./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.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_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/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_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/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_583f7fc1-871e-4675-a24d-3817806ec24f/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 954b1f05390ccaafb1cee97c6b5216f4167723fe344c33082a0f73951b4d6f58 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:00:56,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:00:56,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:00:56,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:00:56,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:00:56,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:00:56,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:00:56,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:00:56,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:00:56,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:00:56,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:00:56,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:00:56,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:00:56,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:00:56,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:00:56,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:00:56,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:00:56,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:00:56,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:00:56,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:00:56,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:00:56,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:00:56,337 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:00:56,338 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:00:56,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:00:56,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:00:56,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:56,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:00:56,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:00:56,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:00:56,342 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:00:56,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:00:56,343 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:00:56,343 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_583f7fc1-871e-4675-a24d-3817806ec24f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 954b1f05390ccaafb1cee97c6b5216f4167723fe344c33082a0f73951b4d6f58 [2023-11-19 03:00:56,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:00:56,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:00:56,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:00:56,685 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:00:56,686 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:00:56,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c [2023-11-19 03:00:59,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:00,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:00,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c [2023-11-19 03:01:00,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/data/c2b749018/c65991b4662e45e5a493f81345a3ba17/FLAGf2d4a3b80 [2023-11-19 03:01:00,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/data/c2b749018/c65991b4662e45e5a493f81345a3ba17 [2023-11-19 03:01:00,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:00,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:00,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:00,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:00,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:00,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:00" (1/1) ... [2023-11-19 03:01:00,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402ff125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:00, skipping insertion in model container [2023-11-19 03:01:00,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:00" (1/1) ... [2023-11-19 03:01:01,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:03,523 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_583f7fc1-871e-4675-a24d-3817806ec24f/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c[378560,378573] [2023-11-19 03:01:03,561 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_583f7fc1-871e-4675-a24d-3817806ec24f/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c[383339,383352] [2023-11-19 03:01:03,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:03,769 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:05,033 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_583f7fc1-871e-4675-a24d-3817806ec24f/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c[378560,378573] [2023-11-19 03:01:05,055 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_583f7fc1-871e-4675-a24d-3817806ec24f/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c[383339,383352] [2023-11-19 03:01:05,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:05,185 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:05,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05 WrapperNode [2023-11-19 03:01:05,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:05,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:05,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:05,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:05,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:05,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:05,791 INFO L138 Inliner]: procedures = 48, calls = 48, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 12634 [2023-11-19 03:01:05,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:05,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:05,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:05,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:05,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:05,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:05,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:05,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:06,140 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:06,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:06,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:06,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:06,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:06,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:06,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:06,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:06,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:05" (1/1) ... [2023-11-19 03:01:06,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:06,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:06,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:06,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583f7fc1-871e-4675-a24d-3817806ec24f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 03:01:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 03:01:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-19 03:01:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-19 03:01:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-19 03:01:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-19 03:01:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 03:01:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 03:01:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-19 03:01:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-19 03:01:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-19 03:01:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-19 03:01:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-19 03:01:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-19 03:01:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:06,856 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:06,858 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:16,205 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:18,428 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:18,428 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:01:18,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:18 BoogieIcfgContainer [2023-11-19 03:01:18,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:18,446 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:18,446 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:18,457 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:18,457 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:18" (1/1) ... [2023-11-19 03:01:18,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 1730 states and 3398 transitions. [2023-11-19 03:01:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 3398 transitions. [2023-11-19 03:01:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:01:18,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:18,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:19,084 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 03:01:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 1737 states and 3410 transitions. [2023-11-19 03:01:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 3410 transitions. [2023-11-19 03:01:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:01:19,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:19,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:19,343 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 03:01:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 1738 states and 3410 transitions. [2023-11-19 03:01:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 3410 transitions. [2023-11-19 03:01:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:01:19,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:19,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:19,549 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 03:01:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 1739 states and 3410 transitions. [2023-11-19 03:01:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 3410 transitions. [2023-11-19 03:01:19,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:01:19,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:19,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:19,682 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 03:01:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 1742 states and 3415 transitions. [2023-11-19 03:01:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 3415 transitions. [2023-11-19 03:01:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:01:19,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:19,906 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 03:01:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 1750 states and 3429 transitions. [2023-11-19 03:01:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 3429 transitions. [2023-11-19 03:01:20,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:01:20,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:20,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:20,303 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 03:01:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:21,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 1763 states and 3455 transitions. [2023-11-19 03:01:21,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 3455 transitions. [2023-11-19 03:01:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:01:21,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:21,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:21,116 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 03:01:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 1768 states and 3466 transitions. [2023-11-19 03:01:21,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 3466 transitions. [2023-11-19 03:01:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:01:21,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:21,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:21,985 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 03:01:22,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:22,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 1769 states and 3467 transitions. [2023-11-19 03:01:22,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 3467 transitions. [2023-11-19 03:01:22,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:01:22,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:22,133 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 03:01:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 1763 states and 3454 transitions. [2023-11-19 03:01:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 3454 transitions. [2023-11-19 03:01:22,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:01:22,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:22,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:22,444 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 03:01:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:24,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 1779 states and 3488 transitions. [2023-11-19 03:01:24,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 3488 transitions. [2023-11-19 03:01:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:01:24,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:24,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:24,543 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 03:01:25,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 1784 states and 3500 transitions. [2023-11-19 03:01:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 3500 transitions. [2023-11-19 03:01:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:01:25,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:25,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:25,289 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 03:01:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 1785 states and 3501 transitions. [2023-11-19 03:01:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 3501 transitions. [2023-11-19 03:01:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:01:25,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:25,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:25,568 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 03:01:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:25,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 1779 states and 3487 transitions. [2023-11-19 03:01:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 3487 transitions. [2023-11-19 03:01:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:01:25,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:25,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:25,651 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 03:01:25,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 1784 states and 3496 transitions. [2023-11-19 03:01:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 3496 transitions. [2023-11-19 03:01:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:01:25,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:25,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:25,806 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 03:01:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 1784 states and 3495 transitions. [2023-11-19 03:01:25,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 3495 transitions. [2023-11-19 03:01:25,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:01:25,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:25,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:25,874 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 03:01:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 1786 states and 3499 transitions. [2023-11-19 03:01:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 3499 transitions. [2023-11-19 03:01:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:01:25,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:25,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:25,945 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 03:01:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 1788 states and 3502 transitions. [2023-11-19 03:01:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 3502 transitions. [2023-11-19 03:01:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:01:25,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:25,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:26,067 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 03:01:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 1799 states and 3521 transitions. [2023-11-19 03:01:26,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 3521 transitions. [2023-11-19 03:01:26,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:01:26,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:26,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:26,896 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 03:01:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 1801 states and 3525 transitions. [2023-11-19 03:01:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 3525 transitions. [2023-11-19 03:01:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:01:26,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:26,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:27,030 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 03:01:27,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3609 states to 1815 states and 3554 transitions. [2023-11-19 03:01:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 3554 transitions. [2023-11-19 03:01:27,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:01:27,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:27,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:27,805 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 03:01:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 1817 states and 3557 transitions. [2023-11-19 03:01:27,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3557 transitions. [2023-11-19 03:01:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:01:27,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:27,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:01:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3622 states to 1822 states and 3567 transitions. [2023-11-19 03:01:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 3567 transitions. [2023-11-19 03:01:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:01:28,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:28,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:01:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3625 states to 1824 states and 3570 transitions. [2023-11-19 03:01:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 3570 transitions. [2023-11-19 03:01:28,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:01:28,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:28,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:01:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 1826 states and 3573 transitions. [2023-11-19 03:01:28,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 3573 transitions. [2023-11-19 03:01:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:01:28,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:28,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:01:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:29,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 1828 states and 3577 transitions. [2023-11-19 03:01:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 3577 transitions. [2023-11-19 03:01:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:01:29,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:29,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 1849 states and 3618 transitions. [2023-11-19 03:01:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3618 transitions. [2023-11-19 03:01:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:01:33,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:33,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:01:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 1851 states and 3621 transitions. [2023-11-19 03:01:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 3621 transitions. [2023-11-19 03:01:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:01:33,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:33,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:01:33,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 1853 states and 3625 transitions. [2023-11-19 03:01:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 3625 transitions. [2023-11-19 03:01:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:01:33,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:33,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:33,456 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 03:01:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3706 states to 1857 states and 3636 transitions. [2023-11-19 03:01:34,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 3636 transitions. [2023-11-19 03:01:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:01:34,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:34,562 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 03:01:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 1858 states and 3637 transitions. [2023-11-19 03:01:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 3637 transitions. [2023-11-19 03:01:34,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:01:34,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:34,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 03:01:35,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 1853 states and 3624 transitions. [2023-11-19 03:01:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 3624 transitions. [2023-11-19 03:01:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:01:35,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:36,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 1863 states and 3645 transitions. [2023-11-19 03:01:36,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 3645 transitions. [2023-11-19 03:01:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:01:36,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:36,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:01:36,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 1865 states and 3648 transitions. [2023-11-19 03:01:36,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3648 transitions. [2023-11-19 03:01:36,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:01:36,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:36,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:01:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:37,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 1869 states and 3657 transitions. [2023-11-19 03:01:37,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 3657 transitions. [2023-11-19 03:01:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:01:37,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:01:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 1876 states and 3683 transitions. [2023-11-19 03:01:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 3683 transitions. [2023-11-19 03:01:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:01:38,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:38,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:01:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 1883 states and 3702 transitions. [2023-11-19 03:01:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 3702 transitions. [2023-11-19 03:01:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:01:39,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:39,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:40,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:01:40,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 1885 states and 3707 transitions. [2023-11-19 03:01:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 3707 transitions. [2023-11-19 03:01:40,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:01:40,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:40,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:40,793 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.