./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9 --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 ea326fa3b3c9fd831a506f8385a58b98f853e8c897ae4643e624e28b471a415c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:30:03,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:30:03,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:30:03,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:30:03,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:30:03,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:30:03,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:30:03,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:30:03,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:30:03,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:30:03,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:30:03,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:30:03,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:30:03,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:30:03,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:30:03,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:30:03,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:30:03,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:30:03,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:30:03,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:30:03,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:30:03,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:30:03,709 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:30:03,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:30:03,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:30:03,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:30:03,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:30:03,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:30:03,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:30:03,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:30:03,712 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:30:03,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:30:03,713 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:30:03,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea326fa3b3c9fd831a506f8385a58b98f853e8c897ae4643e624e28b471a415c [2023-12-03 00:30:03,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:30:03,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:30:03,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:30:03,934 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:30:03,934 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:30:03,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-regression/nested_structure-2.i [2023-12-03 00:30:06,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:30:06,800 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:30:06,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/sv-benchmarks/c/ldv-regression/nested_structure-2.i [2023-12-03 00:30:06,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/data/9ec801645/8e28a7db135c413e86796ad9c5049ff1/FLAGa137d5cba [2023-12-03 00:30:06,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/data/9ec801645/8e28a7db135c413e86796ad9c5049ff1 [2023-12-03 00:30:06,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:30:06,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:30:06,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:30:06,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:30:06,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:30:06,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:06" (1/1) ... [2023-12-03 00:30:06,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d68d96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:06, skipping insertion in model container [2023-12-03 00:30:06,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:06" (1/1) ... [2023-12-03 00:30:06,844 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:30:06,962 WARN L240 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_6754b81e-4ced-46f6-9781-7008d47789a7/sv-benchmarks/c/ldv-regression/nested_structure-2.i[818,831] [2023-12-03 00:30:06,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:30:06,984 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:30:06,994 WARN L240 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_6754b81e-4ced-46f6-9781-7008d47789a7/sv-benchmarks/c/ldv-regression/nested_structure-2.i[818,831] [2023-12-03 00:30:07,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:30:07,019 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:30:07,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07 WrapperNode [2023-12-03 00:30:07,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:30:07,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:30:07,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:30:07,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:30:07,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,055 INFO L138 Inliner]: procedures = 18, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-12-03 00:30:07,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:30:07,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:30:07,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:30:07,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:30:07,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:30:07,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:30:07,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:30:07,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:30:07,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:30:07,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:30:07,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:30:07,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:30:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:30:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:30:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:30:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:30:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:30:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:30:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:30:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:30:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:30:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:30:07,226 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:30:07,227 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:30:07,326 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:30:07,358 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:30:07,359 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:30:07,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:07 BoogieIcfgContainer [2023-12-03 00:30:07,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:30:07,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:30:07,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:30:07,368 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:30:07,368 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:07" (1/1) ... [2023-12-03 00:30:07,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:30:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 00:30:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 00:30:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:30:07,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:07,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:30:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:08,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:08,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-03 00:30:08,207 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-03 00:30:08,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:30:08,207 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 00:30:08,214 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 00:30:08,221 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:30:08,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:30:08 ImpRootNode [2023-12-03 00:30:08,225 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:30:08,226 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:30:08,226 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:30:08,226 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:30:08,227 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:07" (3/4) ... [2023-12-03 00:30:08,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:30:08,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 00:30:08,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 00:30:08,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:30:08,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:30:08,312 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:30:08,313 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:30:08,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:30:08,314 INFO L158 Benchmark]: Toolchain (without parser) took 1493.85ms. Allocated memory is still 169.9MB. Free memory was 130.6MB in the beginning and 104.9MB in the end (delta: 25.7MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-12-03 00:30:08,314 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:30:08,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.42ms. Allocated memory is still 169.9MB. Free memory was 130.6MB in the beginning and 120.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:30:08,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.91ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 118.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:30:08,315 INFO L158 Benchmark]: Boogie Preprocessor took 23.28ms. Allocated memory is still 169.9MB. Free memory was 118.6MB in the beginning and 117.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:30:08,316 INFO L158 Benchmark]: RCFGBuilder took 280.03ms. Allocated memory is still 169.9MB. Free memory was 116.7MB in the beginning and 104.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:30:08,316 INFO L158 Benchmark]: CodeCheck took 864.62ms. Allocated memory is still 169.9MB. Free memory was 104.8MB in the beginning and 111.2MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:30:08,317 INFO L158 Benchmark]: Witness Printer took 86.96ms. Allocated memory is still 169.9MB. Free memory was 111.2MB in the beginning and 104.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 00:30:08,319 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.42ms. Allocated memory is still 169.9MB. Free memory was 130.6MB in the beginning and 120.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.91ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 118.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.28ms. Allocated memory is still 169.9MB. Free memory was 118.6MB in the beginning and 117.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.03ms. Allocated memory is still 169.9MB. Free memory was 116.7MB in the beginning and 104.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 864.62ms. Allocated memory is still 169.9MB. Free memory was 104.8MB in the beginning and 111.2MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.96ms. Allocated memory is still 169.9MB. Free memory was 111.2MB in the beginning and 104.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:30:08,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6754b81e-4ced-46f6-9781-7008d47789a7/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: TRUE