./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.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_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3 --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 e9f62e9366253d4fa7ecb8459a59d71535ca8498509abd809bca70a443281519 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:17:40,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:17:41,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:17:41,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:17:41,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:17:41,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:17:41,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:17:41,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:17:41,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:17:41,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:17:41,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:17:41,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:17:41,066 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:17:41,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:17:41,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:17:41,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:17:41,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:17:41,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:17:41,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:17:41,067 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:17:41,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:17:41,067 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:17:41,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:17:41,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:17:41,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:17:41,067 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:17:41,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:17:41,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:17:41,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:17:41,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:17:41,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:17:41,068 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:17:41,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:17:41,068 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_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3 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 -> e9f62e9366253d4fa7ecb8459a59d71535ca8498509abd809bca70a443281519 [2024-11-25 04:17:41,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:17:41,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:17:41,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:17:41,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:17:41,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:17:41,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2024-11-25 04:17:44,333 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/data/38fc4b884/a8156ea10c1f48c8b436fc2eaa3eeba1/FLAG7329a677a [2024-11-25 04:17:44,595 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:17:44,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2024-11-25 04:17:44,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/data/38fc4b884/a8156ea10c1f48c8b436fc2eaa3eeba1/FLAG7329a677a [2024-11-25 04:17:44,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/data/38fc4b884/a8156ea10c1f48c8b436fc2eaa3eeba1 [2024-11-25 04:17:44,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:17:44,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:17:44,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:17:44,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:17:44,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:17:44,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528c1e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44, skipping insertion in model container [2024-11-25 04:17:44,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:17:44,870 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_c3a45a39-6261-41b2-b277-def5556236d2/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c[951,964] [2024-11-25 04:17:44,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:17:44,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:17:44,903 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_c3a45a39-6261-41b2-b277-def5556236d2/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c[951,964] [2024-11-25 04:17:44,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:17:44,920 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:17:44,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44 WrapperNode [2024-11-25 04:17:44,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:17:44,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:17:44,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:17:44,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:17:44,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,953 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-25 04:17:44,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:17:44,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:17:44,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:17:44,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:17:44,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:17:44,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:17:44,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:17:44,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:17:44,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:44" (1/1) ... [2024-11-25 04:17:44,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:17:45,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:17:45,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:17:45,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3a45a39-6261-41b2-b277-def5556236d2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:17:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:17:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:17:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2024-11-25 04:17:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2024-11-25 04:17:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2024-11-25 04:17:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2024-11-25 04:17:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:17:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:17:45,112 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:17:45,114 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:17:45,270 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 04:17:45,270 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:17:45,304 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:17:45,305 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:17:45,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:17:45 BoogieIcfgContainer [2024-11-25 04:17:45,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:17:45,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:17:45,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:17:45,320 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:17:45,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:17:45" (1/1) ... [2024-11-25 04:17:45,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:17:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-25 04:17:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-25 04:17:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:17:45,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:45,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:17:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2024-11-25 04:17:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-25 04:17:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:17:45,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:45,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:17:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 41 transitions. [2024-11-25 04:17:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-11-25 04:17:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:17:46,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:46,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:17:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:46,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 45 transitions. [2024-11-25 04:17:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-25 04:17:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:17:46,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:46,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:17:47,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:47,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 59 transitions. [2024-11-25 04:17:47,152 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2024-11-25 04:17:47,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:17:47,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:47,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:17:47,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 58 transitions. [2024-11-25 04:17:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-11-25 04:17:47,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:17:47,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:47,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 04:17:48,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 55 transitions. [2024-11-25 04:17:48,746 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2024-11-25 04:17:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:17:48,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:48,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:17:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 74 transitions. [2024-11-25 04:17:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2024-11-25 04:17:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 04:17:49,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:49,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 04:17:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 73 transitions. [2024-11-25 04:17:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-25 04:17:50,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 04:17:50,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:50,807 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 04:17:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 52 states and 79 transitions. [2024-11-25 04:17:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2024-11-25 04:17:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 04:17:52,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:52,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 9 proven. 62 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-25 04:17:53,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 100 transitions. [2024-11-25 04:17:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2024-11-25 04:17:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-25 04:17:53,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:53,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 44 proven. 193 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-25 04:17:54,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 124 transitions. [2024-11-25 04:17:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2024-11-25 04:17:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-25 04:17:54,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:54,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 140 proven. 168 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-25 04:17:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 72 states and 122 transitions. [2024-11-25 04:17:56,413 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 122 transitions. [2024-11-25 04:17:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-25 04:17:56,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:56,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 72 proven. 370 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2024-11-25 04:17:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 82 states and 147 transitions. [2024-11-25 04:17:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 147 transitions. [2024-11-25 04:17:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-11-25 04:17:58,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:58,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 9021 backedges. 231 proven. 1194 refuted. 0 times theorem prover too weak. 7596 trivial. 0 not checked. [2024-11-25 04:18:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:00,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 92 states and 175 transitions. [2024-11-25 04:18:00,697 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 175 transitions. [2024-11-25 04:18:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2024-11-25 04:18:00,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:00,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 12466 backedges. 246 proven. 1693 refuted. 0 times theorem prover too weak. 10527 trivial. 0 not checked. [2024-11-25 04:18:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 102 states and 206 transitions. [2024-11-25 04:18:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 206 transitions. [2024-11-25 04:18:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2024-11-25 04:18:03,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 20893 backedges. 1491 proven. 954 refuted. 0 times theorem prover too weak. 18448 trivial. 0 not checked. [2024-11-25 04:18:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 102 states and 205 transitions. [2024-11-25 04:18:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 205 transitions. [2024-11-25 04:18:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2024-11-25 04:18:05,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:05,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:08,687 INFO L134 CoverageAnalysis]: Checked inductivity of 24485 backedges. 1839 proven. 2497 refuted. 0 times theorem prover too weak. 20149 trivial. 0 not checked. [2024-11-25 04:18:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 102 states and 203 transitions. [2024-11-25 04:18:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 203 transitions. [2024-11-25 04:18:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2557 [2024-11-25 04:18:09,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:09,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 197715 backedges. 1005 proven. 8219 refuted. 0 times theorem prover too weak. 188491 trivial. 0 not checked. [2024-11-25 04:18:18,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 112 states and 234 transitions. [2024-11-25 04:18:18,512 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 234 transitions. [2024-11-25 04:18:18,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2073 [2024-11-25 04:18:18,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:18,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 129547 backedges. 1653 proven. 8108 refuted. 0 times theorem prover too weak. 119786 trivial. 0 not checked. [2024-11-25 04:18:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 112 states and 232 transitions. [2024-11-25 04:18:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 232 transitions. [2024-11-25 04:18:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2209 [2024-11-25 04:18:24,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:24,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 147343 backedges. 972 proven. 7848 refuted. 0 times theorem prover too weak. 138523 trivial. 0 not checked. [2024-11-25 04:18:31,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 122 states and 266 transitions. [2024-11-25 04:18:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 266 transitions. [2024-11-25 04:18:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2598 [2024-11-25 04:18:31,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:31,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 204226 backedges. 1364 proven. 10116 refuted. 0 times theorem prover too weak. 192746 trivial. 0 not checked. [2024-11-25 04:18:40,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:40,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 132 states and 303 transitions. [2024-11-25 04:18:40,585 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 303 transitions. [2024-11-25 04:18:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3673 [2024-11-25 04:18:40,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:40,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:51,518 INFO L134 CoverageAnalysis]: Checked inductivity of 408635 backedges. 3197 proven. 13217 refuted. 0 times theorem prover too weak. 392221 trivial. 0 not checked. [2024-11-25 04:18:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 134 states and 305 transitions. [2024-11-25 04:18:51,984 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 305 transitions. [2024-11-25 04:18:52,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6691 [2024-11-25 04:18:52,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:52,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:18:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1362560 backedges. 3363 proven. 25033 refuted. 0 times theorem prover too weak. 1334164 trivial. 0 not checked. [2024-11-25 04:19:19,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 136 states and 307 transitions. [2024-11-25 04:19:19,172 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 307 transitions. [2024-11-25 04:19:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6136 [2024-11-25 04:19:19,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:19,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:19:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1143810 backedges. 4995 proven. 17443 refuted. 0 times theorem prover too weak. 1121372 trivial. 0 not checked. [2024-11-25 04:19:51,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 136 states and 306 transitions. [2024-11-25 04:19:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 306 transitions. [2024-11-25 04:19:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7077 [2024-11-25 04:19:51,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:51,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:19:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1521789 backedges. 6248 proven. 22580 refuted. 0 times theorem prover too weak. 1492961 trivial. 0 not checked. [2024-11-25 04:20:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 136 states and 305 transitions. [2024-11-25 04:20:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 305 transitions. [2024-11-25 04:20:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8277 [2024-11-25 04:20:36,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:36,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:20:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2082715 backedges. 3511 proven. 37236 refuted. 0 times theorem prover too weak. 2041968 trivial. 0 not checked. [2024-11-25 04:21:43,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 146 states and 345 transitions. [2024-11-25 04:21:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 345 transitions. [2024-11-25 04:21:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23965 [2024-11-25 04:21:45,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:45,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 17495695 backedges. 10172 proven. 118606 refuted. 0 times theorem prover too weak. 17366917 trivial. 0 not checked. [2024-11-25 04:31:48,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 156 states and 388 transitions. [2024-11-25 04:31:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 388 transitions. [2024-11-25 04:31:49,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7514 [2024-11-25 04:31:49,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:49,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1715615 backedges. 8715 proven. 34653 refuted. 0 times theorem prover too weak. 1672247 trivial. 0 not checked. [2024-11-25 04:32:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 158 states and 390 transitions. [2024-11-25 04:32:39,938 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 390 transitions. [2024-11-25 04:32:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8971 [2024-11-25 04:32:40,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:40,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:32:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat