./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_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_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/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_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/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_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/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 e51c4ccc95a2d04b52d1acfdfdda8f55ad40e28b2c7b56ab8a4fa48b2695fb68 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:07:14,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:07:14,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:07:14,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:07:14,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:07:14,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:07:14,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:07:14,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:07:14,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:07:14,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:07:14,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:07:14,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:07:14,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:07:14,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:07:14,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:07:14,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:07:14,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:07:14,350 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:07:14,350 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:07:14,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:07:14,351 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:07:14,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:07:14,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:07:14,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:07:14,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:07:14,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:07:14,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:07:14,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:07:14,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:07:14,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:07:14,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:07:14,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:07:14,353 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_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/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 -> e51c4ccc95a2d04b52d1acfdfdda8f55ad40e28b2c7b56ab8a4fa48b2695fb68 [2024-11-25 05:07:14,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:07:14,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:07:14,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:07:14,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:07:14,643 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:07:14,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2024-11-25 05:07:17,752 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data/d53c99b70/350941363f3844f989a72c014c07f430/FLAG2fefcb984 [2024-11-25 05:07:18,173 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:07:18,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2024-11-25 05:07:18,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data/d53c99b70/350941363f3844f989a72c014c07f430/FLAG2fefcb984 [2024-11-25 05:07:18,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data/d53c99b70/350941363f3844f989a72c014c07f430 [2024-11-25 05:07:18,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:07:18,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:07:18,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:07:18,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:07:18,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:07:18,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:07:18" (1/1) ... [2024-11-25 05:07:18,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b54fe44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:18, skipping insertion in model container [2024-11-25 05:07:18,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:07:18" (1/1) ... [2024-11-25 05:07:18,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:07:19,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:07:19,251 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:07:19,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:07:19,551 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:07:19,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19 WrapperNode [2024-11-25 05:07:19,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:07:19,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:07:19,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:07:19,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:07:19,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,635 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-25 05:07:19,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:07:19,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:07:19,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:07:19,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:07:19,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:07:19,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:07:19,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:07:19,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:07:19,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:19" (1/1) ... [2024-11-25 05:07:19,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:07:19,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:07:19,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:07:19,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:07:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:07:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:07:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:07:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:07:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:07:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:07:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:07:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:07:19,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:07:19,947 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:07:19,950 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:07:20,176 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-25 05:07:20,176 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:07:20,401 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:07:20,401 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:07:20,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:20 BoogieIcfgContainer [2024-11-25 05:07:20,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:07:20,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:07:20,403 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:07:20,413 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:07:20,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:20" (1/1) ... [2024-11-25 05:07:20,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:07:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 05:07:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 05:07:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:07:20,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:20,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:07:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:20,933 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:07:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:21,184 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:07:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:21,250 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:07:21,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:07:21 ImpRootNode [2024-11-25 05:07:21,289 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:07:21,289 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:07:21,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:07:21,290 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:07:21,290 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:20" (3/4) ... [2024-11-25 05:07:21,296 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:07:21,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:07:21,298 INFO L158 Benchmark]: Toolchain (without parser) took 3064.16ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 42.8MB in the end (delta: 46.6MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-11-25 05:07:21,298 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:21,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1316.21ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 80.0MB in the end (delta: 9.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-25 05:07:21,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.58ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:21,299 INFO L158 Benchmark]: Boogie Preprocessor took 46.01ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:21,302 INFO L158 Benchmark]: RCFGBuilder took 718.19ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 39.0MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:07:21,302 INFO L158 Benchmark]: CodeCheck took 886.25ms. Allocated memory is still 117.4MB. Free memory was 39.0MB in the beginning and 42.9MB in the end (delta: -3.9MB). Peak memory consumption was 908.4kB. Max. memory is 16.1GB. [2024-11-25 05:07:21,303 INFO L158 Benchmark]: Witness Printer took 7.52ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:21,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1558. 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); [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_predec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_predec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1316.21ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 80.0MB in the end (delta: 9.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.58ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.01ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 718.19ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 39.0MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 886.25ms. Allocated memory is still 117.4MB. Free memory was 39.0MB in the beginning and 42.9MB in the end (delta: -3.9MB). Peak memory consumption was 908.4kB. Max. memory is 16.1GB. * Witness Printer took 7.52ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 42.8MB 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 05:07:21,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/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_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/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_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/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 e51c4ccc95a2d04b52d1acfdfdda8f55ad40e28b2c7b56ab8a4fa48b2695fb68 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:07:24,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:07:24,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 05:07:24,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:07:24,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:07:24,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:07:24,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:07:24,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:07:24,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:07:24,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:07:24,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:07:24,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:07:24,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:07:24,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:07:24,303 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:07:24,303 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:07:24,303 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:07:24,303 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:07:24,303 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:07:24,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:07:24,303 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:07:24,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:07:24,303 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:07:24,303 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:07:24,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:07:24,306 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:24,306 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:07:24,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:07:24,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:07:24,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:07:24,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:07:24,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:07:24,311 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:07:24,311 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:24,311 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:07:24,311 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_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/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 -> e51c4ccc95a2d04b52d1acfdfdda8f55ad40e28b2c7b56ab8a4fa48b2695fb68 [2024-11-25 05:07:24,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:07:24,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:07:24,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:07:24,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:07:24,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:07:24,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2024-11-25 05:07:27,664 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data/c14665e79/e84f12ba75a54055890192de254b1926/FLAG7f3916898 [2024-11-25 05:07:28,139 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:07:28,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_34_bad.i [2024-11-25 05:07:28,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data/c14665e79/e84f12ba75a54055890192de254b1926/FLAG7f3916898 [2024-11-25 05:07:28,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/data/c14665e79/e84f12ba75a54055890192de254b1926 [2024-11-25 05:07:28,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:07:28,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:07:28,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:07:28,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:07:28,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:07:28,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:07:28" (1/1) ... [2024-11-25 05:07:28,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270f489a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:28, skipping insertion in model container [2024-11-25 05:07:28,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:07:28" (1/1) ... [2024-11-25 05:07:28,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:07:29,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:07:29,424 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:07:29,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:07:29,686 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:07:29,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29 WrapperNode [2024-11-25 05:07:29,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:07:29,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:07:29,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:07:29,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:07:29,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,739 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-25 05:07:29,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:07:29,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:07:29,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:07:29,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:07:29,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,761 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:07:29,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:07:29,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:07:29,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:07:29,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:29" (1/1) ... [2024-11-25 05:07:29,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:07:29,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:07:29,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:07:29,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:07:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:07:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:07:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:07:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:07:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:07:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:07:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 05:07:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:07:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 05:07:30,008 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:07:30,011 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:07:30,200 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-25 05:07:30,200 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:07:30,290 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:07:30,291 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:07:30,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:30 BoogieIcfgContainer [2024-11-25 05:07:30,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:07:30,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:07:30,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:07:30,309 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:07:30,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:30" (1/1) ... [2024-11-25 05:07:30,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:07:30,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 05:07:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 05:07:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:07:30,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:07:30,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:07:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:07:30,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:07:30,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:07:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:30,613 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:07:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:30,866 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:07:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:07:30,932 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:07:30,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:07:30,937 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:07:30,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:07:30 ImpRootNode [2024-11-25 05:07:30,983 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:07:30,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:07:30,987 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:07:30,987 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:07:30,988 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:30" (3/4) ... [2024-11-25 05:07:30,990 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 05:07:31,046 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 05:07:31,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:07:31,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:07:31,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:07:31,101 INFO L158 Benchmark]: Toolchain (without parser) took 2890.15ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.3MB in the beginning and 193.7MB in the end (delta: -104.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-25 05:07:31,101 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:31,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1475.91ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 69.4MB in the end (delta: 19.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 05:07:31,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.25ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 66.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:31,102 INFO L158 Benchmark]: Boogie Preprocessor took 30.23ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 65.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:31,103 INFO L158 Benchmark]: RCFGBuilder took 520.50ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 46.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:07:31,103 INFO L158 Benchmark]: CodeCheck took 692.32ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 46.8MB in the beginning and 198.3MB in the end (delta: -151.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:31,103 INFO L158 Benchmark]: Witness Printer took 111.12ms. Allocated memory is still 234.9MB. Free memory was 198.3MB in the beginning and 193.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:07:31,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1563]: 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); [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_rand_predec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_predec_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1475.91ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 69.4MB in the end (delta: 19.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.25ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 66.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.23ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 65.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.50ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 46.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 692.32ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 46.8MB in the beginning and 198.3MB in the end (delta: -151.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.12ms. Allocated memory is still 234.9MB. Free memory was 198.3MB in the beginning and 193.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 05:07:31,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c062f8e9-7435-4984-a5ae-aae6d85e3b0a/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)