./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Fibonacci02.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_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/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_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/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_59a5ca48-52d5-4baf-a888-d3daa2718a77/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 b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:02:50,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:02:50,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:02:50,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:02:50,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:02:50,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:02:50,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:02:50,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:02:50,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:02:50,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:02:50,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:02:50,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:02:50,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:02:50,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:02:50,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:02:50,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:02:50,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:02:50,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:02:50,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:02:50,835 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:02:50,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:02:50,836 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:02:50,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:02:50,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:02:50,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:02:50,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:02:50,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:02:50,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:02:50,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:02:50,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:02:50,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:02:50,837 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:02:50,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:02:50,837 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_59a5ca48-52d5-4baf-a888-d3daa2718a77/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 -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 [2024-12-06 05:02:51,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:02:51,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:02:51,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:02:51,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:02:51,085 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:02:51,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursive/Fibonacci02.c [2024-12-06 05:02:53,681 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/data/bb0dad44e/942705e3b8a64a499007f77c1aa5a485/FLAG235511cf6 [2024-12-06 05:02:53,881 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:02:53,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/sv-benchmarks/c/recursive/Fibonacci02.c [2024-12-06 05:02:53,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/data/bb0dad44e/942705e3b8a64a499007f77c1aa5a485/FLAG235511cf6 [2024-12-06 05:02:54,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/data/bb0dad44e/942705e3b8a64a499007f77c1aa5a485 [2024-12-06 05:02:54,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:02:54,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:02:54,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:02:54,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:02:54,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:02:54,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418fbd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54, skipping insertion in model container [2024-12-06 05:02:54,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:02:54,375 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_59a5ca48-52d5-4baf-a888-d3daa2718a77/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2024-12-06 05:02:54,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:02:54,385 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:02:54,394 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_59a5ca48-52d5-4baf-a888-d3daa2718a77/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2024-12-06 05:02:54,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:02:54,404 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:02:54,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54 WrapperNode [2024-12-06 05:02:54,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:02:54,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:02:54,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:02:54,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:02:54,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,423 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-12-06 05:02:54,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:02:54,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:02:54,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:02:54,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:02:54,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:02:54,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:02:54,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:02:54,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:02:54,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:02:54,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:02:54,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:02:54,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:02:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-12-06 05:02:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-12-06 05:02:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:02:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:02:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:02:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:02:54,524 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:02:54,525 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:02:54,605 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 05:02:54,605 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:02:54,622 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:02:54,623 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:02:54,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:02:54 BoogieIcfgContainer [2024-12-06 05:02:54,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:02:54,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:02:54,624 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:02:54,631 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:02:54,631 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:02:54" (1/1) ... [2024-12-06 05:02:54,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:02:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 05:02:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 05:02:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:02:54,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:54,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:54,839 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 05:02:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 25 transitions. [2024-12-06 05:02:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 05:02:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:02:54,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:54,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:54,986 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 05:02:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 29 transitions. [2024-12-06 05:02:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 05:02:55,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:02:55,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:55,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:55,179 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 05:02:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 28 transitions. [2024-12-06 05:02:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-12-06 05:02:55,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:02:55,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:55,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:55,396 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 05:02:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 40 transitions. [2024-12-06 05:02:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-12-06 05:02:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:02:55,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:55,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:55,793 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 05:02:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:56,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 47 transitions. [2024-12-06 05:02:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2024-12-06 05:02:56,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 05:02:56,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:56,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:56,321 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 05:02:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 62 transitions. [2024-12-06 05:02:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2024-12-06 05:02:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 05:02:56,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:56,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:56,754 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 05:02:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 61 transitions. [2024-12-06 05:02:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-12-06 05:02:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 05:02:57,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:57,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:57,188 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 05:02:57,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 78 transitions. [2024-12-06 05:02:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2024-12-06 05:02:57,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-06 05:02:57,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:57,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:57,722 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 05:02:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 39 states and 77 transitions. [2024-12-06 05:02:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2024-12-06 05:02:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-06 05:02:57,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:57,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:58,216 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 05:02:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 44 states and 96 transitions. [2024-12-06 05:02:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 96 transitions. [2024-12-06 05:02:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-12-06 05:02:58,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:58,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4113 backedges. 142 proven. 942 refuted. 0 times theorem prover too weak. 3029 trivial. 0 not checked. [2024-12-06 05:02:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 49 states and 118 transitions. [2024-12-06 05:02:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 118 transitions. [2024-12-06 05:02:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-12-06 05:02:59,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:59,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:59,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1947 backedges. 401 proven. 383 refuted. 0 times theorem prover too weak. 1163 trivial. 0 not checked. [2024-12-06 05:03:00,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 51 states and 119 transitions. [2024-12-06 05:03:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 119 transitions. [2024-12-06 05:03:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-12-06 05:03:00,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:00,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3330 backedges. 422 proven. 737 refuted. 0 times theorem prover too weak. 2171 trivial. 0 not checked. [2024-12-06 05:03:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 51 states and 118 transitions. [2024-12-06 05:03:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 118 transitions. [2024-12-06 05:03:00,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-12-06 05:03:00,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:00,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9644 backedges. 262 proven. 1763 refuted. 0 times theorem prover too weak. 7619 trivial. 0 not checked. [2024-12-06 05:03:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:01,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 56 states and 142 transitions. [2024-12-06 05:03:01,499 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 142 transitions. [2024-12-06 05:03:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-12-06 05:03:01,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:01,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10947 backedges. 1414 proven. 1824 refuted. 0 times theorem prover too weak. 7709 trivial. 0 not checked. [2024-12-06 05:03:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 56 states and 140 transitions. [2024-12-06 05:03:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 140 transitions. [2024-12-06 05:03:02,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2024-12-06 05:03:02,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:02,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 27189 backedges. 567 proven. 3480 refuted. 0 times theorem prover too weak. 23142 trivial. 0 not checked. [2024-12-06 05:03:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 61 states and 165 transitions. [2024-12-06 05:03:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 165 transitions. [2024-12-06 05:03:04,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1637 [2024-12-06 05:03:04,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:04,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 161549 backedges. 1580 proven. 9205 refuted. 0 times theorem prover too weak. 150764 trivial. 0 not checked. [2024-12-06 05:03:08,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:08,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 61 states and 102 transitions. [2024-12-06 05:03:08,557 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2024-12-06 05:03:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 978 [2024-12-06 05:03:08,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:08,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 57222 backedges. 1299 proven. 4233 refuted. 0 times theorem prover too weak. 51690 trivial. 0 not checked. [2024-12-06 05:03:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:10,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 61 states and 96 transitions. [2024-12-06 05:03:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 96 transitions. [2024-12-06 05:03:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2024-12-06 05:03:10,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:10,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:10,951 INFO L134 CoverageAnalysis]: Checked inductivity of 20991 backedges. 1046 proven. 2050 refuted. 0 times theorem prover too weak. 17895 trivial. 0 not checked. [2024-12-06 05:03:11,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:11,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 61 states and 95 transitions. [2024-12-06 05:03:11,193 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2024-12-06 05:03:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2024-12-06 05:03:11,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:11,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3212 proven. 1991 refuted. 0 times theorem prover too weak. 45707 trivial. 0 not checked. [2024-12-06 05:03:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 61 states and 92 transitions. [2024-12-06 05:03:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2024-12-06 05:03:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2024-12-06 05:03:12,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:12,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 67194 backedges. 1669 proven. 4346 refuted. 0 times theorem prover too weak. 61179 trivial. 0 not checked. [2024-12-06 05:03:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:13,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 61 states and 87 transitions. [2024-12-06 05:03:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2024-12-06 05:03:13,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017 [2024-12-06 05:03:13,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:13,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 61929 backedges. 1185 proven. 4578 refuted. 0 times theorem prover too weak. 56166 trivial. 0 not checked. [2024-12-06 05:03:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 61 states and 80 transitions. [2024-12-06 05:03:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2024-12-06 05:03:15,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 855 [2024-12-06 05:03:15,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:15,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 2099 proven. 2698 refuted. 0 times theorem prover too weak. 38817 trivial. 0 not checked. [2024-12-06 05:03:16,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 61 states and 76 transitions. [2024-12-06 05:03:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2024-12-06 05:03:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2024-12-06 05:03:16,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:16,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 2206 proven. 652 refuted. 0 times theorem prover too weak. 21169 trivial. 0 not checked. [2024-12-06 05:03:17,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 61 states and 75 transitions. [2024-12-06 05:03:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2024-12-06 05:03:17,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2024-12-06 05:03:17,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-12-06 05:03:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 59 states and 73 transitions. [2024-12-06 05:03:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2024-12-06 05:03:39,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:03:39,575 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2024-12-06 05:03:39,582 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 05:03:39,824 INFO L77 FloydHoareUtils]: At program point fibonacciFINAL(lines 16 24) the Hoare annotation is: true [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= fibonacci_~n |fibonacci_#in~n|) (<= 2 fibonacci_~n) (<= |fibonacci_#in~n| fibonacci_~n)) [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L22-1(line 22) the Hoare annotation is: true [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L22-2(line 22) the Hoare annotation is: true [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L19(lines 19 23) the Hoare annotation is: (and (<= fibonacci_~n |fibonacci_#in~n|) (< 0 fibonacci_~n) (<= |fibonacci_#in~n| fibonacci_~n)) [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L22-3(line 22) the Hoare annotation is: true [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point fibonacciEXIT(lines 16 24) the Hoare annotation is: true [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L17(lines 17 23) the Hoare annotation is: (and (<= fibonacci_~n |fibonacci_#in~n|) (<= |fibonacci_#in~n| fibonacci_~n)) [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 16 24) the Hoare annotation is: true [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: true [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L30(lines 30 34) the Hoare annotation is: true [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= 9 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 9)) [2024-12-06 05:03:39,825 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: true [2024-12-06 05:03:39,826 INFO L77 FloydHoareUtils]: At program point L27(lines 27 35) the Hoare annotation is: true [2024-12-06 05:03:39,826 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 33) the Hoare annotation is: true [2024-12-06 05:03:39,826 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:03:39,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:03:39 ImpRootNode [2024-12-06 05:03:39,844 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:03:39,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:03:39,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:03:39,844 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:03:39,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:02:54" (3/4) ... [2024-12-06 05:03:39,850 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:03:39,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibonacci [2024-12-06 05:03:39,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 05:03:39,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 05:03:39,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 05:03:39,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 05:03:39,921 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:03:39,921 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:03:39,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:03:39,922 INFO L158 Benchmark]: Toolchain (without parser) took 45661.82ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 117.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 162.2MB. Max. memory is 16.1GB. [2024-12-06 05:03:39,922 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:03:39,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.29ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.4MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:03:39,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.60ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:03:39,923 INFO L158 Benchmark]: Boogie Preprocessor took 11.78ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.8MB in the end (delta: 626.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:03:39,923 INFO L158 Benchmark]: RCFGBuilder took 186.75ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 94.6MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:03:39,924 INFO L158 Benchmark]: CodeCheck took 45220.11ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 94.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. [2024-12-06 05:03:39,924 INFO L158 Benchmark]: Witness Printer took 77.55ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:03:39,926 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: 44.9s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2590 SdHoareTripleChecker+Valid, 16.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1504 mSDsluCounter, 3683 SdHoareTripleChecker+Invalid, 13.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2557 mSDsCounter, 3855 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11302 IncrementalHoareTripleChecker+Invalid, 15157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3855 mSolverCounterUnsat, 1126 mSDtfsCounter, 11302 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28952 GetRequests, 27709 SyntacticMatches, 909 SemanticMatches, 334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59147 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 26.3s InterpolantComputationTime, 11125 NumberOfCodeBlocks, 11125 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 11100 ConstructedInterpolants, 0 QuantifiedInterpolants, 14304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 2 PerfectInterpolantSequences, 529088/579474 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: 33]: 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.29ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.4MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.60ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.78ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.8MB in the end (delta: 626.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 186.75ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 94.6MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 45220.11ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 94.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. * Witness Printer took 77.55ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:03:39,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a5ca48-52d5-4baf-a888-d3daa2718a77/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