./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_palindrome_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_palindrome_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL --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 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:51,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:51,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:44:51,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:51,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:51,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:51,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:51,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:51,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:51,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:51,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:51,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:51,439 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:51,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:51,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:51,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:51,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:51,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:51,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:51,443 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:51,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:51,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:51,444 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:51,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:51,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:51,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:51,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:51,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:51,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:51,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:51,448 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:51,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:51,449 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:51,449 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_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 [2023-11-19 02:44:51,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:51,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:51,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:51,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:51,730 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:51,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2023-11-19 02:44:54,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:54,994 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:54,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2023-11-19 02:44:55,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/data/fdcc63f57/4904254ece1a4e9bb083b6378af207ac/FLAGf15ed6a33 [2023-11-19 02:44:55,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/data/fdcc63f57/4904254ece1a4e9bb083b6378af207ac [2023-11-19 02:44:55,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:55,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:55,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:55,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:55,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:55,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434ba65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55, skipping insertion in model container [2023-11-19 02:44:55,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:55,230 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_73b702f9-f240-4c53-a90b-0aa2e11c9de5/sv-benchmarks/c/array-examples/standard_palindrome_ground.i[819,832] [2023-11-19 02:44:55,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:55,254 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:55,265 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_73b702f9-f240-4c53-a90b-0aa2e11c9de5/sv-benchmarks/c/array-examples/standard_palindrome_ground.i[819,832] [2023-11-19 02:44:55,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:55,287 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:55,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55 WrapperNode [2023-11-19 02:44:55,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:55,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:55,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:55,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:55,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,323 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-11-19 02:44:55,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:55,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:55,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:55,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:55,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:55,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:55,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:55,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:55,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:55,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:55,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:55,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b702f9-f240-4c53-a90b-0aa2e11c9de5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:55,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:44:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:44:55,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:55,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:55,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:44:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:44:55,520 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:55,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:55,757 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:55,824 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:55,824 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:44:55,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:55 BoogieIcfgContainer [2023-11-19 02:44:55,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:55,831 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:55,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:55,842 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:55,842 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:55" (1/1) ... [2023-11-19 02:44:55,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-19 02:44:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-19 02:44:55,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:44:55,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:55,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:56,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-19 02:44:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-19 02:44:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:44:56,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:56,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:44:56,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-19 02:44:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-19 02:44:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:44:56,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:56,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:56,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 02:44:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 02:44:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:44:56,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:56,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:56,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-19 02:44:56,695 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-19 02:44:56,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:44:56,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:56,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:56,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-11-19 02:44:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-11-19 02:44:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:44:56,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:56,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:57,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 02:44:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 02:44:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:44:57,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:57,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-11-19 02:44:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-11-19 02:44:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:44:57,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:57,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-19 02:44:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-19 02:44:57,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:44:57,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:57,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-11-19 02:44:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-11-19 02:44:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:44:57,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:57,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-19 02:44:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 02:44:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:44:57,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:57,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-19 02:44:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-19 02:44:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:44:57,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:57,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-19 02:44:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-19 02:44:58,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:44:58,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:58,357 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:58,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-19 02:44:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-19 02:44:58,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:44:58,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:58,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:58,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-11-19 02:44:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-19 02:44:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:44:58,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:58,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-11-19 02:44:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-19 02:44:59,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:44:59,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:59,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:59,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-19 02:44:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-19 02:44:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:44:59,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:59,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:44:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2023-11-19 02:44:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-19 02:44:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:44:59,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:59,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-19 02:45:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 02:45:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:45:00,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-19 02:45:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-19 02:45:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:45:00,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:00,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-11-19 02:45:00,891 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-19 02:45:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:45:00,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:00,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-11-19 02:45:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-11-19 02:45:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:45:01,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:01,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:01,584 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2023-11-19 02:45:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-11-19 02:45:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:45:01,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:01,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-19 02:45:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-19 02:45:02,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:45:02,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:02,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:02,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-19 02:45:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-19 02:45:02,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:45:02,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:02,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:02,895 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:03,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2023-11-19 02:45:03,058 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-11-19 02:45:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:45:03,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:03,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 35 states and 40 transitions. [2023-11-19 02:45:03,549 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-19 02:45:03,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:45:03,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:03,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:04,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2023-11-19 02:45:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-11-19 02:45:04,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:45:04,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:04,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:04,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2023-11-19 02:45:04,611 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-19 02:45:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:45:04,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:04,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2023-11-19 02:45:05,139 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-11-19 02:45:05,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:45:05,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:05,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:05,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:05,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2023-11-19 02:45:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-11-19 02:45:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:45:05,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:05,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2023-11-19 02:45:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-19 02:45:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:45:06,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:06,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 41 states and 46 transitions. [2023-11-19 02:45:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2023-11-19 02:45:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:45:06,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:06,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2023-11-19 02:45:07,562 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2023-11-19 02:45:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:45:07,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2023-11-19 02:45:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2023-11-19 02:45:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:45:08,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:08,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:08,728 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2023-11-19 02:45:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2023-11-19 02:45:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:45:08,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:08,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:09,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2023-11-19 02:45:09,624 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-11-19 02:45:09,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:45:09,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:09,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:10,072 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-11-19 02:45:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-19 02:45:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:45:10,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:10,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:10,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2023-11-19 02:45:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-11-19 02:45:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:45:10,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:10,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 48 states and 53 transitions. [2023-11-19 02:45:11,652 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-11-19 02:45:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:45:11,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:11,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-19 02:45:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-19 02:45:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:45:12,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:12,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:13,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 50 states and 55 transitions. [2023-11-19 02:45:13,173 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2023-11-19 02:45:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:45:13,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:13,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:13,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 51 states and 56 transitions. [2023-11-19 02:45:13,971 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-19 02:45:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:45:13,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:13,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:14,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-19 02:45:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-19 02:45:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:45:14,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:14,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:15,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:15,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2023-11-19 02:45:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-11-19 02:45:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:45:15,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:15,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2023-11-19 02:45:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2023-11-19 02:45:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:45:16,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:16,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2023-11-19 02:45:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2023-11-19 02:45:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:45:17,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:17,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:18,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 56 states and 61 transitions. [2023-11-19 02:45:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2023-11-19 02:45:18,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:45:18,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:18,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 57 states and 62 transitions. [2023-11-19 02:45:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2023-11-19 02:45:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:45:19,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:19,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:20,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 58 states and 63 transitions. [2023-11-19 02:45:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2023-11-19 02:45:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:45:20,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:20,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 59 states and 64 transitions. [2023-11-19 02:45:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2023-11-19 02:45:21,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:45:21,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:21,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:22,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2023-11-19 02:45:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-19 02:45:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:45:22,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:22,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:23,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2023-11-19 02:45:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2023-11-19 02:45:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:45:23,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:23,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 62 states and 67 transitions. [2023-11-19 02:45:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2023-11-19 02:45:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:45:24,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:24,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:25,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2023-11-19 02:45:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2023-11-19 02:45:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:45:25,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:25,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:26,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2023-11-19 02:45:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2023-11-19 02:45:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:45:26,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:26,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:26,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:27,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2023-11-19 02:45:27,280 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2023-11-19 02:45:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:45:27,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:27,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 66 states and 71 transitions. [2023-11-19 02:45:28,285 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2023-11-19 02:45:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:45:28,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:28,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:29,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2023-11-19 02:45:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2023-11-19 02:45:29,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:45:29,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:29,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:30,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 68 states and 73 transitions. [2023-11-19 02:45:30,282 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2023-11-19 02:45:30,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:45:30,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:30,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 69 states and 74 transitions. [2023-11-19 02:45:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2023-11-19 02:45:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:45:31,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:32,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 70 states and 75 transitions. [2023-11-19 02:45:32,405 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2023-11-19 02:45:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:45:32,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:32,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 71 states and 76 transitions. [2023-11-19 02:45:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2023-11-19 02:45:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:45:33,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:33,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1833 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:34,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 72 states and 77 transitions. [2023-11-19 02:45:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2023-11-19 02:45:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:45:34,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:34,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:35,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:35,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2023-11-19 02:45:35,621 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2023-11-19 02:45:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:45:35,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:35,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:36,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 74 states and 79 transitions. [2023-11-19 02:45:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2023-11-19 02:45:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:45:36,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:37,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2019 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 75 states and 80 transitions. [2023-11-19 02:45:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2023-11-19 02:45:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 02:45:37,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:37,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2083 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:45:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 76 states and 81 transitions. [2023-11-19 02:45:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2023-11-19 02:45:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:45:39,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:39,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:39,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2148 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.