05:33,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:05:33,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i [2024-11-24 18:05:33,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data/636f6d8db/883411bd16c842eda5068f674c53798b/FLAGeb73899cb [2024-11-24 18:05:33,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/data/636f6d8db/883411bd16c842eda5068f674c53798b [2024-11-24 18:05:33,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:05:33,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:05:33,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:33,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:05:33,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:05:33,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:33" (1/1) ... [2024-11-24 18:05:33,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a5b187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:33, skipping insertion in model container [2024-11-24 18:05:33,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:33" (1/1) ... [2024-11-24 18:05:34,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:05:35,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:35,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:05:35,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:35,628 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:05:35,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35 WrapperNode [2024-11-24 18:05:35,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:35,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:35,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:05:35,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:05:35,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,685 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-24 18:05:35,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:35,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:05:35,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:05:35,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:05:35,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,706 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:05:35,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:05:35,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:05:35,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:05:35,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:35" (1/1) ... [2024-11-24 18:05:35,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:35,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:05:35,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:05:35,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:05:35,785 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:05:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:05:35,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:05:35,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:05:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:05:35,944 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:05:35,946 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:05:36,121 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-24 18:05:36,121 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:05:36,218 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:05:36,219 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:05:36,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:36 BoogieIcfgContainer [2024-11-24 18:05:36,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:05:36,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:05:36,220 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:05:36,236 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:05:36,237 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:36" (1/1) ... [2024-11-24 18:05:36,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:05:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:36,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-24 18:05:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-24 18:05:36,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:05:36,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:36,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:05:36,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:05:36,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:05:36,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:05:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:05:36,521 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:05:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:05:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:05:36,715 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:05:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:05:36,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:05:36,763 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:05:36,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:05:36 ImpRootNode [2024-11-24 18:05:36,805 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:05:36,806 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:05:36,806 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:05:36,807 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:05:36,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:36" (3/4) ... [2024-11-24 18:05:36,811 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:05:36,870 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-24 18:05:36,938 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:05:36,938 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:05:36,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:05:36,942 INFO L158 Benchmark]: Toolchain (without parser) took 3006.08ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 76.9MB in the end (delta: 12.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-24 18:05:36,942 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:36,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1694.50ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.1MB in the end (delta: 22.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-24 18:05:36,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.30ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:36,943 INFO L158 Benchmark]: Boogie Preprocessor took 29.82ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:36,943 INFO L158 Benchmark]: RCFGBuilder took 501.98ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 45.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:05:36,944 INFO L158 Benchmark]: CodeCheck took 585.62ms. Allocated memory is still 117.4MB. Free memory was 45.0MB in the beginning and 82.1MB in the end (delta: -37.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:36,944 INFO L158 Benchmark]: Witness Printer took 132.34ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 76.9MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:05:36,946 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_18_bad() [L1550] int data; [L1551] 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)) 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] [L1557] 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] [L1559] 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 0.47ms. Allocated memory is still 117.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1694.50ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.1MB in the end (delta: 22.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.30ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.82ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.98ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 45.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 585.62ms. Allocated memory is still 117.4MB. Free memory was 45.0MB in the beginning and 82.1MB in the end (delta: -37.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 132.34ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 76.9MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:05:36,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ecc963e-a65d-4342-960c-05e568b71374/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)