./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_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_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/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_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/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_2d1df30f-54d8-4235-9273-941326fddcc4/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 29d27c23ce777812d81960b8253e5e294bd67f0ff0c40e7f236235cb41a953b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:14:13,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:14:13,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:14:13,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:14:13,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:14:13,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:14:13,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:14:13,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:14:13,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:14:13,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:14:13,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:14:13,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:14:13,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:14:13,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:14:13,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:14:13,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:14:13,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:14:13,942 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:14:13,943 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:14:13,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:14:13,943 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:14:13,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:14:13,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:14:13,943 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:14:13,943 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:14:13,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:14:13,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:14:13,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:14:13,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:14:13,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:14:13,944 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:14:13,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:14:13,944 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_2d1df30f-54d8-4235-9273-941326fddcc4/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 -> 29d27c23ce777812d81960b8253e5e294bd67f0ff0c40e7f236235cb41a953b6 [2024-11-25 02:14:14,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:14:14,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:14:14,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:14:14,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:14:14,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:14:14,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i [2024-11-25 02:14:17,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data/60fe5e207/f4f8ca233eef4214823260b911bae755/FLAG0ba9b1493 [2024-11-25 02:14:17,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:14:17,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i [2024-11-25 02:14:17,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data/60fe5e207/f4f8ca233eef4214823260b911bae755/FLAG0ba9b1493 [2024-11-25 02:14:17,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data/60fe5e207/f4f8ca233eef4214823260b911bae755 [2024-11-25 02:14:17,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:14:17,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:14:17,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:14:17,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:14:17,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:14:17,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:14:17" (1/1) ... [2024-11-25 02:14:17,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6b5901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:17, skipping insertion in model container [2024-11-25 02:14:17,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:14:17" (1/1) ... [2024-11-25 02:14:17,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:14:18,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:14:18,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:14:18,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:14:18,885 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:14:18,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18 WrapperNode [2024-11-25 02:14:18,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:14:18,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:14:18,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:14:18,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:14:18,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,941 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2024-11-25 02:14:18,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:14:18,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:14:18,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:14:18,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:14:18,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,967 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:14:18,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:14:18,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:14:18,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:14:18,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:18" (1/1) ... [2024-11-25 02:14:18,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:14:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:14:19,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:14:19,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:14:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:14:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:14:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:14:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:14:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:14:19,180 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:14:19,182 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:14:19,476 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-25 02:14:19,476 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:14:19,719 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:14:19,720 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:14:19,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:14:19 BoogieIcfgContainer [2024-11-25 02:14:19,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:14:19,721 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:14:19,721 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:14:19,736 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:14:19,736 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:14:19" (1/1) ... [2024-11-25 02:14:19,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:14:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:19,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:14:19,812 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:14:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:14:19,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:19,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:14:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:14:20,172 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:14:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:14:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:14:20,370 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:14:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:14:20,416 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:14:20,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:14:20 ImpRootNode [2024-11-25 02:14:20,450 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:14:20,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:14:20,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:14:20,451 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:14:20,454 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:14:19" (3/4) ... [2024-11-25 02:14:20,456 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:14:20,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:14:20,461 INFO L158 Benchmark]: Toolchain (without parser) took 2743.02ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 60.4MB in the end (delta: 29.3MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-25 02:14:20,462 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:20,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1166.77ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.1MB in the end (delta: 8.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 02:14:20,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.75ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:14:20,463 INFO L158 Benchmark]: Boogie Preprocessor took 32.01ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:20,465 INFO L158 Benchmark]: RCFGBuilder took 743.42ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 40.6MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:14:20,466 INFO L158 Benchmark]: CodeCheck took 729.31ms. Allocated memory is still 117.4MB. Free memory was 40.6MB in the beginning and 60.4MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:20,467 INFO L158 Benchmark]: Witness Printer took 9.61ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:20,469 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1559] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1559] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1559] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1559] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1559] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1166.77ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.1MB in the end (delta: 8.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.75ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.01ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 743.42ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 40.6MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 729.31ms. Allocated memory is still 117.4MB. Free memory was 40.6MB in the beginning and 60.4MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.61ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 60.4MB 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 [2024-11-25 02:14:20,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/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_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/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_2d1df30f-54d8-4235-9273-941326fddcc4/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 29d27c23ce777812d81960b8253e5e294bd67f0ff0c40e7f236235cb41a953b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:14:23,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:14:23,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:14:23,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:14:23,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:14:23,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:14:23,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:14:23,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:14:23,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:14:23,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:14:23,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:14:23,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:14:23,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:14:23,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:14:23,375 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:14:23,375 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:14:23,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:14:23,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:14:23,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:14:23,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:14:23,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:14:23,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:14:23,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:14:23,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:14:23,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:14:23,377 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:23,377 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:14:23,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:14:23,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:14:23,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:14:23,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:14:23,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:14:23,378 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:14:23,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:23,378 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:14:23,378 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_2d1df30f-54d8-4235-9273-941326fddcc4/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 -> 29d27c23ce777812d81960b8253e5e294bd67f0ff0c40e7f236235cb41a953b6 [2024-11-25 02:14:23,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:14:23,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:14:23,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:14:23,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:14:23,738 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:14:23,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i [2024-11-25 02:14:26,834 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data/77d3119c6/c4c6c5f331d74721959cc1872d0d9b37/FLAGff080633e [2024-11-25 02:14:27,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:14:27,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_bad.i [2024-11-25 02:14:27,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data/77d3119c6/c4c6c5f331d74721959cc1872d0d9b37/FLAGff080633e [2024-11-25 02:14:27,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/data/77d3119c6/c4c6c5f331d74721959cc1872d0d9b37 [2024-11-25 02:14:27,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:14:27,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:14:27,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:14:27,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:14:27,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:14:27,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:14:27" (1/1) ... [2024-11-25 02:14:27,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d86fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:27, skipping insertion in model container [2024-11-25 02:14:27,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:14:27" (1/1) ... [2024-11-25 02:14:27,430 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:14:28,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:14:28,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:14:28,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:14:28,630 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:14:28,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28 WrapperNode [2024-11-25 02:14:28,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:14:28,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:14:28,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:14:28,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:14:28,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,688 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2024-11-25 02:14:28,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:14:28,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:14:28,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:14:28,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:14:28,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,711 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:14:28,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:14:28,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:14:28,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:14:28,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:14:28" (1/1) ... [2024-11-25 02:14:28,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:14:28,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:14:28,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:14:28,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:14:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:14:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:14:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:14:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:14:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:14:28,940 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:14:28,942 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:14:29,101 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-25 02:14:29,101 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:14:29,193 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:14:29,195 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:14:29,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:14:29 BoogieIcfgContainer [2024-11-25 02:14:29,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:14:29,197 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:14:29,198 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:14:29,212 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:14:29,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:14:29" (1/1) ... [2024-11-25 02:14:29,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:14:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:29,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:14:29,276 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:14:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:14:29,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:29,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:29,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:29,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:29,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:14:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:14:29,488 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:14:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:14:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:14:29,630 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:14:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:14:29,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:14:29,681 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:14:29,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:14:29 ImpRootNode [2024-11-25 02:14:29,715 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:14:29,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:14:29,716 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:14:29,717 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:14:29,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:14:29" (3/4) ... [2024-11-25 02:14:29,719 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:14:29,770 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 02:14:29,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:14:29,826 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:14:29,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:14:29,828 INFO L158 Benchmark]: Toolchain (without parser) took 2467.04ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 76.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-25 02:14:29,829 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:29,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1270.39ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 77.5MB in the end (delta: 12.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 02:14:29,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.22ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:29,830 INFO L158 Benchmark]: Boogie Preprocessor took 30.48ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:29,831 INFO L158 Benchmark]: RCFGBuilder took 475.64ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 56.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:14:29,831 INFO L158 Benchmark]: CodeCheck took 518.26ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 80.8MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:29,832 INFO L158 Benchmark]: Witness Printer took 110.15ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 76.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:14:29,834 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1551]: 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1559] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1559] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1559] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1270.39ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 77.5MB in the end (delta: 12.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.22ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.48ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 475.64ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 56.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 518.26ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 80.8MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 110.15ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 76.0MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:14:29,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1df30f-54d8-4235-9273-941326fddcc4/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)