./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.04.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/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_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.04.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/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_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/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 9e8eec1743df688e821561fda517f1945d9b8e3e5029879578d4191f60280f1b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:23,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:23,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:05:23,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:23,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:23,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:23,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:23,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:23,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:23,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:23,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:23,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:23,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:23,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:23,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:23,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:23,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:23,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:23,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:23,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:23,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:23,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:23,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:23,176 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:23,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:23,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:23,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:23,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:23,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:23,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:23,180 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:23,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:23,181 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:23,181 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_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e8eec1743df688e821561fda517f1945d9b8e3e5029879578d4191f60280f1b [2023-11-19 03:05:23,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:23,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:23,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:23,503 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:23,504 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:23,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.04.cil-1.c [2023-11-19 03:05:26,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:27,178 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:27,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/sv-benchmarks/c/combinations/Problem05_label42+token_ring.04.cil-1.c [2023-11-19 03:05:27,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/data/ecb4a8170/caeef120b9414e9fb7d6ea277540f405/FLAG869972b54 [2023-11-19 03:05:27,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/data/ecb4a8170/caeef120b9414e9fb7d6ea277540f405 [2023-11-19 03:05:27,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:27,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:27,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:27,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:27,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:27,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:27" (1/1) ... [2023-11-19 03:05:27,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256a43bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:27, skipping insertion in model container [2023-11-19 03:05:27,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:27" (1/1) ... [2023-11-19 03:05:27,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:30,045 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_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/sv-benchmarks/c/combinations/Problem05_label42+token_ring.04.cil-1.c[378560,378573] [2023-11-19 03:05:30,076 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_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/sv-benchmarks/c/combinations/Problem05_label42+token_ring.04.cil-1.c[383339,383352] [2023-11-19 03:05:30,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:30,322 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:31,616 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_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/sv-benchmarks/c/combinations/Problem05_label42+token_ring.04.cil-1.c[378560,378573] [2023-11-19 03:05:31,625 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_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/sv-benchmarks/c/combinations/Problem05_label42+token_ring.04.cil-1.c[383339,383352] [2023-11-19 03:05:31,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:31,725 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:31,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31 WrapperNode [2023-11-19 03:05:31,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:31,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:31,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:31,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:31,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,511 INFO L138 Inliner]: procedures = 52, calls = 53, calls flagged for inlining = 30, calls inlined = 30, statements flattened = 12748 [2023-11-19 03:05:32,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:32,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:32,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:32,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:32,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:32,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:32,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:32,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:32,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:32,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:32,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:33,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:33,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5d0c43-9919-4b3d-a1f0-f4ff72334c95/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-19 03:05:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-19 03:05:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 03:05:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 03:05:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-19 03:05:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-19 03:05:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-19 03:05:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-19 03:05:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-19 03:05:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-19 03:05:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-19 03:05:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-19 03:05:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:33,209 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:33,212 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:42,653 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:45,209 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:45,209 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:05:45,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:45 BoogieIcfgContainer [2023-11-19 03:05:45,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:45,226 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:45,226 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:45,237 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:45,238 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:45" (1/1) ... [2023-11-19 03:05:45,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 1748 states and 3426 transitions. [2023-11-19 03:05:45,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 3426 transitions. [2023-11-19 03:05:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:45,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:45,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:45,904 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 03:05:46,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 1762 states and 3452 transitions. [2023-11-19 03:05:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 3452 transitions. [2023-11-19 03:05:46,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:46,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:46,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:46,271 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 03:05:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 1763 states and 3452 transitions. [2023-11-19 03:05:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 3452 transitions. [2023-11-19 03:05:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:46,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:46,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:46,449 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 03:05:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 1764 states and 3452 transitions. [2023-11-19 03:05:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 3452 transitions. [2023-11-19 03:05:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:46,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:46,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:46,587 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 03:05:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 1765 states and 3452 transitions. [2023-11-19 03:05:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 3452 transitions. [2023-11-19 03:05:46,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:46,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:46,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:46,747 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 03:05:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 1766 states and 3452 transitions. [2023-11-19 03:05:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 3452 transitions. [2023-11-19 03:05:46,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:46,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:46,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:46,962 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 03:05:47,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 1775 states and 3469 transitions. [2023-11-19 03:05:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 3469 transitions. [2023-11-19 03:05:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:47,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,262 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 03:05:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 1776 states and 3469 transitions. [2023-11-19 03:05:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 3469 transitions. [2023-11-19 03:05:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:47,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,396 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 03:05:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 1777 states and 3469 transitions. [2023-11-19 03:05:47,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 3469 transitions. [2023-11-19 03:05:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:47,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,510 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 03:05:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 1782 states and 3480 transitions. [2023-11-19 03:05:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 3480 transitions. [2023-11-19 03:05:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:47,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,776 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 03:05:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 1783 states and 3480 transitions. [2023-11-19 03:05:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 3480 transitions. [2023-11-19 03:05:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:05:47,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,849 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 03:05:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 1791 states and 3494 transitions. [2023-11-19 03:05:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 3494 transitions. [2023-11-19 03:05:47,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:05:47,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:49,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 1810 states and 3532 transitions. [2023-11-19 03:05:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 3532 transitions. [2023-11-19 03:05:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:05:49,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:49,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:50,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3581 states to 1812 states and 3537 transitions. [2023-11-19 03:05:50,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 3537 transitions. [2023-11-19 03:05:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:05:50,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:50,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:51,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 1823 states and 3560 transitions. [2023-11-19 03:05:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 3560 transitions. [2023-11-19 03:05:51,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:05:51,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:51,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:52,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 1824 states and 3561 transitions. [2023-11-19 03:05:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 3561 transitions. [2023-11-19 03:05:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:05:52,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:52,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 1825 states and 3562 transitions. [2023-11-19 03:05:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 3562 transitions. [2023-11-19 03:05:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:05:52,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:52,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 1826 states and 3563 transitions. [2023-11-19 03:05:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 3563 transitions. [2023-11-19 03:05:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:05:52,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:52,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:05:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 1814 states and 3540 transitions. [2023-11-19 03:05:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 3540 transitions. [2023-11-19 03:05:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:05:52,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:52,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:55,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 1836 states and 3586 transitions. [2023-11-19 03:05:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 3586 transitions. [2023-11-19 03:05:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:05:55,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:55,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:56,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 1838 states and 3591 transitions. [2023-11-19 03:05:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 3591 transitions. [2023-11-19 03:05:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:05:56,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:56,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:57,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 1849 states and 3615 transitions. [2023-11-19 03:05:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3615 transitions. [2023-11-19 03:05:57,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:05:57,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:57,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 1850 states and 3616 transitions. [2023-11-19 03:05:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 3616 transitions. [2023-11-19 03:05:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:05:58,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:58,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:58,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 1851 states and 3617 transitions. [2023-11-19 03:05:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 3617 transitions. [2023-11-19 03:05:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:05:58,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:58,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 1852 states and 3618 transitions. [2023-11-19 03:05:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 3618 transitions. [2023-11-19 03:05:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:05:58,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:58,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:05:58,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:58,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 1840 states and 3594 transitions. [2023-11-19 03:05:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 3594 transitions. [2023-11-19 03:05:58,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:05:58,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:58,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 1865 states and 3647 transitions. [2023-11-19 03:06:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3647 transitions. [2023-11-19 03:06:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:06:03,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:03,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:06:04,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1867 states and 3652 transitions. [2023-11-19 03:06:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 3652 transitions. [2023-11-19 03:06:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:06:04,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:04,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:06:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 1877 states and 3675 transitions. [2023-11-19 03:06:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 3675 transitions. [2023-11-19 03:06:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:06:06,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:06,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:06:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 1878 states and 3676 transitions. [2023-11-19 03:06:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 3676 transitions. [2023-11-19 03:06:06,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:06:06,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:06,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:06:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 1879 states and 3677 transitions. [2023-11-19 03:06:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3677 transitions. [2023-11-19 03:06:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:06:07,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:07,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:07,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:07,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 1879 states and 3676 transitions. [2023-11-19 03:06:07,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3676 transitions. [2023-11-19 03:06:07,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:06:07,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:07,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:06:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 1880 states and 3677 transitions. [2023-11-19 03:06:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 3677 transitions. [2023-11-19 03:06:07,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:06:07,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:07,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:06:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:08,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 1869 states and 3654 transitions. [2023-11-19 03:06:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 3654 transitions. [2023-11-19 03:06:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:06:08,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:08,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:08,234 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 1871 states and 3658 transitions. [2023-11-19 03:06:08,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 3658 transitions. [2023-11-19 03:06:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:06:08,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:08,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.