./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i --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_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b --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 6b9a965f73c3cec90a7bf30e1abcce707e2acf95b41bbd45e0beb5b55c7fe39d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:36:10,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:36:10,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:36:10,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:36:10,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:36:11,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:36:11,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:36:11,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:36:11,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:36:11,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:36:11,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:36:11,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:36:11,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:36:11,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:36:11,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:36:11,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:36:11,018 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:36:11,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:36:11,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:36:11,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:36:11,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:36:11,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:36:11,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:36:11,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:36:11,019 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_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b 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 -> 6b9a965f73c3cec90a7bf30e1abcce707e2acf95b41bbd45e0beb5b55c7fe39d [2024-12-06 01:36:11,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:36:11,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:36:11,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:36:11,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:36:11,257 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:36:11,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i [2024-12-06 01:36:13,866 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/data/3ebeed122/63f8183241ed4fa1b2ae24e229bb29ab/FLAGc97833c9e [2024-12-06 01:36:14,032 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:36:14,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i [2024-12-06 01:36:14,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/data/3ebeed122/63f8183241ed4fa1b2ae24e229bb29ab/FLAGc97833c9e [2024-12-06 01:36:14,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/data/3ebeed122/63f8183241ed4fa1b2ae24e229bb29ab [2024-12-06 01:36:14,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:36:14,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:36:14,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:36:14,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:36:14,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:36:14,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a369632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14, skipping insertion in model container [2024-12-06 01:36:14,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:36:14,553 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_53a841cb-c098-41cf-8b2e-89ca3f1dd782/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i[873,886] [2024-12-06 01:36:14,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:36:14,572 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:36:14,582 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_53a841cb-c098-41cf-8b2e-89ca3f1dd782/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i[873,886] [2024-12-06 01:36:14,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:36:14,596 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:36:14,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14 WrapperNode [2024-12-06 01:36:14,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:36:14,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:36:14,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:36:14,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:36:14,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,616 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2024-12-06 01:36:14,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:36:14,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:36:14,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:36:14,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:36:14,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,625 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:36:14,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:36:14,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:36:14,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:36:14,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:36:14,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:36:14,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:36:14,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:36:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:36:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:36:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:36:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:36:14,725 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:36:14,727 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:36:14,805 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 01:36:14,805 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:36:14,831 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:36:14,831 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:36:14,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:36:14 BoogieIcfgContainer [2024-12-06 01:36:14,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:36:14,832 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:36:14,832 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:36:14,839 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:36:14,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:36:14" (1/1) ... [2024-12-06 01:36:14,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:36:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 01:36:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 01:36:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:36:14,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:36:14,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:36:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:36:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-12-06 01:36:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-12-06 01:36:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:36:15,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:36:15,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:36:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:36:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:15,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 01:36:15,370 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 01:36:15,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:36:15,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:36:15,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:36:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:15,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:36:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:36:15,600 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:36:15,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:36:15,601 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 01:36:15,608 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:36:15,655 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:36:15,655 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-12-06 01:36:15,656 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-12-06 01:36:15,656 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:36:15,656 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 30) the Hoare annotation is: true [2024-12-06 01:36:15,656 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-12-06 01:36:15,656 INFO L77 FloydHoareUtils]: At program point L24-3(lines 24 27) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~j~0#1| 1))) (or (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (< |ULTIMATE.start_main_~n~0#1| .cse0)) (and (<= .cse0 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|))))) [2024-12-06 01:36:15,656 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-12-06 01:36:15,656 INFO L77 FloydHoareUtils]: At program point L14(lines 14 18) the Hoare annotation is: true [2024-12-06 01:36:15,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:36:15 ImpRootNode [2024-12-06 01:36:15,667 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:36:15,668 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:36:15,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:36:15,668 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:36:15,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:36:14" (3/4) ... [2024-12-06 01:36:15,670 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:36:15,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-06 01:36:15,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 01:36:15,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:36:15,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:36:15,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:36:15,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:36:15,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:36:15,729 INFO L158 Benchmark]: Toolchain (without parser) took 1298.52ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 74.7MB in the end (delta: 18.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-12-06 01:36:15,729 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 71.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:15,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.66ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:15,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.94ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:15,730 INFO L158 Benchmark]: Boogie Preprocessor took 12.45ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 646.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:15,730 INFO L158 Benchmark]: RCFGBuilder took 201.68ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 69.6MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:15,731 INFO L158 Benchmark]: CodeCheck took 834.92ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 78.9MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:15,731 INFO L158 Benchmark]: Witness Printer took 60.73ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 74.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:15,733 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: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 15 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/4 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 - PositiveResult [Line: 16]: 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: 24]: Loop Invariant Derived loop invariant: (((0 <= k) && (n < ((long long) j + 1))) || ((((long long) j + 1) <= n) && (n <= ((long long) j + k)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 71.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.66ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.94ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.45ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 646.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 201.68ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 69.6MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 834.92ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 78.9MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.73ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 74.7MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:36:15,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53a841cb-c098-41cf-8b2e-89ca3f1dd782/bin/ukojak-verify-CZk0znPC7b/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 Result: TRUE