./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_25-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9 --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 9030972e60093099261ffd255cd123d40a9b99982e16d5d1c2c77af1369268fd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:05:26,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:05:26,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:05:26,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:05:26,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:05:26,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:05:26,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:05:26,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:05:26,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:05:26,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:05:26,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:05:26,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:05:26,432 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:05:26,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:05:26,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:05:26,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:05:26,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:05:26,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:05:26,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:05:26,436 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:05:26,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:05:26,437 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:05:26,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:05:26,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:05:26,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:05:26,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:05:26,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:05:26,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:05:26,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:05:26,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:05:26,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:05:26,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:05:26,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:05:26,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9030972e60093099261ffd255cd123d40a9b99982e16d5d1c2c77af1369268fd [2023-12-03 04:05:26,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:05:26,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:05:26,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:05:26,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:05:26,687 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:05:26,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2023-12-03 04:05:29,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:05:29,697 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:05:29,698 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2023-12-03 04:05:29,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/data/4e743ee1c/28dae41b2b254ecbb2701f9de133c6bd/FLAG9f7caa1bf [2023-12-03 04:05:29,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/data/4e743ee1c/28dae41b2b254ecbb2701f9de133c6bd [2023-12-03 04:05:29,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:05:29,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:05:29,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:05:29,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:05:29,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:05:29,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:05:29" (1/1) ... [2023-12-03 04:05:29,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b64210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:29, skipping insertion in model container [2023-12-03 04:05:29,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:05:29" (1/1) ... [2023-12-03 04:05:29,769 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:05:29,967 WARN L240 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_84da1bdb-f280-46ef-af06-5a4fda30e5d5/sv-benchmarks/c/recursive-simple/fibo_25-2.c[746,759] [2023-12-03 04:05:29,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:05:29,988 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:05:30,007 WARN L240 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_84da1bdb-f280-46ef-af06-5a4fda30e5d5/sv-benchmarks/c/recursive-simple/fibo_25-2.c[746,759] [2023-12-03 04:05:30,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:05:30,025 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:05:30,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30 WrapperNode [2023-12-03 04:05:30,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:05:30,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:05:30,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:05:30,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:05:30,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,066 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2023-12-03 04:05:30,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:05:30,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:05:30,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:05:30,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:05:30,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:05:30,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:05:30,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:05:30,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:05:30,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:05:30,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:05:30,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:05:30,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84da1bdb-f280-46ef-af06-5a4fda30e5d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:05:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:05:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:05:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:05:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:05:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2023-12-03 04:05:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2023-12-03 04:05:30,207 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:05:30,208 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:05:30,304 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:05:30,324 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:05:30,325 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:05:30,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:05:30 BoogieIcfgContainer [2023-12-03 04:05:30,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:05:30,327 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:05:30,327 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:05:30,335 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:05:30,335 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:05:30" (1/1) ... [2023-12-03 04:05:30,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:05:30,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 04:05:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 04:05:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:05:30,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:30,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 25 transitions. [2023-12-03 04:05:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-12-03 04:05:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:05:30,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:30,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:30,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 29 transitions. [2023-12-03 04:05:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-12-03 04:05:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:05:30,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:30,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:05:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:31,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 28 transitions. [2023-12-03 04:05:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-03 04:05:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:05:31,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:31,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:05:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 40 transitions. [2023-12-03 04:05:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-12-03 04:05:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 04:05:31,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:31,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 04:05:32,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 47 transitions. [2023-12-03 04:05:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-12-03 04:05:32,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 04:05:32,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:32,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 04:05:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 62 transitions. [2023-12-03 04:05:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-12-03 04:05:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:05:32,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:32,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 04:05:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 61 transitions. [2023-12-03 04:05:32,891 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-12-03 04:05:32,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 04:05:32,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:32,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 04:05:33,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 78 transitions. [2023-12-03 04:05:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2023-12-03 04:05:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 04:05:33,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:33,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 131 proven. 122 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-12-03 04:05:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 39 states and 77 transitions. [2023-12-03 04:05:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2023-12-03 04:05:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-03 04:05:33,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:33,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 326 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:05:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 44 states and 96 transitions. [2023-12-03 04:05:34,429 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 96 transitions. [2023-12-03 04:05:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-03 04:05:34,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 117 proven. 639 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2023-12-03 04:05:35,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:35,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 49 states and 118 transitions. [2023-12-03 04:05:35,343 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 118 transitions. [2023-12-03 04:05:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2023-12-03 04:05:35,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:35,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:35,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 268 proven. 1524 refuted. 0 times theorem prover too weak. 5966 trivial. 0 not checked. [2023-12-03 04:05:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:36,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 54 states and 143 transitions. [2023-12-03 04:05:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 143 transitions. [2023-12-03 04:05:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-12-03 04:05:36,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:36,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3330 backedges. 606 proven. 472 refuted. 0 times theorem prover too weak. 2252 trivial. 0 not checked. [2023-12-03 04:05:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 56 states and 144 transitions. [2023-12-03 04:05:37,366 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 144 transitions. [2023-12-03 04:05:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2023-12-03 04:05:37,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:37,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10947 backedges. 1414 proven. 1824 refuted. 0 times theorem prover too weak. 7709 trivial. 0 not checked. [2023-12-03 04:05:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 56 states and 142 transitions. [2023-12-03 04:05:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 142 transitions. [2023-12-03 04:05:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2023-12-03 04:05:38,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:38,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 17304 backedges. 433 proven. 2734 refuted. 0 times theorem prover too weak. 14137 trivial. 0 not checked. [2023-12-03 04:05:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:40,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 61 states and 167 transitions. [2023-12-03 04:05:40,257 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 167 transitions. [2023-12-03 04:05:40,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 978 [2023-12-03 04:05:40,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:40,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 57222 backedges. 884 proven. 5869 refuted. 0 times theorem prover too weak. 50469 trivial. 0 not checked. [2023-12-03 04:05:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 66 states and 195 transitions. [2023-12-03 04:05:42,515 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 195 transitions. [2023-12-03 04:05:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1085 [2023-12-03 04:05:42,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:42,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 70569 backedges. 4726 proven. 4214 refuted. 0 times theorem prover too weak. 61629 trivial. 0 not checked. [2023-12-03 04:05:45,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 68 states and 196 transitions. [2023-12-03 04:05:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2023-12-03 04:05:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1020 [2023-12-03 04:05:45,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:45,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:46,881 INFO L134 CoverageAnalysis]: Checked inductivity of 62289 backedges. 1240 proven. 4266 refuted. 0 times theorem prover too weak. 56783 trivial. 0 not checked. [2023-12-03 04:05:47,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:47,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 68 states and 194 transitions. [2023-12-03 04:05:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 194 transitions. [2023-12-03 04:05:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2023-12-03 04:05:47,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:47,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:49,001 INFO L134 CoverageAnalysis]: Checked inductivity of 63903 backedges. 3971 proven. 4517 refuted. 0 times theorem prover too weak. 55415 trivial. 0 not checked. [2023-12-03 04:05:49,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 70 states and 196 transitions. [2023-12-03 04:05:49,368 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 196 transitions. [2023-12-03 04:05:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2023-12-03 04:05:49,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:49,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 63903 backedges. 3971 proven. 4517 refuted. 0 times theorem prover too weak. 55415 trivial. 0 not checked. [2023-12-03 04:05:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 70 states and 196 transitions. [2023-12-03 04:05:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 196 transitions. [2023-12-03 04:05:51,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2445 [2023-12-03 04:05:51,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:51,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 361809 backedges. 2172 proven. 17386 refuted. 0 times theorem prover too weak. 342251 trivial. 0 not checked. [2023-12-03 04:05:59,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 75 states and 226 transitions. [2023-12-03 04:05:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 226 transitions. [2023-12-03 04:05:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4077 [2023-12-03 04:05:59,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:59,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1009089 backedges. 3522 proven. 32835 refuted. 0 times theorem prover too weak. 972732 trivial. 0 not checked. [2023-12-03 04:06:18,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 80 states and 259 transitions. [2023-12-03 04:06:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 259 transitions. [2023-12-03 04:06:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3669 [2023-12-03 04:06:18,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:18,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 816813 backedges. 4068 proven. 31028 refuted. 0 times theorem prover too weak. 781717 trivial. 0 not checked. [2023-12-03 04:06:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 82 states and 261 transitions. [2023-12-03 04:06:30,413 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 261 transitions. [2023-12-03 04:06:30,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2219 [2023-12-03 04:06:30,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:30,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 297744 backedges. 4675 proven. 18451 refuted. 0 times theorem prover too weak. 274618 trivial. 0 not checked. [2023-12-03 04:06:36,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:36,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 84 states and 263 transitions. [2023-12-03 04:06:36,097 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 263 transitions. [2023-12-03 04:06:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4902 [2023-12-03 04:06:36,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:36,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1459764 backedges. 5183 proven. 42742 refuted. 0 times theorem prover too weak. 1411839 trivial. 0 not checked. [2023-12-03 04:07:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 89 states and 299 transitions. [2023-12-03 04:07:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 299 transitions. [2023-12-03 04:07:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2475 [2023-12-03 04:07:07,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 370750 backedges. 5209 proven. 22172 refuted. 0 times theorem prover too weak. 343369 trivial. 0 not checked. [2023-12-03 04:07:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 89 states and 299 transitions. [2023-12-03 04:07:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 299 transitions. [2023-12-03 04:07:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4141 [2023-12-03 04:07:14,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:14,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1040961 backedges. 7462 proven. 31666 refuted. 0 times theorem prover too weak. 1001833 trivial. 0 not checked. [2023-12-03 04:07:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 89 states and 299 transitions. [2023-12-03 04:07:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 299 transitions. [2023-12-03 04:07:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2121 [2023-12-03 04:07:28,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:28,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 271935 backedges. 15793 proven. 7298 refuted. 0 times theorem prover too weak. 248844 trivial. 0 not checked. [2023-12-03 04:07:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 91 states and 300 transitions. [2023-12-03 04:07:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 300 transitions. [2023-12-03 04:07:35,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4287 [2023-12-03 04:07:35,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:35,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1115874 backedges. 10458 proven. 24280 refuted. 0 times theorem prover too weak. 1081136 trivial. 0 not checked. [2023-12-03 04:07:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 91 states and 298 transitions. [2023-12-03 04:07:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 298 transitions. [2023-12-03 04:07:52,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8177 [2023-12-03 04:07:52,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:52,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4067939 backedges. 20065 proven. 82496 refuted. 0 times theorem prover too weak. 3965378 trivial. 0 not checked. [2023-12-03 04:09:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 91 states and 296 transitions. [2023-12-03 04:09:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 296 transitions. [2023-12-03 04:09:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5723 [2023-12-03 04:09:14,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:14,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:09:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1990718 backedges. 16561 proven. 54884 refuted. 0 times theorem prover too weak. 1919273 trivial. 0 not checked. [2023-12-03 04:10:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 91 states and 296 transitions. [2023-12-03 04:10:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 296 transitions. [2023-12-03 04:10:01,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10617 [2023-12-03 04:10:01,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:01,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:10:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6861879 backedges. 15448 proven. 107614 refuted. 0 times theorem prover too weak. 6738817 trivial. 0 not checked. [2023-12-03 04:12:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 91 states and 296 transitions. [2023-12-03 04:12:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 296 transitions. [2023-12-03 04:12:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7249 [2023-12-03 04:12:01,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:01,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:12:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3196083 backedges. 10532 proven. 70697 refuted. 0 times theorem prover too weak. 3114854 trivial. 0 not checked. [2023-12-03 04:12:48,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 91 states and 296 transitions. [2023-12-03 04:12:48,817 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 296 transitions. [2023-12-03 04:12:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4141 [2023-12-03 04:12:48,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:48,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:12:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1040961 backedges. 8393 proven. 30735 refuted. 0 times theorem prover too weak. 1001833 trivial. 0 not checked. [2023-12-03 04:13:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 91 states and 296 transitions. [2023-12-03 04:13:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 296 transitions. [2023-12-03 04:13:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8005 [2023-12-03 04:13:02,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:13:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3898589 backedges. 11572 proven. 60505 refuted. 0 times theorem prover too weak. 3826512 trivial. 0 not checked. [2023-12-03 04:14:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 91 states and 295 transitions. [2023-12-03 04:14:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2023-12-03 04:14:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7845 [2023-12-03 04:14:04,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:04,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:14:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3744045 backedges. 9213 proven. 79894 refuted. 0 times theorem prover too weak. 3654938 trivial. 0 not checked. [2023-12-03 04:14:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 91 states and 295 transitions. [2023-12-03 04:14:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2023-12-03 04:14:59,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5307 [2023-12-03 04:14:59,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:59,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1711494 backedges. 8433 proven. 51508 refuted. 0 times theorem prover too weak. 1651553 trivial. 0 not checked. [2023-12-03 04:15:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 91 states and 295 transitions. [2023-12-03 04:15:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2023-12-03 04:15:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8493 [2023-12-03 04:15:28,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:28,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4389057 backedges. 9603 proven. 86968 refuted. 0 times theorem prover too weak. 4292486 trivial. 0 not checked. [2023-12-03 04:16:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 91 states and 295 transitions. [2023-12-03 04:16:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2023-12-03 04:16:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6105 [2023-12-03 04:16:30,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:30,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:16:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2265799 backedges. 6803 proven. 37819 refuted. 0 times theorem prover too weak. 2221177 trivial. 0 not checked. [2023-12-03 04:17:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:04,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 91 states and 294 transitions. [2023-12-03 04:17:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 294 transitions. [2023-12-03 04:17:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3882 [2023-12-03 04:17:04,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:04,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 914544 backedges. 7633 proven. 28998 refuted. 0 times theorem prover too weak. 877913 trivial. 0 not checked. [2023-12-03 04:17:16,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 91 states and 294 transitions. [2023-12-03 04:17:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 294 transitions. [2023-12-03 04:17:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3715 [2023-12-03 04:17:16,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 837404 backedges. 29422 proven. 14732 refuted. 0 times theorem prover too weak. 793250 trivial. 0 not checked. [2023-12-03 04:17:35,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 91 states and 293 transitions. [2023-12-03 04:17:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 293 transitions. [2023-12-03 04:17:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5145 [2023-12-03 04:17:36,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:36,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1608399 backedges. 42290 proven. 27739 refuted. 0 times theorem prover too weak. 1538370 trivial. 0 not checked. [2023-12-03 04:18:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 91 states and 292 transitions. [2023-12-03 04:18:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 292 transitions. [2023-12-03 04:18:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9149 [2023-12-03 04:18:21,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:21,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 5093993 backedges. 8274 proven. 89544 refuted. 0 times theorem prover too weak. 4996175 trivial. 0 not checked. [2023-12-03 04:19:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:47,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 96 states and 328 transitions. [2023-12-03 04:19:47,798 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 328 transitions. [2023-12-03 04:19:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13725 [2023-12-03 04:19:49,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:49,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:19:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat