./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_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_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/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_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/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_16619fdd-943a-4b25-ad1a-77ababeea498/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 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:29:52,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:29:52,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:29:52,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:29:52,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:29:52,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:29:52,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:29:52,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:29:52,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:29:52,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:29:52,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:29:52,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:29:52,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:29:52,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:29:52,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:29:52,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:29:52,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:29:52,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:29:52,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:29:52,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:29:52,212 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:29:52,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:29:52,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:29:52,213 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:29:52,213 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:29:52,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:29:52,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:29:52,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:29:52,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:29:52,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:29:52,213 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:29:52,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:29:52,213 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_16619fdd-943a-4b25-ad1a-77ababeea498/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 -> 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 [2024-11-25 03:29:52,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:29:52,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:29:52,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:29:52,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:29:52,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:29:52,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-11-25 03:29:55,751 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data/d15362642/3ae8a48a69bc421cb4330c3a3df65b97/FLAGfb53dc1f4 [2024-11-25 03:29:56,174 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:29:56,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-11-25 03:29:56,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data/d15362642/3ae8a48a69bc421cb4330c3a3df65b97/FLAGfb53dc1f4 [2024-11-25 03:29:56,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data/d15362642/3ae8a48a69bc421cb4330c3a3df65b97 [2024-11-25 03:29:56,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:29:56,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:29:56,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:29:56,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:29:56,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:29:56,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:29:56" (1/1) ... [2024-11-25 03:29:56,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6078ba1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:56, skipping insertion in model container [2024-11-25 03:29:56,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:29:56" (1/1) ... [2024-11-25 03:29:56,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:29:57,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:29:57,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:29:57,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:29:57,687 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:29:57,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57 WrapperNode [2024-11-25 03:29:57,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:29:57,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:29:57,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:29:57,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:29:57,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,765 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2024-11-25 03:29:57,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:29:57,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:29:57,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:29:57,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:29:57,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,795 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:29:57,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:29:57,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:29:57,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:29:57,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:29:57" (1/1) ... [2024-11-25 03:29:57,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:29:57,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:29:57,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:29:57,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:29:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:29:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:29:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:29:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:29:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:29:58,113 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:29:58,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:29:58,339 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-25 03:29:58,339 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:29:58,602 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:29:58,603 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:29:58,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:29:58 BoogieIcfgContainer [2024-11-25 03:29:58,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:29:58,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:29:58,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:29:58,614 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:29:58,614 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:29:58" (1/1) ... [2024-11-25 03:29:58,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:29:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:29:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:29:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:29:58,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:58,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:29:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:29:58,906 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:29:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:29:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:29:59,289 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:29:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:29:59,354 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:29:59,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:29:59 ImpRootNode [2024-11-25 03:29:59,395 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:29:59,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:29:59,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:29:59,396 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:29:59,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:29:58" (3/4) ... [2024-11-25 03:29:59,400 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:29:59,401 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:29:59,402 INFO L158 Benchmark]: Toolchain (without parser) took 3181.23ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 100.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-25 03:29:59,402 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:59,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1467.17ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 53.3MB in the end (delta: 60.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-25 03:29:59,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.90ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 50.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:59,404 INFO L158 Benchmark]: Boogie Preprocessor took 47.51ms. Allocated memory is still 142.6MB. Free memory was 50.6MB in the beginning and 49.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:59,404 INFO L158 Benchmark]: RCFGBuilder took 788.11ms. Allocated memory is still 142.6MB. Free memory was 49.3MB in the beginning and 82.2MB in the end (delta: -32.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-25 03:29:59,404 INFO L158 Benchmark]: CodeCheck took 791.44ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 101.1MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:59,405 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 100.3MB in the end (delta: 767.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:29:59,407 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1564. 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 badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1467.17ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 53.3MB in the end (delta: 60.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.90ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 50.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.51ms. Allocated memory is still 142.6MB. Free memory was 50.6MB in the beginning and 49.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 788.11ms. Allocated memory is still 142.6MB. Free memory was 49.3MB in the beginning and 82.2MB in the end (delta: -32.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 791.44ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 101.1MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 100.3MB in the end (delta: 767.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:29:59,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/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_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/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_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/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_16619fdd-943a-4b25-ad1a-77ababeea498/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 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:30:02,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:30:02,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:30:02,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:30:02,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:30:02,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:30:02,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:30:02,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:30:02,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:30:02,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:30:02,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:30:02,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:30:02,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:30:02,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:30:02,425 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:30:02,425 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:30:02,426 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:30:02,426 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:30:02,427 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:30:02,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:30:02,428 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:30:02,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:30:02,428 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:30:02,428 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:30:02,428 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:30:02,428 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:02,428 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:30:02,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:30:02,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:02,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:30:02,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:30:02,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:30:02,429 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:30:02,429 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:02,429 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:30:02,429 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_16619fdd-943a-4b25-ad1a-77ababeea498/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 -> 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 [2024-11-25 03:30:02,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:30:02,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:30:02,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:30:02,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:30:02,775 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:30:02,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-11-25 03:30:05,917 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data/537c97039/e431c3d09a48459891f41d7356122955/FLAG9d13b3bea [2024-11-25 03:30:06,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:30:06,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-11-25 03:30:06,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data/537c97039/e431c3d09a48459891f41d7356122955/FLAG9d13b3bea [2024-11-25 03:30:06,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/data/537c97039/e431c3d09a48459891f41d7356122955 [2024-11-25 03:30:06,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:30:06,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:30:06,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:06,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:30:06,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:30:06,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:06" (1/1) ... [2024-11-25 03:30:06,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38686882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:06, skipping insertion in model container [2024-11-25 03:30:06,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:06" (1/1) ... [2024-11-25 03:30:06,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:30:07,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:07,582 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:30:07,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:07,883 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:30:07,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07 WrapperNode [2024-11-25 03:30:07,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:07,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:07,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:30:07,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:30:07,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,941 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-25 03:30:07,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:07,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:30:07,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:30:07,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:30:07,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,959 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:30:07,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:30:07,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:30:07,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:30:07,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:07" (1/1) ... [2024-11-25 03:30:07,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:08,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:30:08,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:30:08,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:30:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:30:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:30:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:30:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:30:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:30:08,254 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:30:08,257 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:30:08,439 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-25 03:30:08,439 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:30:08,565 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:30:08,566 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:30:08,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:08 BoogieIcfgContainer [2024-11-25 03:30:08,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:30:08,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:30:08,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:30:08,581 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:30:08,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:08" (1/1) ... [2024-11-25 03:30:08,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:30:08,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:30:08,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:30:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:30:08,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:08,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:08,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:08,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:08,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:30:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:08,875 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:09,031 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:09,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:30:09,097 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:30:09,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:30:09 ImpRootNode [2024-11-25 03:30:09,135 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:30:09,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:30:09,136 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:30:09,136 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:30:09,138 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:08" (3/4) ... [2024-11-25 03:30:09,138 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:30:09,201 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 03:30:09,258 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:30:09,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:30:09,259 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:30:09,262 INFO L158 Benchmark]: Toolchain (without parser) took 2721.56ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 58.1MB in the beginning and 96.0MB in the end (delta: -38.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,262 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:09,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1344.26ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 57.8MB in the beginning and 138.1MB in the end (delta: -80.2MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.71ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 135.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:09,263 INFO L158 Benchmark]: Boogie Preprocessor took 33.17ms. Allocated memory is still 167.8MB. Free memory was 135.6MB in the beginning and 133.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:09,263 INFO L158 Benchmark]: RCFGBuilder took 590.37ms. Allocated memory is still 167.8MB. Free memory was 133.6MB in the beginning and 115.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,264 INFO L158 Benchmark]: CodeCheck took 565.07ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 100.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,264 INFO L158 Benchmark]: Witness Printer took 123.57ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 96.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:30:09,268 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: 1554]: 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 badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1344.26ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 57.8MB in the beginning and 138.1MB in the end (delta: -80.2MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.71ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 135.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.17ms. Allocated memory is still 167.8MB. Free memory was 135.6MB in the beginning and 133.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 590.37ms. Allocated memory is still 167.8MB. Free memory was 133.6MB in the beginning and 115.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 565.07ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 100.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 123.57ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 96.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:30:09,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16619fdd-943a-4b25-ad1a-77ababeea498/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)