./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01_bug02.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_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/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_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/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_f9520596-6326-43fe-910a-f480769fbb8a/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 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:27:07,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:27:07,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:27:07,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:27:07,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:27:07,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:27:07,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:27:07,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:27:07,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:27:07,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:27:07,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:27:07,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:27:07,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:27:07,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:27:07,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:27:07,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:27:07,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:27:07,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:27:07,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:27:07,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:27:07,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:27:07,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:27:07,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:27:07,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:27:07,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:27:07,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:27:07,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:27:07,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:07,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:27:07,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:27:07,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:27:07,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:27:07,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:27:07,526 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_f9520596-6326-43fe-910a-f480769fbb8a/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 -> 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e [2024-11-13 21:27:07,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:27:07,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:27:07,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:27:07,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:27:07,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:27:07,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loops/sum01_bug02.i Unable to find full path for "g++" [2024-11-13 21:27:10,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:27:10,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:27:10,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/sv-benchmarks/c/loops/sum01_bug02.i [2024-11-13 21:27:10,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/data/6a901cb0a/02931a40c6804f6cb73b0f5b39e15f6f/FLAG86965a73b [2024-11-13 21:27:10,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/data/6a901cb0a/02931a40c6804f6cb73b0f5b39e15f6f [2024-11-13 21:27:10,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:27:10,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:27:10,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:10,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:27:10,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:27:10,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:10,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a695d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10, skipping insertion in model container [2024-11-13 21:27:10,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:10,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:27:10,885 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_f9520596-6326-43fe-910a-f480769fbb8a/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2024-11-13 21:27:10,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:10,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:27:10,936 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_f9520596-6326-43fe-910a-f480769fbb8a/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2024-11-13 21:27:10,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:27:10,963 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:27:10,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10 WrapperNode [2024-11-13 21:27:10,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:27:10,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:10,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:27:10,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:27:10,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:10,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,003 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 21:27:11,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:27:11,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:27:11,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:27:11,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:27:11,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:27:11,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:27:11,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:27:11,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:27:11,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:27:10" (1/1) ... [2024-11-13 21:27:11,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:27:11,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:27:11,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:27:11,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:27:11,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:27:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:27:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:27:11,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:27:11,196 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:27:11,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:27:11,357 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 21:27:11,357 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:27:11,413 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:27:11,414 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:27:11,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:11 BoogieIcfgContainer [2024-11-13 21:27:11,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:27:11,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:27:11,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:27:11,429 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:27:11,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:11" (1/1) ... [2024-11-13 21:27:11,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:27:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:27:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:27:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:27:11,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:11,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:11,962 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 21:27:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-13 21:27:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-13 21:27:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:27:12,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:12,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:12,508 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 21:27:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-11-13 21:27:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-11-13 21:27:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:27:13,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:13,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 14 states and 26 transitions. [2024-11-13 21:27:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 26 transitions. [2024-11-13 21:27:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:27:13,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:13,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2024-11-13 21:27:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2024-11-13 21:27:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:27:14,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:14,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:15,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 32 transitions. [2024-11-13 21:27:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 32 transitions. [2024-11-13 21:27:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:27:15,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:15,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 17 states and 34 transitions. [2024-11-13 21:27:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 34 transitions. [2024-11-13 21:27:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:27:15,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:15,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 18 states and 37 transitions. [2024-11-13 21:27:16,450 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 37 transitions. [2024-11-13 21:27:16,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:27:16,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:16,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:16,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:17,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 19 states and 39 transitions. [2024-11-13 21:27:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 39 transitions. [2024-11-13 21:27:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:27:17,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:17,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 42 transitions. [2024-11-13 21:27:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 42 transitions. [2024-11-13 21:27:17,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:27:17,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:17,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 21 states and 44 transitions. [2024-11-13 21:27:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 44 transitions. [2024-11-13 21:27:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:27:18,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:18,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:18,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:18,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:27:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:27:18,666 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-11-13 21:27:18,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:27:18 ImpRootNode [2024-11-13 21:27:18,707 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:27:18,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:27:18,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:27:18,709 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:27:18,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:27:11" (3/4) ... [2024-11-13 21:27:18,711 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:27:18,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9520596-6326-43fe-910a-f480769fbb8a/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:27:18,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:27:18,776 INFO L158 Benchmark]: Toolchain (without parser) took 8151.52ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 91.7MB in the beginning and 120.6MB in the end (delta: -28.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-13 21:27:18,781 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 41.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:18,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.47ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:27:18,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.53ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.8MB in the end (delta: 934.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:18,782 INFO L158 Benchmark]: Boogie Preprocessor took 31.15ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.0MB in the end (delta: 810.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:18,782 INFO L158 Benchmark]: RCFGBuilder took 377.59ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 68.3MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:27:18,783 INFO L158 Benchmark]: CodeCheck took 7291.56ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 68.3MB in the beginning and 122.0MB in the end (delta: -53.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:18,783 INFO L158 Benchmark]: Witness Printer took 67.81ms. Allocated memory is still 151.0MB. Free memory was 122.0MB in the beginning and 120.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:27:18,786 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: 7.2s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 374 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 838 IncrementalHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 374 mSolverCounterUnsat, 19 mSDtfsCounter, 838 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 874 GetRequests, 780 SyntacticMatches, 36 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 652 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/69 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 - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int i, j=10, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, j=10, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, j=10, n=__VERIFIER_nondet_uint(), sn=0; VAL [j=10, n=6, sn=0] [L24] COND FALSE !(n==2147483647) [L27] i=1 VAL [i=1, j=10, n=6, sn=0] [L27] COND TRUE i<=n [L28] COND TRUE i