./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_10-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6546395432109233bf3e1991428a566548dd822bb23ca198622322bf4db5a8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:52:46,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:52:47,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:52:47,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:52:47,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:52:47,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:52:47,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:52:47,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:52:47,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:52:47,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:52:47,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:52:47,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:52:47,032 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:52:47,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:52:47,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:52:47,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:52:47,033 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:52:47,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:52:47,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:47,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:52:47,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:52:47,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:52:47,034 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:52:47,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:52:47,034 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_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6546395432109233bf3e1991428a566548dd822bb23ca198622322bf4db5a8a [2024-12-06 03:52:47,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:52:47,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:52:47,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:52:47,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:52:47,243 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:52:47,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursive-simple/fibo_10-2.c [2024-12-06 03:52:49,988 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/data/946325ca0/08d22d41941f4cdab4c33b86cc293ec5/FLAG6dd29834f [2024-12-06 03:52:50,187 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:52:50,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/sv-benchmarks/c/recursive-simple/fibo_10-2.c [2024-12-06 03:52:50,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/data/946325ca0/08d22d41941f4cdab4c33b86cc293ec5/FLAG6dd29834f [2024-12-06 03:52:50,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/data/946325ca0/08d22d41941f4cdab4c33b86cc293ec5 [2024-12-06 03:52:50,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:52:50,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:52:50,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:50,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:52:50,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:52:50,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57784140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50, skipping insertion in model container [2024-12-06 03:52:50,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:52:50,346 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_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/sv-benchmarks/c/recursive-simple/fibo_10-2.c[743,756] [2024-12-06 03:52:50,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:50,357 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:52:50,367 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_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/sv-benchmarks/c/recursive-simple/fibo_10-2.c[743,756] [2024-12-06 03:52:50,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:50,379 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:52:50,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50 WrapperNode [2024-12-06 03:52:50,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:50,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:50,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:52:50,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:52:50,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,404 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-12-06 03:52:50,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:50,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:52:50,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:52:50,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:52:50,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,414 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:52:50,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:52:50,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:52:50,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:52:50,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:50,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:52:50,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:52:50,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:52:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:52:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:52:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:52:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:52:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2024-12-06 03:52:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2024-12-06 03:52:50,522 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:52:50,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:52:50,611 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 03:52:50,611 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:52:50,631 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:52:50,631 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:52:50,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:50 BoogieIcfgContainer [2024-12-06 03:52:50,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:52:50,633 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:52:50,633 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:52:50,642 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:52:50,642 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:50" (1/1) ... [2024-12-06 03:52:50,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:52:50,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 03:52:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 03:52:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:52:50,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:50,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:52:50,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 25 transitions. [2024-12-06 03:52:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 03:52:50,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:52:50,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:50,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:52:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 29 transitions. [2024-12-06 03:52:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 03:52:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:52:51,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:51,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:52:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 28 transitions. [2024-12-06 03:52:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 03:52:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 03:52:51,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:51,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 03:52:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 40 transitions. [2024-12-06 03:52:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-12-06 03:52:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 03:52:51,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:51,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 03:52:52,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 47 transitions. [2024-12-06 03:52:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2024-12-06 03:52:52,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:52:52,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:52,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 03:52:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 62 transitions. [2024-12-06 03:52:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2024-12-06 03:52:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 03:52:52,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 03:52:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 61 transitions. [2024-12-06 03:52:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-12-06 03:52:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:52:53,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:53,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 03:52:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 78 transitions. [2024-12-06 03:52:53,634 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2024-12-06 03:52:53,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-06 03:52:53,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:53,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:53,856 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 131 proven. 122 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-12-06 03:52:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 39 states and 77 transitions. [2024-12-06 03:52:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2024-12-06 03:52:54,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-06 03:52:54,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:54,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 326 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-12-06 03:52:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 44 states and 96 transitions. [2024-12-06 03:52:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 96 transitions. [2024-12-06 03:52:54,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-12-06 03:52:54,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:54,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 117 proven. 639 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2024-12-06 03:52:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 49 states and 118 transitions. [2024-12-06 03:52:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 118 transitions. [2024-12-06 03:52:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-12-06 03:52:55,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:55,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2264 backedges. 447 proven. 412 refuted. 0 times theorem prover too weak. 1405 trivial. 0 not checked. [2024-12-06 03:52:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 51 states and 119 transitions. [2024-12-06 03:52:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 119 transitions. [2024-12-06 03:52:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-12-06 03:52:56,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:56,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 9549 backedges. 297 proven. 1714 refuted. 0 times theorem prover too weak. 7538 trivial. 0 not checked. [2024-12-06 03:52:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 56 states and 143 transitions. [2024-12-06 03:52:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 143 transitions. [2024-12-06 03:52:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2024-12-06 03:52:57,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:57,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 21933 backedges. 507 proven. 3096 refuted. 0 times theorem prover too weak. 18330 trivial. 0 not checked. [2024-12-06 03:52:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 61 states and 170 transitions. [2024-12-06 03:52:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 170 transitions. [2024-12-06 03:52:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2024-12-06 03:52:58,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:58,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:52:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:59,895 INFO L134 CoverageAnalysis]: Checked inductivity of 25265 backedges. 2191 proven. 2043 refuted. 0 times theorem prover too weak. 21031 trivial. 0 not checked. [2024-12-06 03:53:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:00,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 63 states and 170 transitions. [2024-12-06 03:53:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 170 transitions. [2024-12-06 03:53:00,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2024-12-06 03:53:00,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:00,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 78647 backedges. 2364 proven. 7633 refuted. 0 times theorem prover too weak. 68650 trivial. 0 not checked. [2024-12-06 03:53:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 63 states and 168 transitions. [2024-12-06 03:53:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 168 transitions. [2024-12-06 03:53:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2024-12-06 03:53:02,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:02,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 21061 backedges. 1980 proven. 1858 refuted. 0 times theorem prover too weak. 17223 trivial. 0 not checked. [2024-12-06 03:53:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 63 states and 168 transitions. [2024-12-06 03:53:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 168 transitions. [2024-12-06 03:53:03,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2024-12-06 03:53:03,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:03,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 57573 backedges. 4058 proven. 5432 refuted. 0 times theorem prover too weak. 48083 trivial. 0 not checked. [2024-12-06 03:53:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 63 states and 167 transitions. [2024-12-06 03:53:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 167 transitions. [2024-12-06 03:53:05,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017 [2024-12-06 03:53:05,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:05,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 61929 backedges. 927 proven. 6111 refuted. 0 times theorem prover too weak. 54891 trivial. 0 not checked. [2024-12-06 03:53:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 68 states and 194 transitions. [2024-12-06 03:53:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 194 transitions. [2024-12-06 03:53:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2024-12-06 03:53:07,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:07,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 78647 backedges. 4431 proven. 5041 refuted. 0 times theorem prover too weak. 69175 trivial. 0 not checked. [2024-12-06 03:53:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 68 states and 194 transitions. [2024-12-06 03:53:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 194 transitions. [2024-12-06 03:53:09,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3277 [2024-12-06 03:53:09,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:09,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 651089 backedges. 3202 proven. 20587 refuted. 0 times theorem prover too weak. 627300 trivial. 0 not checked. [2024-12-06 03:53:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 68 states and 194 transitions. [2024-12-06 03:53:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 194 transitions. [2024-12-06 03:53:16,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2037 [2024-12-06 03:53:16,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:16,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 250749 backedges. 2111 proven. 13033 refuted. 0 times theorem prover too weak. 235605 trivial. 0 not checked. [2024-12-06 03:53:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 66 states and 111 transitions. [2024-12-06 03:53:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 111 transitions. [2024-12-06 03:53:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2024-12-06 03:53:21,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:21,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 130635 backedges. 1983 proven. 7272 refuted. 0 times theorem prover too weak. 121380 trivial. 0 not checked. [2024-12-06 03:53:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 66 states and 110 transitions. [2024-12-06 03:53:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2024-12-06 03:53:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2024-12-06 03:53:23,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:23,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 63781 backedges. 4258 proven. 1312 refuted. 0 times theorem prover too weak. 58211 trivial. 0 not checked. [2024-12-06 03:53:24,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:24,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 66 states and 109 transitions. [2024-12-06 03:53:24,731 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 109 transitions. [2024-12-06 03:53:24,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2047 [2024-12-06 03:53:24,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:24,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:28,954 INFO L134 CoverageAnalysis]: Checked inductivity of 253184 backedges. 2013 proven. 13221 refuted. 0 times theorem prover too weak. 237950 trivial. 0 not checked. [2024-12-06 03:53:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 66 states and 100 transitions. [2024-12-06 03:53:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2024-12-06 03:53:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1292 [2024-12-06 03:53:29,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:29,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 100329 backedges. 1453 proven. 6614 refuted. 0 times theorem prover too weak. 92262 trivial. 0 not checked. [2024-12-06 03:53:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 66 states and 99 transitions. [2024-12-06 03:53:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2024-12-06 03:53:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1590 [2024-12-06 03:53:31,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:31,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 152370 backedges. 2306 proven. 8149 refuted. 0 times theorem prover too weak. 141915 trivial. 0 not checked. [2024-12-06 03:53:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 66 states and 93 transitions. [2024-12-06 03:53:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2024-12-06 03:53:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1495 [2024-12-06 03:53:34,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:34,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 5891 proven. 3916 refuted. 0 times theorem prover too weak. 124797 trivial. 0 not checked. [2024-12-06 03:53:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 66 states and 90 transitions. [2024-12-06 03:53:37,098 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2024-12-06 03:53:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1427 [2024-12-06 03:53:37,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:37,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:39,217 INFO L134 CoverageAnalysis]: Checked inductivity of 122564 backedges. 2737 proven. 6606 refuted. 0 times theorem prover too weak. 113221 trivial. 0 not checked. [2024-12-06 03:53:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 66 states and 85 transitions. [2024-12-06 03:53:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-12-06 03:53:39,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1386 [2024-12-06 03:53:39,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:39,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 115578 backedges. 3845 proven. 5218 refuted. 0 times theorem prover too weak. 106515 trivial. 0 not checked. [2024-12-06 03:53:41,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 66 states and 81 transitions. [2024-12-06 03:53:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2024-12-06 03:53:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1209 [2024-12-06 03:53:41,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:41,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:53:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 0 proven. 28921 refuted. 0 times theorem prover too weak. 58848 trivial. 0 not checked. [2024-12-06 03:54:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 64 states and 79 transitions. [2024-12-06 03:54:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2024-12-06 03:54:43,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:54:43,571 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2024-12-06 03:54:43,578 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point L28(lines 28 30) the Hoare annotation is: true [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 10) (<= 10 |ULTIMATE.start_main_~x~0#1|)) [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: true [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point L28-2(lines 28 30) the Hoare annotation is: true [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 29) the Hoare annotation is: true [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point fiboEXIT(lines 7 15) the Hoare annotation is: true [2024-12-06 03:54:43,842 INFO L77 FloydHoareUtils]: At program point fiboFINAL(lines 7 15) the Hoare annotation is: true [2024-12-06 03:54:43,843 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= fibo_~n |fibo_#in~n|) (< 1 fibo_~n) (<= |fibo_#in~n| fibo_~n)) [2024-12-06 03:54:43,843 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-12-06 03:54:43,843 INFO L77 FloydHoareUtils]: At program point L13-2(line 13) the Hoare annotation is: true [2024-12-06 03:54:43,843 INFO L77 FloydHoareUtils]: At program point L10(lines 10 14) the Hoare annotation is: (and (<= fibo_~n |fibo_#in~n|) (<= |fibo_#in~n| fibo_~n) (< 0 fibo_~n)) [2024-12-06 03:54:43,843 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-12-06 03:54:43,843 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 7 15) the Hoare annotation is: true [2024-12-06 03:54:43,843 INFO L77 FloydHoareUtils]: At program point L8(lines 8 14) the Hoare annotation is: (and (<= fibo_~n |fibo_#in~n|) (<= |fibo_#in~n| fibo_~n)) [2024-12-06 03:54:43,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:54:43 ImpRootNode [2024-12-06 03:54:43,854 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:54:43,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:54:43,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:54:43,854 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:54:43,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:50" (3/4) ... [2024-12-06 03:54:43,857 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:54:43,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo [2024-12-06 03:54:43,863 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 03:54:43,863 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 03:54:43,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:54:43,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:54:43,922 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:54:43,922 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:54:43,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:54:43,923 INFO L158 Benchmark]: Toolchain (without parser) took 113712.09ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 93.3MB in the beginning and 826.1MB in the end (delta: -732.8MB). Peak memory consumption was 323.4MB. Max. memory is 16.1GB. [2024-12-06 03:54:43,923 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:54:43,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.80ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:54:43,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.78ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.7MB in the end (delta: 845.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:54:43,924 INFO L158 Benchmark]: Boogie Preprocessor took 15.02ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.8MB in the end (delta: 837.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:54:43,924 INFO L158 Benchmark]: RCFGBuilder took 211.58ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.1MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:54:43,924 INFO L158 Benchmark]: CodeCheck took 113220.96ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 71.1MB in the beginning and 830.6MB in the end (delta: -759.5MB). Peak memory consumption was 298.2MB. Max. memory is 16.1GB. [2024-12-06 03:54:43,924 INFO L158 Benchmark]: Witness Printer took 68.25ms. Allocated memory is still 1.2GB. Free memory was 830.6MB in the beginning and 826.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:54:43,926 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 112.9s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3491 SdHoareTripleChecker+Valid, 24.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2129 mSDsluCounter, 5245 SdHoareTripleChecker+Invalid, 20.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3703 mSDsCounter, 5742 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16826 IncrementalHoareTripleChecker+Invalid, 22568 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5742 mSolverCounterUnsat, 1542 mSDtfsCounter, 16826 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53449 GetRequests, 51716 SyntacticMatches, 1358 SemanticMatches, 375 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80643 ImplicationChecksByTransitivity, 22.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 87.9s InterpolantComputationTime, 25674 NumberOfCodeBlocks, 25674 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 25643 ConstructedInterpolants, 0 QuantifiedInterpolants, 30525 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 2 PerfectInterpolantSequences, 2274100/2423533 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 29]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.80ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.78ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.7MB in the end (delta: 845.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.02ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.8MB in the end (delta: 837.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 211.58ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.1MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 113220.96ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 71.1MB in the beginning and 830.6MB in the end (delta: -759.5MB). Peak memory consumption was 298.2MB. Max. memory is 16.1GB. * Witness Printer took 68.25ms. Allocated memory is still 1.2GB. Free memory was 830.6MB in the beginning and 826.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:54:43,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d18a83b-25f3-4004-8fdf-1c71c34f19b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE