./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_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_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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 2248aeabe5be736adf4371a8cabf87839c83084d460e2eb57d2fafbdcc7f0a21 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:12:21,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:12:21,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:12:21,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:12:21,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:12:21,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:12:21,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:12:21,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:12:21,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:12:21,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:12:21,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:12:21,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:12:21,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:12:21,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:12:21,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:12:21,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:12:21,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:12:21,704 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:12:21,704 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:12:21,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:12:21,705 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:12:21,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:12:21,705 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:12:21,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:12:21,705 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:12:21,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:12:21,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:12:21,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:12:21,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:12:21,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:12:21,706 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:12:21,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:12:21,706 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_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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 -> 2248aeabe5be736adf4371a8cabf87839c83084d460e2eb57d2fafbdcc7f0a21 [2024-11-25 02:12:21,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:12:22,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:12:22,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:12:22,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:12:22,009 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:12:22,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i [2024-11-25 02:12:25,241 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data/5d7d4c7d8/c50947ed1fe34412a8603f59ab24d405/FLAGa67c6f694 [2024-11-25 02:12:25,790 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:12:25,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i [2024-11-25 02:12:25,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data/5d7d4c7d8/c50947ed1fe34412a8603f59ab24d405/FLAGa67c6f694 [2024-11-25 02:12:25,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data/5d7d4c7d8/c50947ed1fe34412a8603f59ab24d405 [2024-11-25 02:12:25,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:12:25,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:12:25,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:12:25,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:12:25,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:12:25,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:12:25" (1/1) ... [2024-11-25 02:12:25,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e17ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:25, skipping insertion in model container [2024-11-25 02:12:25,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:12:25" (1/1) ... [2024-11-25 02:12:25,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:12:27,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:12:27,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:12:27,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:12:27,369 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:12:27,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27 WrapperNode [2024-11-25 02:12:27,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:12:27,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:12:27,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:12:27,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:12:27,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,433 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2024-11-25 02:12:27,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:12:27,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:12:27,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:12:27,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:12:27,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,454 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:12:27,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:12:27,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:12:27,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:12:27,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:27" (1/1) ... [2024-11-25 02:12:27,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:12:27,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:12:27,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:12:27,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:12:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-25 02:12:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-25 02:12:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-25 02:12:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-25 02:12:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:12:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:12:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:12:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:12:27,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:12:27,725 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:12:27,727 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:12:27,999 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-25 02:12:27,999 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:12:28,312 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:12:28,312 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:12:28,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:28 BoogieIcfgContainer [2024-11-25 02:12:28,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:12:28,314 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:12:28,314 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:12:28,325 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:12:28,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:28" (1/1) ... [2024-11-25 02:12:28,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:12:28,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:12:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-11-25 02:12:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-11-25 02:12:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:12:28,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:12:28,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:12:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:28,800 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:12:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:29,102 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:12:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:29,173 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:12:29,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:12:29 ImpRootNode [2024-11-25 02:12:29,214 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:12:29,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:12:29,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:12:29,215 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:12:29,220 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:28" (3/4) ... [2024-11-25 02:12:29,222 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:12:29,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:12:29,228 INFO L158 Benchmark]: Toolchain (without parser) took 3364.37ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 56.4MB in the end (delta: 32.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-25 02:12:29,228 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:29,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1506.15ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 81.0MB in the end (delta: 7.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 02:12:29,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.13ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:12:29,229 INFO L158 Benchmark]: Boogie Preprocessor took 30.09ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:29,230 INFO L158 Benchmark]: RCFGBuilder took 847.32ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 34.6MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:12:29,231 INFO L158 Benchmark]: CodeCheck took 900.25ms. Allocated memory is still 117.4MB. Free memory was 34.6MB in the beginning and 56.4MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:29,232 INFO L158 Benchmark]: Witness Printer took 9.61ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:29,234 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 4 procedures, 32 locations, 4 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, 15 NumberOfCodeBlocks, 15 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 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_rand_postdec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [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 0.48ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1506.15ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 81.0MB in the end (delta: 7.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.13ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.09ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 847.32ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 34.6MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 900.25ms. Allocated memory is still 117.4MB. Free memory was 34.6MB in the beginning and 56.4MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.61ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:12:29,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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 2248aeabe5be736adf4371a8cabf87839c83084d460e2eb57d2fafbdcc7f0a21 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:12:32,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:12:32,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:12:32,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:12:32,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:12:32,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:12:32,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:12:32,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:12:32,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:12:32,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:12:32,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:12:32,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:12:32,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:12:32,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:12:32,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:12:32,610 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:12:32,610 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:12:32,610 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:12:32,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:12:32,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:12:32,611 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:12:32,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:12:32,611 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:12:32,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:12:32,612 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:12:32,612 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:12:32,612 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:12:32,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:12:32,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:12:32,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:12:32,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:12:32,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:12:32,613 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:12:32,613 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:12:32,613 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:12:32,613 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_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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 -> 2248aeabe5be736adf4371a8cabf87839c83084d460e2eb57d2fafbdcc7f0a21 [2024-11-25 02:12:33,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:12:33,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:12:33,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:12:33,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:12:33,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:12:33,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i [2024-11-25 02:12:36,192 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data/9b52f07e9/86ae748d22e64f9e880411f8313dd802/FLAG86ea3bd41 [2024-11-25 02:12:36,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:12:36,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_12_bad.i [2024-11-25 02:12:36,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data/9b52f07e9/86ae748d22e64f9e880411f8313dd802/FLAG86ea3bd41 [2024-11-25 02:12:37,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/data/9b52f07e9/86ae748d22e64f9e880411f8313dd802 [2024-11-25 02:12:37,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:12:37,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:12:37,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:12:37,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:12:37,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:12:37,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:12:37" (1/1) ... [2024-11-25 02:12:37,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77378f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:37, skipping insertion in model container [2024-11-25 02:12:37,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:12:37" (1/1) ... [2024-11-25 02:12:37,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:12:38,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:12:38,367 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:12:38,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:12:38,696 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:12:38,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38 WrapperNode [2024-11-25 02:12:38,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:12:38,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:12:38,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:12:38,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:12:38,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,764 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-25 02:12:38,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:12:38,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:12:38,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:12:38,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:12:38,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:12:38,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:12:38,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:12:38,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:12:38,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:38" (1/1) ... [2024-11-25 02:12:38,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:12:38,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:12:38,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:12:38,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:12:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-25 02:12:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-25 02:12:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-25 02:12:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-25 02:12:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:12:38,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:12:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:12:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:12:38,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:12:39,047 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:12:39,049 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:12:39,279 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-25 02:12:39,280 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:12:39,346 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:12:39,347 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:12:39,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:39 BoogieIcfgContainer [2024-11-25 02:12:39,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:12:39,348 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:12:39,348 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:12:39,370 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:12:39,370 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:39" (1/1) ... [2024-11-25 02:12:39,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:12:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:12:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2024-11-25 02:12:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-11-25 02:12:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:12:39,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:12:39,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:12:39,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:12:39,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:12:39,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:12:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:39,649 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:12:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:39,824 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:12:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:39,873 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:12:39,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:12:39,878 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:12:39,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:12:39 ImpRootNode [2024-11-25 02:12:39,913 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:12:39,916 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:12:39,916 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:12:39,917 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:12:39,918 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:39" (3/4) ... [2024-11-25 02:12:39,918 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:12:39,986 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-11-25 02:12:40,054 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:12:40,054 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:12:40,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:12:40,055 INFO L158 Benchmark]: Toolchain (without parser) took 2783.95ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 58.3MB in the beginning and 132.7MB in the end (delta: -74.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-25 02:12:40,056 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:40,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1424.24ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 53.1MB in the end (delta: 5.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-25 02:12:40,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.20ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 50.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:40,060 INFO L158 Benchmark]: Boogie Preprocessor took 31.30ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 48.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:40,061 INFO L158 Benchmark]: RCFGBuilder took 549.38ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 30.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:12:40,061 INFO L158 Benchmark]: CodeCheck took 565.55ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 30.3MB in the beginning and 138.0MB in the end (delta: -107.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:40,061 INFO L158 Benchmark]: Witness Printer took 138.88ms. Allocated memory is still 184.5MB. Free memory was 137.6MB in the beginning and 132.7MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:40,066 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 4 procedures, 31 locations, 4 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, 14 NumberOfCodeBlocks, 14 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); [L1585] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_rand_postdec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [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 0.39ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1424.24ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 53.1MB in the end (delta: 5.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.20ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 50.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.30ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 48.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 549.38ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 30.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 565.55ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 30.3MB in the beginning and 138.0MB in the end (delta: -107.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 138.88ms. Allocated memory is still 184.5MB. Free memory was 137.6MB in the beginning and 132.7MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:12:40,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afd9519-bb5b-41f1-9ef9-7589dd7b531f/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)