./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk --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 6cf2561dad1c8b51aa2ba3c0e99715767de125185ed9dd0f295e3fa44621c8c9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:15:51,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:15:51,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:15:51,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:15:51,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:15:51,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:15:51,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:15:51,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:15:51,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:15:51,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:15:51,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:15:51,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:15:51,458 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:15:51,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:15:51,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:15:51,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:15:51,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:15:51,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:15:51,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:15:51,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:15:51,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:15:51,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:15:51,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:15:51,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:15:51,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:15:51,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:15:51,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:15:51,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:51,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:15:51,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:15:51,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:15:51,471 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:15:51,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:15:51,473 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_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cf2561dad1c8b51aa2ba3c0e99715767de125185ed9dd0f295e3fa44621c8c9 [2024-11-08 23:15:51,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:15:51,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:15:51,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:15:51,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:15:51,793 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:15:51,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-6.i Unable to find full path for "g++" [2024-11-08 23:15:53,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:15:53,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:15:53,977 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-6.i [2024-11-08 23:15:53,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/data/9f0f65949/a4dfed8e1a9441cc9e4e5d59bf3763ea/FLAG88e22bcaf [2024-11-08 23:15:54,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/data/9f0f65949/a4dfed8e1a9441cc9e4e5d59bf3763ea [2024-11-08 23:15:54,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:15:54,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:15:54,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:54,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:15:54,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:15:54,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a36cce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54, skipping insertion in model container [2024-11-08 23:15:54,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:15:54,217 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_c0aa4ae2-f536-4670-890f-67c66da9c792/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-6.i[914,927] [2024-11-08 23:15:54,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:54,277 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:15:54,290 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_c0aa4ae2-f536-4670-890f-67c66da9c792/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-6.i[914,927] [2024-11-08 23:15:54,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:54,333 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:15:54,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54 WrapperNode [2024-11-08 23:15:54,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:54,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:54,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:15:54,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:15:54,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,384 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-08 23:15:54,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:54,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:15:54,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:15:54,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:15:54,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:15:54,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:15:54,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:15:54,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:15:54,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:54" (1/1) ... [2024-11-08 23:15:54,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:54,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:15:54,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:15:54,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:15:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:15:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:15:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:15:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:15:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:15:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:15:54,559 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:15:54,561 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:15:54,901 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 23:15:54,901 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:15:55,069 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:15:55,070 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:15:55,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:15:55 BoogieIcfgContainer [2024-11-08 23:15:55,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:15:55,073 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:15:55,073 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:15:55,085 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:15:55,086 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:15:55" (1/1) ... [2024-11-08 23:15:55,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:15:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 60 transitions. [2024-11-08 23:15:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2024-11-08 23:15:55,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 23:15:55,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:55,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:15:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:55,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:15:55,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:04,879 WARN L286 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 473 DAG size of output: 696 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:21:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 82 proven. 31 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-08 23:21:33,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 74 states and 147 transitions. [2024-11-08 23:21:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2024-11-08 23:21:33,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 23:21:33,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:33,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:33,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1438 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2024-11-08 23:21:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:35,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 39 states and 59 transitions. [2024-11-08 23:21:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2024-11-08 23:21:35,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:21:35,221 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-08 23:21:35,233 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:21:35,568 INFO L77 FloydHoareUtils]: At program point L93(line 93) the Hoare annotation is: true [2024-11-08 23:21:35,568 INFO L77 FloydHoareUtils]: At program point L89(line 89) the Hoare annotation is: true [2024-11-08 23:21:35,568 INFO L77 FloydHoareUtils]: At program point L89-1(line 89) the Hoare annotation is: true [2024-11-08 23:21:35,568 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-08 23:21:35,569 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-11-08 23:21:35,569 INFO L77 FloydHoareUtils]: At program point L81(line 81) the Hoare annotation is: true [2024-11-08 23:21:35,569 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-08 23:21:35,569 INFO L77 FloydHoareUtils]: At program point L73(line 73) the Hoare annotation is: true [2024-11-08 23:21:35,570 INFO L77 FloydHoareUtils]: At program point L73-1(line 73) the Hoare annotation is: true [2024-11-08 23:21:35,570 INFO L77 FloydHoareUtils]: At program point L69(line 69) the Hoare annotation is: true [2024-11-08 23:21:35,570 INFO L77 FloydHoareUtils]: At program point L69-1(line 69) the Hoare annotation is: true [2024-11-08 23:21:35,570 INFO L77 FloydHoareUtils]: At program point L90(line 90) the Hoare annotation is: true [2024-11-08 23:21:35,571 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-08 23:21:35,571 INFO L77 FloydHoareUtils]: At program point L86(line 86) the Hoare annotation is: true [2024-11-08 23:21:35,571 INFO L77 FloydHoareUtils]: At program point L86-1(line 86) the Hoare annotation is: true [2024-11-08 23:21:35,571 INFO L77 FloydHoareUtils]: At program point L111-1(lines 111 117) the Hoare annotation is: true [2024-11-08 23:21:35,572 INFO L77 FloydHoareUtils]: At program point L78(line 78) the Hoare annotation is: true [2024-11-08 23:21:35,572 INFO L77 FloydHoareUtils]: At program point L78-1(line 78) the Hoare annotation is: true [2024-11-08 23:21:35,572 INFO L77 FloydHoareUtils]: At program point L111-3(lines 111 117) the Hoare annotation is: true [2024-11-08 23:21:35,572 INFO L77 FloydHoareUtils]: At program point L111-4(lines 111 117) the Hoare annotation is: true [2024-11-08 23:21:35,572 INFO L77 FloydHoareUtils]: At program point L74(line 74) the Hoare annotation is: true [2024-11-08 23:21:35,573 INFO L77 FloydHoareUtils]: At program point L70(line 70) the Hoare annotation is: true [2024-11-08 23:21:35,573 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:21:35,573 INFO L77 FloydHoareUtils]: At program point L95(line 95) the Hoare annotation is: true [2024-11-08 23:21:35,573 INFO L77 FloydHoareUtils]: At program point L95-1(line 95) the Hoare annotation is: true [2024-11-08 23:21:35,574 INFO L77 FloydHoareUtils]: At program point L87(line 87) the Hoare annotation is: true [2024-11-08 23:21:35,574 INFO L77 FloydHoareUtils]: At program point L83(line 83) the Hoare annotation is: true [2024-11-08 23:21:35,574 INFO L77 FloydHoareUtils]: At program point L83-1(line 83) the Hoare annotation is: true [2024-11-08 23:21:35,574 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:21:35,574 INFO L77 FloydHoareUtils]: At program point L71(line 71) the Hoare annotation is: true [2024-11-08 23:21:35,575 INFO L77 FloydHoareUtils]: At program point L96(lines 67 97) the Hoare annotation is: true [2024-11-08 23:21:35,575 INFO L77 FloydHoareUtils]: At program point L92(line 92) the Hoare annotation is: true [2024-11-08 23:21:35,575 INFO L77 FloydHoareUtils]: At program point L92-1(line 92) the Hoare annotation is: true [2024-11-08 23:21:35,575 INFO L77 FloydHoareUtils]: At program point L84(line 84) the Hoare annotation is: true [2024-11-08 23:21:35,575 INFO L77 FloydHoareUtils]: At program point L80(line 80) the Hoare annotation is: true [2024-11-08 23:21:35,576 INFO L77 FloydHoareUtils]: At program point L80-1(line 80) the Hoare annotation is: true [2024-11-08 23:21:35,576 INFO L77 FloydHoareUtils]: At program point L76(line 76) the Hoare annotation is: true [2024-11-08 23:21:35,576 INFO L77 FloydHoareUtils]: At program point L76-1(line 76) the Hoare annotation is: true [2024-11-08 23:21:35,576 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-11-08 23:21:35,577 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: true [2024-11-08 23:21:35,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:21:35 ImpRootNode [2024-11-08 23:21:35,597 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:21:35,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:21:35,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:21:35,598 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:21:35,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:15:55" (3/4) ... [2024-11-08 23:21:35,601 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:21:35,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 23:21:35,608 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-08 23:21:35,609 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 23:21:35,609 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:21:35,609 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:21:35,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:21:35,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:21:35,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:21:35,741 INFO L158 Benchmark]: Toolchain (without parser) took 341732.89ms. Allocated memory was 125.8MB in the beginning and 1.1GB in the end (delta: 937.4MB). Free memory was 91.8MB in the beginning and 915.3MB in the end (delta: -823.4MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2024-11-08 23:21:35,742 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:21:35,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.48ms. Allocated memory is still 125.8MB. Free memory was 91.8MB in the beginning and 77.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:21:35,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.15ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 74.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:21:35,743 INFO L158 Benchmark]: Boogie Preprocessor took 36.46ms. Allocated memory is still 125.8MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:21:35,743 INFO L158 Benchmark]: RCFGBuilder took 648.71ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 73.0MB in the beginning and 120.2MB in the end (delta: -47.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-08 23:21:35,743 INFO L158 Benchmark]: CodeCheck took 340524.32ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 895.5MB). Free memory was 120.2MB in the beginning and 921.6MB in the end (delta: -801.4MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2024-11-08 23:21:35,744 INFO L158 Benchmark]: Witness Printer took 143.15ms. Allocated memory is still 1.1GB. Free memory was 921.6MB in the beginning and 915.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:21:35,746 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 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 340.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 267 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 670 IncrementalHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 58 mSDtfsCounter, 670 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1686 GetRequests, 1644 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 336.7s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 1872 SizeOfPredicates, 15 NumberOfNonLiveVariables, 202 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1749/1780 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: 19]: 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 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_4 == \old(var_1_4))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_6 == \old(last_1_var_1_6))) && (last_1_var_1_18 == \old(last_1_var_1_18))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.48ms. Allocated memory is still 125.8MB. Free memory was 91.8MB in the beginning and 77.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.15ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 74.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.46ms. Allocated memory is still 125.8MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.71ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 73.0MB in the beginning and 120.2MB in the end (delta: -47.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * CodeCheck took 340524.32ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 895.5MB). Free memory was 120.2MB in the beginning and 921.6MB in the end (delta: -801.4MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * Witness Printer took 143.15ms. Allocated memory is still 1.1GB. Free memory was 921.6MB in the beginning and 915.3MB 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! [2024-11-08 23:21:35,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0aa4ae2-f536-4670-890f-67c66da9c792/bin/ukojak-verify-ImItNfHLgk/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