./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/array_3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm --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 9c5d8dd6c87f471ee77fd3b765c8ecabfaf01dd976e127275ea7c589f724f472 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:02:00,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:02:00,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:02:00,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:02:00,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:02:00,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:02:00,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:02:00,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:02:00,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:02:00,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:02:00,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:02:00,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:02:00,510 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:02:00,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:02:00,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:02:00,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:02:00,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:02:00,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:02:00,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:02:00,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:02:00,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:02:00,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:02:00,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:02:00,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:02:00,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:02:00,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:02:00,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:02:00,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:00,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:02:00,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:02:00,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:02:00,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:02:00,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:02:00,514 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_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm 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 -> 9c5d8dd6c87f471ee77fd3b765c8ecabfaf01dd976e127275ea7c589f724f472 [2024-11-13 22:02:00,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:02:00,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:02:00,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:02:00,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:02:00,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:02:00,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-acceleration/array_3-1.i Unable to find full path for "g++" [2024-11-13 22:02:02,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:02:03,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:02:03,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/sv-benchmarks/c/loop-acceleration/array_3-1.i [2024-11-13 22:02:03,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/data/0e51a51b5/9c72d007bf354498a4c27f0910918b77/FLAGc456c4108 [2024-11-13 22:02:03,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/data/0e51a51b5/9c72d007bf354498a4c27f0910918b77 [2024-11-13 22:02:03,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:02:03,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:02:03,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:03,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:02:03,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:02:03,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6dd1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03, skipping insertion in model container [2024-11-13 22:02:03,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:02:03,274 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_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/sv-benchmarks/c/loop-acceleration/array_3-1.i[849,862] [2024-11-13 22:02:03,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:03,300 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:02:03,311 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_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/sv-benchmarks/c/loop-acceleration/array_3-1.i[849,862] [2024-11-13 22:02:03,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:03,334 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:02:03,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03 WrapperNode [2024-11-13 22:02:03,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:03,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:03,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:02:03,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:02:03,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,368 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-13 22:02:03,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:03,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:02:03,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:02:03,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:02:03,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:02:03,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:02:03,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:02:03,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:02:03,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:03,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:02:03,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:02:03,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:02:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:02:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:02:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:02:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:02:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:02:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:02:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:02:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:02:03,565 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:02:03,569 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:02:03,720 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:02:03,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:02:03,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:02:03,763 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:02:03,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:03 BoogieIcfgContainer [2024-11-13 22:02:03,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:02:03,764 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:02:03,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:02:03,776 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:02:03,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:03" (1/1) ... [2024-11-13 22:02:03,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:02:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 22:02:03,848 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 22:02:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:02:03,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:03,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-13 22:02:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-13 22:02:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:02:03,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:03,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-13 22:02:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-13 22:02:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:02:04,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:04,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-13 22:02:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-13 22:02:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:02:04,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:04,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:02:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 22:02:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 22:02:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:02:04,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:04,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:02:04,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-13 22:02:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-13 22:02:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:02:04,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:04,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:02:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-13 22:02:05,050 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-13 22:02:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:02:05,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:05,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:05,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:02:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2024-11-13 22:02:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2024-11-13 22:02:05,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:02:05,412 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 22:02:05,423 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:02:05,488 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:02:05,488 INFO L77 FloydHoareUtils]: At program point L29(lines 29 31) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1023) [2024-11-13 22:02:05,489 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-13 22:02:05,489 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 19) the Hoare annotation is: true [2024-11-13 22:02:05,489 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:02:05,489 INFO L77 FloydHoareUtils]: At program point L28-1(lines 28 32) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1023) [2024-11-13 22:02:05,489 INFO L77 FloydHoareUtils]: At program point L28-3(lines 28 32) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1023) [2024-11-13 22:02:05,490 INFO L77 FloydHoareUtils]: At program point L28-4(lines 28 32) the Hoare annotation is: (< |ULTIMATE.start_main_~i~0#1| 1025) [2024-11-13 22:02:05,491 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-11-13 22:02:05,491 INFO L77 FloydHoareUtils]: At program point L24-2(lines 24 26) the Hoare annotation is: true [2024-11-13 22:02:05,491 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-11-13 22:02:05,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:02:05 ImpRootNode [2024-11-13 22:02:05,504 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:02:05,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:02:05,506 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:02:05,506 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:02:05,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:03" (3/4) ... [2024-11-13 22:02:05,509 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:02:05,519 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 22:02:05,520 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:02:05,520 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:02:05,521 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 22:02:05,602 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:02:05,602 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:02:05,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:02:05,603 INFO L158 Benchmark]: Toolchain (without parser) took 2524.77ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 74.9MB in the end (delta: 44.5MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-11-13 22:02:05,603 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:05,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.59ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:05,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.34ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:05,604 INFO L158 Benchmark]: Boogie Preprocessor took 32.59ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.7MB in the end (delta: 807.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:05,605 INFO L158 Benchmark]: RCFGBuilder took 360.43ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 96.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:05,605 INFO L158 Benchmark]: CodeCheck took 1740.07ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 79.6MB in the end (delta: 16.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-13 22:02:05,606 INFO L158 Benchmark]: Witness Printer took 97.49ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 74.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:05,608 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 91 mSDtfsCounter, 202 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 503 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 21/25 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: 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: 28]: Loop Invariant Derived loop invariant: (i <= 1023) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.59ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.34ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.59ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.7MB in the end (delta: 807.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.43ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 96.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1740.07ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 79.6MB in the end (delta: 16.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Witness Printer took 97.49ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 74.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:02:05,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ee6890-3d14-437f-b6a8-7b94b1fe11d6/bin/ukojak-verify-EEHR8qb7sm/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