./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/nec20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/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_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/nec20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0c1b7bb29025bb3cfe44532e03db36f6e9424224df9a32b2b480eba846c2cfe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:42,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:42,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:57:42,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:42,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:42,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:42,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:42,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:42,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:42,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:42,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:42,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:42,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:57:42,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:42,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:57:42,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:42,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:42,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:42,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:42,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:57:42,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:42,462 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:42,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:42,462 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:42,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:42,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:42,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:42,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:42,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:42,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:42,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:42,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:42,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:42,463 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_0e5980e7-1983-4f08-8db1-ca10a9fa2918/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 ! call(reach_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0c1b7bb29025bb3cfe44532e03db36f6e9424224df9a32b2b480eba846c2cfe [2024-11-25 01:57:42,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:42,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:42,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:42,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:42,760 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:42,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loops/nec20.c [2024-11-25 01:57:45,735 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/data/c2a260f69/6183bc544d634eca8b959aa31bb7127c/FLAG7ee65a3a2 [2024-11-25 01:57:46,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:46,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/sv-benchmarks/c/loops/nec20.c [2024-11-25 01:57:46,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/data/c2a260f69/6183bc544d634eca8b959aa31bb7127c/FLAG7ee65a3a2 [2024-11-25 01:57:46,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/data/c2a260f69/6183bc544d634eca8b959aa31bb7127c [2024-11-25 01:57:46,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:46,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:46,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:46,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:46,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:46,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6bd8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46, skipping insertion in model container [2024-11-25 01:57:46,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:46,241 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/sv-benchmarks/c/loops/nec20.c[356,369] [2024-11-25 01:57:46,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:46,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:46,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/sv-benchmarks/c/loops/nec20.c[356,369] [2024-11-25 01:57:46,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:46,328 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:46,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46 WrapperNode [2024-11-25 01:57:46,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:46,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:46,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:46,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:46,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,372 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-11-25 01:57:46,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:46,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:46,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:46,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:46,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,387 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:46,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:46,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:46,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:46,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:46,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:46,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:46,535 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:46,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:46,688 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:46,689 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:46,779 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:46,779 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 01:57:46,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:46 BoogieIcfgContainer [2024-11-25 01:57:46,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:46,781 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:46,781 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:46,791 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:46,791 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 01:57:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 01:57:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 01:57:46,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:46,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-25 01:57:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-25 01:57:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:57:47,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:47,583 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:47,716 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:47,743 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 01:57:47,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:57:47 ImpRootNode [2024-11-25 01:57:47,777 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:57:47,778 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:57:47,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:57:47,779 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:57:47,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:46" (3/4) ... [2024-11-25 01:57:47,784 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 01:57:47,843 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 01:57:47,902 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 01:57:47,902 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 01:57:47,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:57:47,905 INFO L158 Benchmark]: Toolchain (without parser) took 1839.63ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 36.2MB in the end (delta: 68.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-25 01:57:47,905 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:47,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.58ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 93.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:47,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.40ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:47,906 INFO L158 Benchmark]: Boogie Preprocessor took 28.39ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 91.1MB in the end (delta: 683.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:47,910 INFO L158 Benchmark]: RCFGBuilder took 376.03ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 77.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:57:47,910 INFO L158 Benchmark]: CodeCheck took 996.77ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 40.7MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 01:57:47,911 INFO L158 Benchmark]: Witness Printer took 124.09ms. Allocated memory is still 142.6MB. Free memory was 40.7MB in the beginning and 36.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:47,913 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 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L12] int b; [L15] _Bool k=__VERIFIER_nondet_bool(); [L16] unsigned int i,n,j; [L17] int a[1025]; [L19] COND TRUE \read(k) [L20] n=0 [L25] i=0 [L26] j=__VERIFIER_nondet_uint() [L27] COND FALSE !(j > 10000) VAL [b=0, i=0, j=1023, n=0] [L30] COND TRUE i <= n [L31] i++ [L32] j= j +2 VAL [b=0, i=1, j=1025, n=0] [L30] COND FALSE !(i <= n) [L35] a[i]=0 [L36] CALL __VERIFIER_assert(j<1025) [L7] COND TRUE !(cond) VAL [b=0] [L8] reach_error() VAL [b=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.58ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 93.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.40ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.39ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 91.1MB in the end (delta: 683.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.03ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 77.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 996.77ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 40.7MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 124.09ms. Allocated memory is still 142.6MB. Free memory was 40.7MB in the beginning and 36.2MB 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 01:57:47,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5980e7-1983-4f08-8db1-ca10a9fa2918/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