./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_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_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/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_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/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_5859815e-d918-4fec-9adf-45e29db1c68f/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 ce5762cc9246f1ac6fc3954541dad7dc4d074fedd58b1df7ab6ae71a6fb561c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:38:34,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:38:34,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:38:34,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:38:34,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:38:34,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:38:34,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:38:34,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:38:34,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:38:34,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:38:34,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:38:34,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:38:34,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:38:34,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:38:34,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:38:34,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:38:34,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:38:34,115 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:38:34,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:38:34,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:38:34,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:38:34,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:38:34,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:38:34,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:38:34,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:38:34,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:38:34,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:38:34,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:38:34,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:38:34,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:38:34,117 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:38:34,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:38:34,117 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_5859815e-d918-4fec-9adf-45e29db1c68f/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 -> ce5762cc9246f1ac6fc3954541dad7dc4d074fedd58b1df7ab6ae71a6fb561c6 [2024-11-25 04:38:34,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:38:34,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:38:34,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:38:34,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:38:34,474 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:38:34,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i [2024-11-25 04:38:37,404 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data/fce1adb53/73604c0b0a294e39b32d7bbdd4b6ad9e/FLAG0bd0cc81d [2024-11-25 04:38:37,865 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:38:37,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i [2024-11-25 04:38:37,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data/fce1adb53/73604c0b0a294e39b32d7bbdd4b6ad9e/FLAG0bd0cc81d [2024-11-25 04:38:37,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data/fce1adb53/73604c0b0a294e39b32d7bbdd4b6ad9e [2024-11-25 04:38:37,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:38:37,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:38:37,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:38:37,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:38:37,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:38:37,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:38:37" (1/1) ... [2024-11-25 04:38:37,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55814b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:37, skipping insertion in model container [2024-11-25 04:38:37,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:38:37" (1/1) ... [2024-11-25 04:38:37,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:38:38,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:38:38,940 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:38:39,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:38:39,204 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:38:39,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39 WrapperNode [2024-11-25 04:38:39,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:38:39,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:38:39,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:38:39,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:38:39,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,257 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-25 04:38:39,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:38:39,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:38:39,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:38:39,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:38:39,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,273 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:38:39,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:38:39,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:38:39,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:38:39,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:39" (1/1) ... [2024-11-25 04:38:39,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:38:39,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:38:39,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:38:39,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:38:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:38:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:38:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:38:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:38:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:38:39,507 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:38:39,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:38:39,711 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 04:38:39,711 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:38:40,073 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:38:40,073 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:38:40,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:38:40 BoogieIcfgContainer [2024-11-25 04:38:40,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:38:40,075 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:38:40,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:38:40,085 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:38:40,086 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:38:40" (1/1) ... [2024-11-25 04:38:40,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:38:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:38:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:38:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:38:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:38:40,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:38:40,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:38:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:40,465 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:38:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:40,682 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:38:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:40,754 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:38:40,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:38:40 ImpRootNode [2024-11-25 04:38:40,791 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:38:40,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:38:40,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:38:40,791 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:38:40,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:38:40" (3/4) ... [2024-11-25 04:38:40,798 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:38:40,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:38:40,799 INFO L158 Benchmark]: Toolchain (without parser) took 2887.38ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 61.2MB in the end (delta: 28.8MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-25 04:38:40,802 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:40,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1290.77ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 82.2MB in the end (delta: 7.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 04:38:40,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.35ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 79.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:38:40,804 INFO L158 Benchmark]: Boogie Preprocessor took 23.33ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:40,804 INFO L158 Benchmark]: RCFGBuilder took 789.54ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 37.0MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:38:40,804 INFO L158 Benchmark]: CodeCheck took 715.60ms. Allocated memory is still 117.4MB. Free memory was 37.0MB in the beginning and 61.2MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:40,805 INFO L158 Benchmark]: Witness Printer took 7.45ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 61.2MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:40,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. 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); [L1548] static int staticFive = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 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, staticFive=5] [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1290.77ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 82.2MB in the end (delta: 7.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.35ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 79.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.33ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 789.54ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 37.0MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 715.60ms. Allocated memory is still 117.4MB. Free memory was 37.0MB in the beginning and 61.2MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.45ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 61.2MB 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 04:38:40,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/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_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/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_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/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_5859815e-d918-4fec-9adf-45e29db1c68f/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 ce5762cc9246f1ac6fc3954541dad7dc4d074fedd58b1df7ab6ae71a6fb561c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:38:43,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:38:43,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:38:43,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:38:43,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:38:43,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:38:43,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:38:43,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:38:43,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:38:43,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:38:43,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:38:43,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:38:43,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:38:43,768 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:38:43,768 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:38:43,769 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:38:43,769 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:43,769 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:38:43,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:38:43,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:38:43,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:38:43,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:38:43,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:38:43,769 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:38:43,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:43,770 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:38:43,770 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_5859815e-d918-4fec-9adf-45e29db1c68f/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 -> ce5762cc9246f1ac6fc3954541dad7dc4d074fedd58b1df7ab6ae71a6fb561c6 [2024-11-25 04:38:44,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:38:44,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:38:44,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:38:44,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:38:44,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:38:44,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i [2024-11-25 04:38:47,111 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data/b7e1023bc/22cff966c5584569a56fc54312680f6a/FLAGb18a60c0f [2024-11-25 04:38:47,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:38:47,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i [2024-11-25 04:38:47,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data/b7e1023bc/22cff966c5584569a56fc54312680f6a/FLAGb18a60c0f [2024-11-25 04:38:47,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/data/b7e1023bc/22cff966c5584569a56fc54312680f6a [2024-11-25 04:38:47,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:38:47,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:38:47,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:38:47,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:38:47,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:38:47,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:38:47" (1/1) ... [2024-11-25 04:38:47,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f93b61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:47, skipping insertion in model container [2024-11-25 04:38:47,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:38:47" (1/1) ... [2024-11-25 04:38:47,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:38:48,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:38:48,676 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:38:48,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:38:48,955 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:38:48,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48 WrapperNode [2024-11-25 04:38:48,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:38:48,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:38:48,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:38:48,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:38:48,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,033 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-25 04:38:49,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:38:49,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:38:49,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:38:49,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:38:49,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:38:49,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:38:49,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:38:49,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:38:49,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:38:48" (1/1) ... [2024-11-25 04:38:49,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:38:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:38:49,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:38:49,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:38:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:38:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:38:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:38:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:38:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:38:49,354 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:38:49,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:38:49,549 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:38:49,550 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:38:49,668 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:38:49,669 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:38:49,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:38:49 BoogieIcfgContainer [2024-11-25 04:38:49,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:38:49,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:38:49,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:38:49,682 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:38:49,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:38:49" (1/1) ... [2024-11-25 04:38:49,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:38:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:38:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 04:38:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 04:38:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:38:49,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:38:49,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:38:49,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:38:49,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:38:49,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:38:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:49,997 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:38:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:50,124 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:38:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:38:50,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:38:50,185 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:38:50,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:38:50 ImpRootNode [2024-11-25 04:38:50,224 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:38:50,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:38:50,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:38:50,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:38:50,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:38:49" (3/4) ... [2024-11-25 04:38:50,227 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:38:50,280 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 04:38:50,327 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:38:50,329 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:38:50,329 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:38:50,333 INFO L158 Benchmark]: Toolchain (without parser) took 2667.95ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 57.5MB in the beginning and 55.5MB in the end (delta: 2.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-25 04:38:50,334 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 107.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:50,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1292.81ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 35.6MB in the end (delta: 21.7MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-25 04:38:50,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.07ms. Allocated memory is still 83.9MB. Free memory was 35.6MB in the beginning and 32.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:50,334 INFO L158 Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 31.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:38:50,335 INFO L158 Benchmark]: RCFGBuilder took 610.73ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 31.3MB in the beginning and 74.3MB in the end (delta: -43.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-25 04:38:50,335 INFO L158 Benchmark]: CodeCheck took 552.86ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 60.3MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:38:50,335 INFO L158 Benchmark]: Witness Printer took 104.66ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 55.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:38:50,337 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: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticFive = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 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, staticFive=5] [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 107.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1292.81ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 35.6MB in the end (delta: 21.7MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.07ms. Allocated memory is still 83.9MB. Free memory was 35.6MB in the beginning and 32.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.38ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 31.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 610.73ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 31.3MB in the beginning and 74.3MB in the end (delta: -43.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * CodeCheck took 552.86ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 60.3MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 104.66ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 55.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:38:50,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5859815e-d918-4fec-9adf-45e29db1c68f/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)