./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc59d2eb5280d2e1e7e9c76bdd35770d97977523b6f11f8f4ccd72ffe423d428 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:48:38,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:48:38,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:48:38,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:48:38,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:48:38,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:48:38,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:48:38,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:48:38,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:48:38,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:48:38,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:48:38,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:48:38,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:48:38,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:48:38,349 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:48:38,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:48:38,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:48:38,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:48:38,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:48:38,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:48:38,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:48:38,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:48:38,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:48:38,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:48:38,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:48:38,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:48:38,351 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:48:38,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:48:38,351 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:48:38,351 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:38,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:48:38,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:38,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:38,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:48:38,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:38,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:48:38,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:38,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:38,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:48:38,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:48:38,353 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:48:38,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:48:38,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:48:38,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:48:38,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:48:38,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:48:38,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:48:38,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:48:38,354 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB 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 -> Automizer 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 -> dc59d2eb5280d2e1e7e9c76bdd35770d97977523b6f11f8f4ccd72ffe423d428 [2024-11-28 03:48:38,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:48:38,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:48:38,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:48:38,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:48:38,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:48:38,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c [2024-11-28 03:48:42,786 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/data/1413a9793/76b3d5e63aec4b6bbe0c570a853b45f7/FLAG9540bfcac [2024-11-28 03:48:43,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:48:43,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c [2024-11-28 03:48:43,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/data/1413a9793/76b3d5e63aec4b6bbe0c570a853b45f7/FLAG9540bfcac [2024-11-28 03:48:43,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/data/1413a9793/76b3d5e63aec4b6bbe0c570a853b45f7 [2024-11-28 03:48:43,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:48:43,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:48:43,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:43,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:48:43,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:48:43,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:43" (1/1) ... [2024-11-28 03:48:43,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c47da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:43, skipping insertion in model container [2024-11-28 03:48:43,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:43" (1/1) ... [2024-11-28 03:48:43,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:48:43,955 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c[1807,1820] [2024-11-28 03:48:44,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:44,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:48:44,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [39] [2024-11-28 03:48:44,982 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c[1807,1820] [2024-11-28 03:48:45,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:45,649 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:48:45,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45 WrapperNode [2024-11-28 03:48:45,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:45,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:45,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:48:45,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:48:45,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:45,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:46,406 INFO L138 Inliner]: procedures = 70, calls = 5728, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 12650 [2024-11-28 03:48:46,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:46,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:48:46,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:48:46,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:48:46,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:46,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:46,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:46,818 INFO L175 MemorySlicer]: Split 4157 memory accesses to 27 slices as follows [4, 2, 7, 2, 379, 455, 8, 113, 113, 180, 203, 180, 203, 180, 203, 180, 203, 180, 203, 180, 203, 180, 203, 180, 8, 203, 2]. 11 percent of accesses are in the largest equivalence class. The 544 initializations are split as follows [0, 0, 2, 2, 27, 27, 0, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 0, 27, 0]. The 553 writes are split as follows [0, 1, 3, 0, 27, 27, 4, 27, 27, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 4, 26, 1]. [2024-11-28 03:48:46,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:46,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:47,138 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:47,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:47,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:47,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:47,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:47,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:48:47,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:48:47,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:48:47,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:48:47,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (1/1) ... [2024-11-28 03:48:47,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:47,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:48:47,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:48:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:48:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2024-11-28 03:48:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2024-11-28 03:48:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-28 03:48:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-28 03:48:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-28 03:48:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-28 03:48:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-28 03:48:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-28 03:48:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:48:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-28 03:48:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-28 03:48:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-28 03:48:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-28 03:48:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-28 03:48:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-28 03:48:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-28 03:48:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-28 03:48:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:48:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:48:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:48:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:48:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:48:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:48:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:48:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:48:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:48:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 03:48:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 03:48:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-28 03:48:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-28 03:48:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-28 03:48:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-28 03:48:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-28 03:48:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-28 03:48:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-28 03:48:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-28 03:48:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-28 03:48:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-28 03:48:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-28 03:48:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-28 03:48:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 03:48:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 03:48:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 03:48:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 03:48:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-28 03:48:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-28 03:48:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:48:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:48:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:48:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:48:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:48:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:48:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:48:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:48:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:48:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:48:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:48:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:48:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:48:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:48:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:48:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:48:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:48:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:48:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-28 03:48:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-28 03:48:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-28 03:48:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-28 03:48:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-28 03:48:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-28 03:48:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-28 03:48:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-28 03:48:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-28 03:48:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:48:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:48:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:48:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:48:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:48:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:48:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:48:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:48:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:48:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-28 03:48:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:48:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:48:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-28 03:48:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-28 03:48:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-28 03:48:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-28 03:48:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-28 03:48:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-28 03:48:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-28 03:48:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-28 03:48:48,777 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:48:48,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:49:06,865 INFO L? ?]: Removed 504 outVars from TransFormulas that were not future-live. [2024-11-28 03:49:06,865 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:49:06,957 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:49:06,958 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:49:06,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:49:06 BoogieIcfgContainer [2024-11-28 03:49:06,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:49:06,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:49:06,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:49:06,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:49:06,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:48:43" (1/3) ... [2024-11-28 03:49:06,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f3293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:49:06, skipping insertion in model container [2024-11-28 03:49:06,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:45" (2/3) ... [2024-11-28 03:49:06,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f3293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:49:06, skipping insertion in model container [2024-11-28 03:49:06,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:49:06" (3/3) ... [2024-11-28 03:49:06,972 INFO L128 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M1-1.c [2024-11-28 03:49:06,991 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:49:06,994 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekh_aso.2.M1-1.c that has 25 procedures, 3449 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:49:07,203 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:49:07,220 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@21c8b876, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:49:07,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:49:07,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 3449 states, 1917 states have (on average 1.1763171622326551) internal successors, (2255), 2047 states have internal predecessors, (2255), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1506), 1406 states have call predecessors, (1506), 1506 states have call successors, (1506) [2024-11-28 03:49:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2024-11-28 03:49:07,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:07,369 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:07,370 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:07,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:07,380 INFO L85 PathProgramCache]: Analyzing trace with hash 764489980, now seen corresponding path program 1 times [2024-11-28 03:49:07,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:07,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581030103] [2024-11-28 03:49:07,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:07,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 87362 trivial. 0 not checked. [2024-11-28 03:49:13,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:13,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581030103] [2024-11-28 03:49:13,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581030103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:13,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758412671] [2024-11-28 03:49:13,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:13,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:13,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:13,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:13,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:49:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:17,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 5794 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:49:17,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 87362 trivial. 0 not checked. [2024-11-28 03:49:18,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:49:18,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758412671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:18,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:49:18,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:49:18,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826210191] [2024-11-28 03:49:18,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:18,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:49:18,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:18,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:49:18,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:49:18,178 INFO L87 Difference]: Start difference. First operand has 3449 states, 1917 states have (on average 1.1763171622326551) internal successors, (2255), 2047 states have internal predecessors, (2255), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1506), 1406 states have call predecessors, (1506), 1506 states have call successors, (1506) Second operand has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-28 03:49:18,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:18,780 INFO L93 Difference]: Finished difference Result 6893 states and 12006 transitions. [2024-11-28 03:49:18,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:49:18,783 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1376 [2024-11-28 03:49:18,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:18,872 INFO L225 Difference]: With dead ends: 6893 [2024-11-28 03:49:18,873 INFO L226 Difference]: Without dead ends: 3444 [2024-11-28 03:49:18,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1377 GetRequests, 1377 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:49:18,935 INFO L435 NwaCegarLoop]: 5264 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5264 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:18,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5264 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:49:18,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3444 states. [2024-11-28 03:49:20,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3444 to 3444. [2024-11-28 03:49:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3444 states, 1913 states have (on average 1.1751176163094617) internal successors, (2248), 2043 states have internal predecessors, (2248), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1505), 1405 states have call predecessors, (1505), 1505 states have call successors, (1505) [2024-11-28 03:49:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 3444 states and 5259 transitions. [2024-11-28 03:49:20,722 INFO L78 Accepts]: Start accepts. Automaton has 3444 states and 5259 transitions. Word has length 1376 [2024-11-28 03:49:20,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:20,724 INFO L471 AbstractCegarLoop]: Abstraction has 3444 states and 5259 transitions. [2024-11-28 03:49:20,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-28 03:49:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3444 states and 5259 transitions. [2024-11-28 03:49:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2024-11-28 03:49:20,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:20,815 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:20,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:49:21,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:49:21,016 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:21,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:21,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1855964108, now seen corresponding path program 1 times [2024-11-28 03:49:21,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:21,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731142141] [2024-11-28 03:49:21,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:21,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 624 proven. 3 refuted. 0 times theorem prover too weak. 87153 trivial. 0 not checked. [2024-11-28 03:49:27,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:27,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731142141] [2024-11-28 03:49:27,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731142141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:49:27,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276426085] [2024-11-28 03:49:27,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:27,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:27,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:49:27,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:49:27,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:49:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:32,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 5794 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:49:32,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:49:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 1460 proven. 0 refuted. 0 times theorem prover too weak. 86320 trivial. 0 not checked. [2024-11-28 03:49:32,551 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:49:32,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276426085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:32,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:49:32,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2024-11-28 03:49:32,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268603273] [2024-11-28 03:49:32,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:32,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:49:32,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:32,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:49:32,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:49:32,559 INFO L87 Difference]: Start difference. First operand 3444 states and 5259 transitions. Second operand has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 2 states have call successors, (213), 2 states have call predecessors, (213), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-28 03:49:49,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:49,539 INFO L93 Difference]: Finished difference Result 6176 states and 9459 transitions. [2024-11-28 03:49:49,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:49:49,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 2 states have call successors, (213), 2 states have call predecessors, (213), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1376 [2024-11-28 03:49:49,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:49,601 INFO L225 Difference]: With dead ends: 6176 [2024-11-28 03:49:49,601 INFO L226 Difference]: Without dead ends: 3442 [2024-11-28 03:49:49,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1380 GetRequests, 1377 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:49:49,632 INFO L435 NwaCegarLoop]: 3889 mSDtfsCounter, 1 mSDsluCounter, 5041 mSDsCounter, 0 mSdLazyCounter, 6832 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8930 SdHoareTripleChecker+Invalid, 6836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:49,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8930 Invalid, 6836 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4 Valid, 6832 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time] [2024-11-28 03:49:49,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3442 states. [2024-11-28 03:49:51,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3442 to 3440. [2024-11-28 03:49:51,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3440 states, 1911 states have (on average 1.1742543171114599) internal successors, (2244), 2041 states have internal predecessors, (2244), 1504 states have call successors, (1504), 24 states have call predecessors, (1504), 24 states have return successors, (1503), 1403 states have call predecessors, (1503), 1503 states have call successors, (1503) [2024-11-28 03:49:51,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 3440 states and 5251 transitions. [2024-11-28 03:49:51,894 INFO L78 Accepts]: Start accepts. Automaton has 3440 states and 5251 transitions. Word has length 1376 [2024-11-28 03:49:51,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:51,906 INFO L471 AbstractCegarLoop]: Abstraction has 3440 states and 5251 transitions. [2024-11-28 03:49:51,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 2 states have call successors, (213), 2 states have call predecessors, (213), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-28 03:49:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 3440 states and 5251 transitions. [2024-11-28 03:49:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1418 [2024-11-28 03:49:52,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:52,012 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:52,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:49:52,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:49:52,214 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:52,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:52,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1594274269, now seen corresponding path program 1 times [2024-11-28 03:49:52,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:52,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912716716] [2024-11-28 03:49:52,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:52,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:49:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:49:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 86949 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86949 trivial. 0 not checked. [2024-11-28 03:49:57,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:49:57,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912716716] [2024-11-28 03:49:57,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912716716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:49:57,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:49:57,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:49:57,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089631214] [2024-11-28 03:49:57,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:49:57,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:49:57,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:49:57,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:49:57,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:49:57,255 INFO L87 Difference]: Start difference. First operand 3440 states and 5251 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 2 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-28 03:49:57,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:49:57,448 INFO L93 Difference]: Finished difference Result 6168 states and 9441 transitions. [2024-11-28 03:49:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:49:57,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 2 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) Word has length 1417 [2024-11-28 03:49:57,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:49:57,496 INFO L225 Difference]: With dead ends: 6168 [2024-11-28 03:49:57,498 INFO L226 Difference]: Without dead ends: 3440 [2024-11-28 03:49:57,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:49:57,523 INFO L435 NwaCegarLoop]: 5249 mSDtfsCounter, 0 mSDsluCounter, 5239 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10488 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:49:57,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10488 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:49:57,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3440 states. [2024-11-28 03:49:59,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3440 to 3440. [2024-11-28 03:49:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3440 states, 1911 states have (on average 1.173731030873888) internal successors, (2243), 2041 states have internal predecessors, (2243), 1504 states have call successors, (1504), 24 states have call predecessors, (1504), 24 states have return successors, (1503), 1403 states have call predecessors, (1503), 1503 states have call successors, (1503) [2024-11-28 03:49:59,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 3440 states and 5250 transitions. [2024-11-28 03:49:59,307 INFO L78 Accepts]: Start accepts. Automaton has 3440 states and 5250 transitions. Word has length 1417 [2024-11-28 03:49:59,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:49:59,314 INFO L471 AbstractCegarLoop]: Abstraction has 3440 states and 5250 transitions. [2024-11-28 03:49:59,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 2 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-28 03:49:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3440 states and 5250 transitions. [2024-11-28 03:49:59,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1426 [2024-11-28 03:49:59,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:49:59,347 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:49:59,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:49:59,347 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:49:59,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:49:59,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1247658079, now seen corresponding path program 1 times [2024-11-28 03:49:59,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:49:59,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903670903] [2024-11-28 03:49:59,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:49:59,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 86952 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 86948 trivial. 0 not checked. [2024-11-28 03:50:05,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:05,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903670903] [2024-11-28 03:50:05,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903670903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:05,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:50:05,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:50:05,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335211520] [2024-11-28 03:50:05,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:05,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:50:05,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:50:05,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:50:05,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:50:05,983 INFO L87 Difference]: Start difference. First operand 3440 states and 5250 transitions. Second operand has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 4 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2024-11-28 03:50:22,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:22,324 INFO L93 Difference]: Finished difference Result 6471 states and 9886 transitions. [2024-11-28 03:50:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:50:22,325 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 4 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) Word has length 1425 [2024-11-28 03:50:22,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:22,372 INFO L225 Difference]: With dead ends: 6471 [2024-11-28 03:50:22,372 INFO L226 Difference]: Without dead ends: 3743 [2024-11-28 03:50:22,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:50:22,393 INFO L435 NwaCegarLoop]: 5621 mSDtfsCounter, 7054 mSDsluCounter, 3837 mSDsCounter, 0 mSdLazyCounter, 5388 mSolverCounterSat, 2043 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7054 SdHoareTripleChecker+Valid, 9458 SdHoareTripleChecker+Invalid, 7431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2043 IncrementalHoareTripleChecker+Valid, 5388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:22,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7054 Valid, 9458 Invalid, 7431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2043 Valid, 5388 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2024-11-28 03:50:22,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2024-11-28 03:50:23,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 3743. [2024-11-28 03:50:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2133 states have (on average 1.191279887482419) internal successors, (2541), 2263 states have internal predecessors, (2541), 1575 states have call successors, (1575), 34 states have call predecessors, (1575), 34 states have return successors, (1574), 1474 states have call predecessors, (1574), 1574 states have call successors, (1574) [2024-11-28 03:50:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5690 transitions. [2024-11-28 03:50:23,937 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5690 transitions. Word has length 1425 [2024-11-28 03:50:23,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:23,940 INFO L471 AbstractCegarLoop]: Abstraction has 3743 states and 5690 transitions. [2024-11-28 03:50:23,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 4 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2024-11-28 03:50:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5690 transitions. [2024-11-28 03:50:23,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1422 [2024-11-28 03:50:23,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:23,972 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:23,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:50:23,973 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:23,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:23,975 INFO L85 PathProgramCache]: Analyzing trace with hash -896582078, now seen corresponding path program 1 times [2024-11-28 03:50:23,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:50:23,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410634719] [2024-11-28 03:50:23,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:23,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:32,380 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86954 trivial. 0 not checked. [2024-11-28 03:50:32,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:32,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410634719] [2024-11-28 03:50:32,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410634719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:32,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:50:32,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:50:32,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113034564] [2024-11-28 03:50:32,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:32,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:50:32,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:50:32,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:50:32,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:50:32,387 INFO L87 Difference]: Start difference. First operand 3743 states and 5690 transitions. Second operand has 5 states, 4 states have (on average 89.0) internal successors, (356), 5 states have internal predecessors, (356), 4 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216) [2024-11-28 03:50:43,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:43,782 INFO L93 Difference]: Finished difference Result 7038 states and 10706 transitions. [2024-11-28 03:50:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:50:43,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 89.0) internal successors, (356), 5 states have internal predecessors, (356), 4 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216) Word has length 1421 [2024-11-28 03:50:43,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:50:43,840 INFO L225 Difference]: With dead ends: 7038 [2024-11-28 03:50:43,840 INFO L226 Difference]: Without dead ends: 4007 [2024-11-28 03:50:43,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:50:43,870 INFO L435 NwaCegarLoop]: 5615 mSDtfsCounter, 7043 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 3318 mSolverCounterSat, 1682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7043 SdHoareTripleChecker+Valid, 8052 SdHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1682 IncrementalHoareTripleChecker+Valid, 3318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:50:43,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7043 Valid, 8052 Invalid, 5000 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1682 Valid, 3318 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2024-11-28 03:50:43,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4007 states. [2024-11-28 03:50:45,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4007 to 4007. [2024-11-28 03:50:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4007 states, 2328 states have (on average 1.2036082474226804) internal successors, (2802), 2458 states have internal predecessors, (2802), 1637 states have call successors, (1637), 41 states have call predecessors, (1637), 41 states have return successors, (1636), 1536 states have call predecessors, (1636), 1636 states have call successors, (1636) [2024-11-28 03:50:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 4007 states and 6075 transitions. [2024-11-28 03:50:45,649 INFO L78 Accepts]: Start accepts. Automaton has 4007 states and 6075 transitions. Word has length 1421 [2024-11-28 03:50:45,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:50:45,653 INFO L471 AbstractCegarLoop]: Abstraction has 4007 states and 6075 transitions. [2024-11-28 03:50:45,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 89.0) internal successors, (356), 5 states have internal predecessors, (356), 4 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216) [2024-11-28 03:50:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4007 states and 6075 transitions. [2024-11-28 03:50:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1426 [2024-11-28 03:50:45,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:50:45,680 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:45,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:50:45,681 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:50:45,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:45,684 INFO L85 PathProgramCache]: Analyzing trace with hash 914764952, now seen corresponding path program 1 times [2024-11-28 03:50:45,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:50:45,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619909407] [2024-11-28 03:50:45,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:45,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 86948 trivial. 0 not checked. [2024-11-28 03:50:49,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:50:49,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619909407] [2024-11-28 03:50:49,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619909407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:50:49,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060820356] [2024-11-28 03:50:49,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:49,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:49,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:49,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:49,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:50:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:53,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 5971 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:50:53,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 834 proven. 0 refuted. 0 times theorem prover too weak. 86120 trivial. 0 not checked. [2024-11-28 03:50:54,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:50:54,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060820356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:50:54,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:50:54,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 03:50:54,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409706849] [2024-11-28 03:50:54,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:50:54,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:50:54,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:50:54,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:50:54,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:50:54,102 INFO L87 Difference]: Start difference. First operand 4007 states and 6075 transitions. Second operand has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 03:51:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:51:00,512 INFO L93 Difference]: Finished difference Result 7554 states and 11457 transitions. [2024-11-28 03:51:00,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:51:00,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) Word has length 1425 [2024-11-28 03:51:00,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:51:00,563 INFO L225 Difference]: With dead ends: 7554 [2024-11-28 03:51:00,564 INFO L226 Difference]: Without dead ends: 4003 [2024-11-28 03:51:00,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1430 GetRequests, 1424 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:51:00,590 INFO L435 NwaCegarLoop]: 5499 mSDtfsCounter, 2222 mSDsluCounter, 11898 mSDsCounter, 0 mSdLazyCounter, 2625 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 17397 SdHoareTripleChecker+Invalid, 2627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:51:00,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2222 Valid, 17397 Invalid, 2627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2625 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-28 03:51:00,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2024-11-28 03:51:01,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 4003. [2024-11-28 03:51:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4003 states, 2326 states have (on average 1.2029234737747205) internal successors, (2798), 2456 states have internal predecessors, (2798), 1635 states have call successors, (1635), 41 states have call predecessors, (1635), 41 states have return successors, (1634), 1534 states have call predecessors, (1634), 1634 states have call successors, (1634) [2024-11-28 03:51:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 4003 states and 6067 transitions. [2024-11-28 03:51:01,749 INFO L78 Accepts]: Start accepts. Automaton has 4003 states and 6067 transitions. Word has length 1425 [2024-11-28 03:51:01,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:51:01,751 INFO L471 AbstractCegarLoop]: Abstraction has 4003 states and 6067 transitions. [2024-11-28 03:51:01,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 03:51:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4003 states and 6067 transitions. [2024-11-28 03:51:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1427 [2024-11-28 03:51:01,778 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:51:01,778 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:51:01,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:51:01,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 03:51:01,980 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:51:01,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:51:01,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1024594613, now seen corresponding path program 1 times [2024-11-28 03:51:01,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:51:01,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307929910] [2024-11-28 03:51:01,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:51:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:51:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:51:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 86949 trivial. 0 not checked. [2024-11-28 03:51:06,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:51:06,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307929910] [2024-11-28 03:51:06,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307929910] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:51:06,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556840342] [2024-11-28 03:51:06,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:51:06,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:51:06,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:51:06,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:51:06,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:51:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:51:11,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 5973 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:51:11,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:51:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 835 proven. 0 refuted. 0 times theorem prover too weak. 86119 trivial. 0 not checked. [2024-11-28 03:51:11,480 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:51:11,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556840342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:51:11,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:51:11,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 03:51:11,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576757867] [2024-11-28 03:51:11,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:51:11,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:51:11,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:51:11,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:51:11,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:51:11,487 INFO L87 Difference]: Start difference. First operand 4003 states and 6067 transitions. Second operand has 5 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 03:51:21,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:51:21,645 INFO L93 Difference]: Finished difference Result 8988 states and 13661 transitions. [2024-11-28 03:51:21,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:51:21,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) Word has length 1426 [2024-11-28 03:51:21,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:51:21,706 INFO L225 Difference]: With dead ends: 8988 [2024-11-28 03:51:21,706 INFO L226 Difference]: Without dead ends: 5697 [2024-11-28 03:51:21,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1432 GetRequests, 1425 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:51:21,732 INFO L435 NwaCegarLoop]: 6878 mSDtfsCounter, 3384 mSDsluCounter, 14060 mSDsCounter, 0 mSdLazyCounter, 4311 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 20938 SdHoareTripleChecker+Invalid, 4314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:51:21,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3384 Valid, 20938 Invalid, 4314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 4311 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2024-11-28 03:51:21,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2024-11-28 03:51:23,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 5617. [2024-11-28 03:51:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5617 states, 3232 states have (on average 1.1955445544554455) internal successors, (3864), 3414 states have internal predecessors, (3864), 2326 states have call successors, (2326), 56 states have call predecessors, (2326), 58 states have return successors, (2350), 2176 states have call predecessors, (2350), 2325 states have call successors, (2350) [2024-11-28 03:51:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5617 states to 5617 states and 8540 transitions. [2024-11-28 03:51:23,841 INFO L78 Accepts]: Start accepts. Automaton has 5617 states and 8540 transitions. Word has length 1426 [2024-11-28 03:51:23,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:51:23,847 INFO L471 AbstractCegarLoop]: Abstraction has 5617 states and 8540 transitions. [2024-11-28 03:51:23,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 03:51:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5617 states and 8540 transitions. [2024-11-28 03:51:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1427 [2024-11-28 03:51:23,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:51:23,879 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:51:23,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:51:24,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:51:24,080 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:51:24,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:51:24,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1640705404, now seen corresponding path program 1 times [2024-11-28 03:51:24,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:51:24,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310331713] [2024-11-28 03:51:24,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:51:24,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:51:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:51:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 86950 trivial. 0 not checked. [2024-11-28 03:51:27,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:51:27,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310331713] [2024-11-28 03:51:27,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310331713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:51:27,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871722662] [2024-11-28 03:51:27,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:51:27,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:51:28,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:51:28,002 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:51:28,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:51:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:51:32,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 5971 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:51:32,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:51:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 86118 trivial. 0 not checked. [2024-11-28 03:51:32,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:51:32,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871722662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:51:32,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:51:32,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 03:51:32,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637279139] [2024-11-28 03:51:32,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:51:32,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:51:32,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:51:32,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:51:32,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:51:32,756 INFO L87 Difference]: Start difference. First operand 5617 states and 8540 transitions. Second operand has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 03:51:40,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:51:40,235 INFO L93 Difference]: Finished difference Result 10471 states and 15941 transitions. [2024-11-28 03:51:40,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:51:40,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) Word has length 1426 [2024-11-28 03:51:40,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:51:40,294 INFO L225 Difference]: With dead ends: 10471 [2024-11-28 03:51:40,294 INFO L226 Difference]: Without dead ends: 5617 [2024-11-28 03:51:40,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1432 GetRequests, 1425 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:51:40,324 INFO L435 NwaCegarLoop]: 5208 mSDtfsCounter, 2594 mSDsluCounter, 10323 mSDsCounter, 0 mSdLazyCounter, 3227 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2594 SdHoareTripleChecker+Valid, 15531 SdHoareTripleChecker+Invalid, 3251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 3227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:51:40,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2594 Valid, 15531 Invalid, 3251 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 3227 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-11-28 03:51:40,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5617 states. [2024-11-28 03:51:41,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5617 to 5617. [2024-11-28 03:51:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5617 states, 3232 states have (on average 1.1952351485148516) internal successors, (3863), 3414 states have internal predecessors, (3863), 2326 states have call successors, (2326), 56 states have call predecessors, (2326), 58 states have return successors, (2350), 2176 states have call predecessors, (2350), 2325 states have call successors, (2350) [2024-11-28 03:51:41,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5617 states to 5617 states and 8539 transitions. [2024-11-28 03:51:41,977 INFO L78 Accepts]: Start accepts. Automaton has 5617 states and 8539 transitions. Word has length 1426 [2024-11-28 03:51:41,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:51:41,980 INFO L471 AbstractCegarLoop]: Abstraction has 5617 states and 8539 transitions. [2024-11-28 03:51:41,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 03:51:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 5617 states and 8539 transitions. [2024-11-28 03:51:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1437 [2024-11-28 03:51:42,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:51:42,015 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:51:42,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:51:42,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:51:42,216 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:51:42,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:51:42,217 INFO L85 PathProgramCache]: Analyzing trace with hash 27070309, now seen corresponding path program 1 times [2024-11-28 03:51:42,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:51:42,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005650809] [2024-11-28 03:51:42,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:51:42,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:51:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:51:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 86967 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86967 trivial. 0 not checked. [2024-11-28 03:51:46,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:51:46,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005650809] [2024-11-28 03:51:46,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005650809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:51:46,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:51:46,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:51:46,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790091019] [2024-11-28 03:51:46,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:51:46,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:51:46,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:51:46,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:51:46,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:51:46,212 INFO L87 Difference]: Start difference. First operand 5617 states and 8539 transitions. Second operand has 6 states, 6 states have (on average 59.833333333333336) internal successors, (359), 6 states have internal predecessors, (359), 3 states have call successors, (219), 2 states have call predecessors, (219), 4 states have return successors, (218), 3 states have call predecessors, (218), 3 states have call successors, (218) [2024-11-28 03:52:00,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:52:00,886 INFO L93 Difference]: Finished difference Result 8846 states and 13448 transitions. [2024-11-28 03:52:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:52:00,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 59.833333333333336) internal successors, (359), 6 states have internal predecessors, (359), 3 states have call successors, (219), 2 states have call predecessors, (219), 4 states have return successors, (218), 3 states have call predecessors, (218), 3 states have call successors, (218) Word has length 1436 [2024-11-28 03:52:00,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:52:00,929 INFO L225 Difference]: With dead ends: 8846 [2024-11-28 03:52:00,929 INFO L226 Difference]: Without dead ends: 3992 [2024-11-28 03:52:00,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:52:00,963 INFO L435 NwaCegarLoop]: 5572 mSDtfsCounter, 7495 mSDsluCounter, 4273 mSDsCounter, 0 mSdLazyCounter, 5870 mSolverCounterSat, 2573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7495 SdHoareTripleChecker+Valid, 9845 SdHoareTripleChecker+Invalid, 8443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2573 IncrementalHoareTripleChecker+Valid, 5870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:52:00,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7495 Valid, 9845 Invalid, 8443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2573 Valid, 5870 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2024-11-28 03:52:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3992 states. [2024-11-28 03:52:02,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3992 to 3992. [2024-11-28 03:52:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3992 states, 2319 states have (on average 1.20008624407072) internal successors, (2783), 2449 states have internal predecessors, (2783), 1631 states have call successors, (1631), 41 states have call predecessors, (1631), 41 states have return successors, (1630), 1530 states have call predecessors, (1630), 1630 states have call successors, (1630) [2024-11-28 03:52:02,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3992 states to 3992 states and 6044 transitions. [2024-11-28 03:52:02,135 INFO L78 Accepts]: Start accepts. Automaton has 3992 states and 6044 transitions. Word has length 1436 [2024-11-28 03:52:02,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:52:02,138 INFO L471 AbstractCegarLoop]: Abstraction has 3992 states and 6044 transitions. [2024-11-28 03:52:02,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.833333333333336) internal successors, (359), 6 states have internal predecessors, (359), 3 states have call successors, (219), 2 states have call predecessors, (219), 4 states have return successors, (218), 3 states have call predecessors, (218), 3 states have call successors, (218) [2024-11-28 03:52:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3992 states and 6044 transitions. [2024-11-28 03:52:02,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1437 [2024-11-28 03:52:02,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:52:02,166 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:52:02,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:52:02,166 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:52:02,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:52:02,168 INFO L85 PathProgramCache]: Analyzing trace with hash -651135892, now seen corresponding path program 1 times [2024-11-28 03:52:02,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:52:02,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134288157] [2024-11-28 03:52:02,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:52:02,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:52:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:52:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 86956 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86956 trivial. 0 not checked. [2024-11-28 03:52:06,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:52:06,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134288157] [2024-11-28 03:52:06,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134288157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:52:06,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:52:06,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:52:06,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56295222] [2024-11-28 03:52:06,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:52:06,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:52:06,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:52:06,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:52:06,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:52:06,449 INFO L87 Difference]: Start difference. First operand 3992 states and 6044 transitions. Second operand has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 3 states have call successors, (220), 2 states have call predecessors, (220), 4 states have return successors, (219), 3 states have call predecessors, (219), 3 states have call successors, (219) [2024-11-28 03:52:20,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:52:20,872 INFO L93 Difference]: Finished difference Result 7272 states and 11028 transitions. [2024-11-28 03:52:20,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:52:20,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 3 states have call successors, (220), 2 states have call predecessors, (220), 4 states have return successors, (219), 3 states have call predecessors, (219), 3 states have call successors, (219) Word has length 1436 [2024-11-28 03:52:20,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:52:20,914 INFO L225 Difference]: With dead ends: 7272 [2024-11-28 03:52:20,915 INFO L226 Difference]: Without dead ends: 3992 [2024-11-28 03:52:20,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:52:20,938 INFO L435 NwaCegarLoop]: 5591 mSDtfsCounter, 6997 mSDsluCounter, 3770 mSDsCounter, 0 mSdLazyCounter, 4988 mSolverCounterSat, 1677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6997 SdHoareTripleChecker+Valid, 9361 SdHoareTripleChecker+Invalid, 6665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1677 IncrementalHoareTripleChecker+Valid, 4988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:52:20,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6997 Valid, 9361 Invalid, 6665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1677 Valid, 4988 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2024-11-28 03:52:20,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3992 states. [2024-11-28 03:52:21,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3992 to 3992. [2024-11-28 03:52:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3992 states, 2319 states have (on average 1.1996550237171195) internal successors, (2782), 2449 states have internal predecessors, (2782), 1631 states have call successors, (1631), 41 states have call predecessors, (1631), 41 states have return successors, (1630), 1530 states have call predecessors, (1630), 1630 states have call successors, (1630) [2024-11-28 03:52:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3992 states to 3992 states and 6043 transitions. [2024-11-28 03:52:21,996 INFO L78 Accepts]: Start accepts. Automaton has 3992 states and 6043 transitions. Word has length 1436 [2024-11-28 03:52:21,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:52:21,999 INFO L471 AbstractCegarLoop]: Abstraction has 3992 states and 6043 transitions. [2024-11-28 03:52:21,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 3 states have call successors, (220), 2 states have call predecessors, (220), 4 states have return successors, (219), 3 states have call predecessors, (219), 3 states have call successors, (219) [2024-11-28 03:52:22,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3992 states and 6043 transitions. [2024-11-28 03:52:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1441 [2024-11-28 03:52:22,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:52:22,026 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:52:22,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:52:22,026 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:52:22,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:52:22,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1368996480, now seen corresponding path program 1 times [2024-11-28 03:52:22,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:52:22,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807572703] [2024-11-28 03:52:22,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:52:22,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:52:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:52:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 86956 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86956 trivial. 0 not checked. [2024-11-28 03:52:26,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:52:26,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807572703] [2024-11-28 03:52:26,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807572703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:52:26,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:52:26,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:52:26,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628961520] [2024-11-28 03:52:26,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:52:26,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:52:26,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:52:26,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:52:26,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:52:26,340 INFO L87 Difference]: Start difference. First operand 3992 states and 6043 transitions. Second operand has 6 states, 6 states have (on average 61.166666666666664) internal successors, (367), 6 states have internal predecessors, (367), 4 states have call successors, (221), 2 states have call predecessors, (221), 4 states have return successors, (220), 4 states have call predecessors, (220), 4 states have call successors, (220) [2024-11-28 03:52:39,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:52:39,341 INFO L93 Difference]: Finished difference Result 7268 states and 11023 transitions. [2024-11-28 03:52:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:52:39,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 61.166666666666664) internal successors, (367), 6 states have internal predecessors, (367), 4 states have call successors, (221), 2 states have call predecessors, (221), 4 states have return successors, (220), 4 states have call predecessors, (220), 4 states have call successors, (220) Word has length 1440 [2024-11-28 03:52:39,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:52:39,380 INFO L225 Difference]: With dead ends: 7268 [2024-11-28 03:52:39,380 INFO L226 Difference]: Without dead ends: 3988 [2024-11-28 03:52:39,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:52:39,403 INFO L435 NwaCegarLoop]: 5610 mSDtfsCounter, 6694 mSDsluCounter, 3481 mSDsCounter, 0 mSdLazyCounter, 4490 mSolverCounterSat, 1186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6694 SdHoareTripleChecker+Valid, 9091 SdHoareTripleChecker+Invalid, 5676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1186 IncrementalHoareTripleChecker+Valid, 4490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:52:39,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6694 Valid, 9091 Invalid, 5676 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1186 Valid, 4490 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2024-11-28 03:52:39,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3988 states. [2024-11-28 03:52:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3988 to 3988. [2024-11-28 03:52:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3988 states, 2317 states have (on average 1.1989641778161415) internal successors, (2778), 2447 states have internal predecessors, (2778), 1629 states have call successors, (1629), 41 states have call predecessors, (1629), 41 states have return successors, (1628), 1528 states have call predecessors, (1628), 1628 states have call successors, (1628) [2024-11-28 03:52:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3988 states and 6035 transitions. [2024-11-28 03:52:40,654 INFO L78 Accepts]: Start accepts. Automaton has 3988 states and 6035 transitions. Word has length 1440 [2024-11-28 03:52:40,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:52:40,656 INFO L471 AbstractCegarLoop]: Abstraction has 3988 states and 6035 transitions. [2024-11-28 03:52:40,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.166666666666664) internal successors, (367), 6 states have internal predecessors, (367), 4 states have call successors, (221), 2 states have call predecessors, (221), 4 states have return successors, (220), 4 states have call predecessors, (220), 4 states have call successors, (220) [2024-11-28 03:52:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3988 states and 6035 transitions. [2024-11-28 03:52:40,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1442 [2024-11-28 03:52:40,675 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:52:40,676 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:52:40,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:52:40,676 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:52:40,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:52:40,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1412245943, now seen corresponding path program 1 times [2024-11-28 03:52:40,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:52:40,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429416113] [2024-11-28 03:52:40,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:52:40,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:52:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:52:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 86960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86960 trivial. 0 not checked. [2024-11-28 03:52:44,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:52:44,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429416113] [2024-11-28 03:52:44,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429416113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:52:44,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:52:44,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:52:44,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159608077] [2024-11-28 03:52:44,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:52:44,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:52:44,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:52:44,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:52:44,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:52:44,579 INFO L87 Difference]: Start difference. First operand 3988 states and 6035 transitions. Second operand has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 4 states have call successors, (221), 2 states have call predecessors, (221), 4 states have return successors, (220), 4 states have call predecessors, (220), 4 states have call successors, (220) [2024-11-28 03:52:58,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:52:58,784 INFO L93 Difference]: Finished difference Result 7260 states and 11006 transitions. [2024-11-28 03:52:58,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:52:58,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 4 states have call successors, (221), 2 states have call predecessors, (221), 4 states have return successors, (220), 4 states have call predecessors, (220), 4 states have call successors, (220) Word has length 1441 [2024-11-28 03:52:58,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:52:58,823 INFO L225 Difference]: With dead ends: 7260 [2024-11-28 03:52:58,823 INFO L226 Difference]: Without dead ends: 3984 [2024-11-28 03:52:58,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:52:58,844 INFO L435 NwaCegarLoop]: 5564 mSDtfsCounter, 7474 mSDsluCounter, 4266 mSDsCounter, 0 mSdLazyCounter, 5865 mSolverCounterSat, 2567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7474 SdHoareTripleChecker+Valid, 9830 SdHoareTripleChecker+Invalid, 8432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2567 IncrementalHoareTripleChecker+Valid, 5865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:52:58,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7474 Valid, 9830 Invalid, 8432 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2567 Valid, 5865 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2024-11-28 03:52:58,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2024-11-28 03:53:00,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 3984. [2024-11-28 03:53:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3984 states, 2315 states have (on average 1.1982721382289416) internal successors, (2774), 2445 states have internal predecessors, (2774), 1627 states have call successors, (1627), 41 states have call predecessors, (1627), 41 states have return successors, (1626), 1526 states have call predecessors, (1626), 1626 states have call successors, (1626) [2024-11-28 03:53:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3984 states and 6027 transitions. [2024-11-28 03:53:00,060 INFO L78 Accepts]: Start accepts. Automaton has 3984 states and 6027 transitions. Word has length 1441 [2024-11-28 03:53:00,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:00,063 INFO L471 AbstractCegarLoop]: Abstraction has 3984 states and 6027 transitions. [2024-11-28 03:53:00,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 4 states have call successors, (221), 2 states have call predecessors, (221), 4 states have return successors, (220), 4 states have call predecessors, (220), 4 states have call successors, (220) [2024-11-28 03:53:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 3984 states and 6027 transitions. [2024-11-28 03:53:00,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1442 [2024-11-28 03:53:00,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:00,088 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:00,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:53:00,088 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:00,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:00,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1240033344, now seen corresponding path program 1 times [2024-11-28 03:53:00,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:00,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847426348] [2024-11-28 03:53:00,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:00,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 86962 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86962 trivial. 0 not checked. [2024-11-28 03:53:04,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:04,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847426348] [2024-11-28 03:53:04,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847426348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:04,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:04,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:04,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158732160] [2024-11-28 03:53:04,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:04,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:04,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:04,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:04,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:04,226 INFO L87 Difference]: Start difference. First operand 3984 states and 6027 transitions. Second operand has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (221), 2 states have call predecessors, (221), 3 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-28 03:53:04,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:04,926 INFO L93 Difference]: Finished difference Result 7256 states and 10993 transitions. [2024-11-28 03:53:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:53:04,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (221), 2 states have call predecessors, (221), 3 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) Word has length 1441 [2024-11-28 03:53:04,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:04,968 INFO L225 Difference]: With dead ends: 7256 [2024-11-28 03:53:04,968 INFO L226 Difference]: Without dead ends: 3984 [2024-11-28 03:53:04,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:04,991 INFO L435 NwaCegarLoop]: 5208 mSDtfsCounter, 2574 mSDsluCounter, 11189 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 16397 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:04,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 16397 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:53:04,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2024-11-28 03:53:06,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 3984. [2024-11-28 03:53:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3984 states, 2315 states have (on average 1.1978401727861772) internal successors, (2773), 2445 states have internal predecessors, (2773), 1627 states have call successors, (1627), 41 states have call predecessors, (1627), 41 states have return successors, (1626), 1526 states have call predecessors, (1626), 1626 states have call successors, (1626) [2024-11-28 03:53:06,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3984 states and 6026 transitions. [2024-11-28 03:53:06,464 INFO L78 Accepts]: Start accepts. Automaton has 3984 states and 6026 transitions. Word has length 1441 [2024-11-28 03:53:06,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:06,466 INFO L471 AbstractCegarLoop]: Abstraction has 3984 states and 6026 transitions. [2024-11-28 03:53:06,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (221), 2 states have call predecessors, (221), 3 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-28 03:53:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3984 states and 6026 transitions. [2024-11-28 03:53:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1446 [2024-11-28 03:53:06,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:06,493 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:06,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:53:06,494 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:06,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:06,495 INFO L85 PathProgramCache]: Analyzing trace with hash 617084023, now seen corresponding path program 1 times [2024-11-28 03:53:06,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:06,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628033032] [2024-11-28 03:53:06,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:06,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:10,669 INFO L134 CoverageAnalysis]: Checked inductivity of 86962 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86962 trivial. 0 not checked. [2024-11-28 03:53:10,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:10,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628033032] [2024-11-28 03:53:10,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628033032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:10,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:10,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:10,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604501772] [2024-11-28 03:53:10,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:10,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:10,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:10,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:10,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:10,674 INFO L87 Difference]: Start difference. First operand 3984 states and 6026 transitions. Second operand has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 03:53:15,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:15,483 INFO L93 Difference]: Finished difference Result 7254 states and 10988 transitions. [2024-11-28 03:53:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:53:15,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1445 [2024-11-28 03:53:15,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:15,530 INFO L225 Difference]: With dead ends: 7254 [2024-11-28 03:53:15,530 INFO L226 Difference]: Without dead ends: 3982 [2024-11-28 03:53:15,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:15,554 INFO L435 NwaCegarLoop]: 5187 mSDtfsCounter, 4826 mSDsluCounter, 7383 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4826 SdHoareTripleChecker+Valid, 12570 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2033 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:15,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4826 Valid, 12570 Invalid, 2157 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2033 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-28 03:53:15,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3982 states. [2024-11-28 03:53:17,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3982 to 3982. [2024-11-28 03:53:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3982 states, 2314 states have (on average 1.1974935177182369) internal successors, (2771), 2444 states have internal predecessors, (2771), 1626 states have call successors, (1626), 41 states have call predecessors, (1626), 41 states have return successors, (1625), 1525 states have call predecessors, (1625), 1625 states have call successors, (1625) [2024-11-28 03:53:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3982 states to 3982 states and 6022 transitions. [2024-11-28 03:53:17,086 INFO L78 Accepts]: Start accepts. Automaton has 3982 states and 6022 transitions. Word has length 1445 [2024-11-28 03:53:17,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:17,088 INFO L471 AbstractCegarLoop]: Abstraction has 3982 states and 6022 transitions. [2024-11-28 03:53:17,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 03:53:17,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3982 states and 6022 transitions. [2024-11-28 03:53:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1447 [2024-11-28 03:53:17,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:17,105 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:17,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:53:17,105 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:17,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:17,106 INFO L85 PathProgramCache]: Analyzing trace with hash 889048695, now seen corresponding path program 1 times [2024-11-28 03:53:17,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:17,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344627957] [2024-11-28 03:53:17,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:17,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 86966 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86966 trivial. 0 not checked. [2024-11-28 03:53:21,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:21,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344627957] [2024-11-28 03:53:21,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344627957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:21,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:21,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:21,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367593056] [2024-11-28 03:53:21,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:21,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:21,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:21,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:21,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:21,016 INFO L87 Difference]: Start difference. First operand 3982 states and 6022 transitions. Second operand has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 03:53:27,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:27,093 INFO L93 Difference]: Finished difference Result 7250 states and 10980 transitions. [2024-11-28 03:53:27,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:53:27,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1446 [2024-11-28 03:53:27,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:27,129 INFO L225 Difference]: With dead ends: 7250 [2024-11-28 03:53:27,129 INFO L226 Difference]: Without dead ends: 3980 [2024-11-28 03:53:27,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:27,152 INFO L435 NwaCegarLoop]: 5227 mSDtfsCounter, 6262 mSDsluCounter, 6385 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2557 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6262 SdHoareTripleChecker+Valid, 11612 SdHoareTripleChecker+Invalid, 2666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2557 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:27,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6262 Valid, 11612 Invalid, 2666 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2557 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-28 03:53:27,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3980 states. [2024-11-28 03:53:28,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3980 to 3980. [2024-11-28 03:53:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3980 states, 2313 states have (on average 1.1971465629053177) internal successors, (2769), 2443 states have internal predecessors, (2769), 1625 states have call successors, (1625), 41 states have call predecessors, (1625), 41 states have return successors, (1624), 1524 states have call predecessors, (1624), 1624 states have call successors, (1624) [2024-11-28 03:53:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 6018 transitions. [2024-11-28 03:53:28,274 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 6018 transitions. Word has length 1446 [2024-11-28 03:53:28,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:28,275 INFO L471 AbstractCegarLoop]: Abstraction has 3980 states and 6018 transitions. [2024-11-28 03:53:28,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 03:53:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 6018 transitions. [2024-11-28 03:53:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1447 [2024-11-28 03:53:28,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:28,292 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:28,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:53:28,293 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:28,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1880376323, now seen corresponding path program 1 times [2024-11-28 03:53:28,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:28,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829838813] [2024-11-28 03:53:28,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:28,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 86971 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86971 trivial. 0 not checked. [2024-11-28 03:53:32,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:32,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829838813] [2024-11-28 03:53:32,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829838813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:32,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:32,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:32,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602112440] [2024-11-28 03:53:32,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:32,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:32,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:32,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:32,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:32,059 INFO L87 Difference]: Start difference. First operand 3980 states and 6018 transitions. Second operand has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 03:53:32,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:32,698 INFO L93 Difference]: Finished difference Result 7248 states and 10975 transitions. [2024-11-28 03:53:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:53:32,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1446 [2024-11-28 03:53:32,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:32,733 INFO L225 Difference]: With dead ends: 7248 [2024-11-28 03:53:32,733 INFO L226 Difference]: Without dead ends: 3980 [2024-11-28 03:53:32,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:32,756 INFO L435 NwaCegarLoop]: 5199 mSDtfsCounter, 2558 mSDsluCounter, 11179 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 16378 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:32,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 16378 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:53:32,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3980 states. [2024-11-28 03:53:34,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3980 to 3980. [2024-11-28 03:53:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3980 states, 2313 states have (on average 1.196714223951578) internal successors, (2768), 2443 states have internal predecessors, (2768), 1625 states have call successors, (1625), 41 states have call predecessors, (1625), 41 states have return successors, (1624), 1524 states have call predecessors, (1624), 1624 states have call successors, (1624) [2024-11-28 03:53:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 6017 transitions. [2024-11-28 03:53:34,112 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 6017 transitions. Word has length 1446 [2024-11-28 03:53:34,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:34,113 INFO L471 AbstractCegarLoop]: Abstraction has 3980 states and 6017 transitions. [2024-11-28 03:53:34,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 03:53:34,114 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 6017 transitions. [2024-11-28 03:53:34,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1451 [2024-11-28 03:53:34,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:34,158 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:34,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:53:34,159 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:34,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:34,160 INFO L85 PathProgramCache]: Analyzing trace with hash 847861919, now seen corresponding path program 1 times [2024-11-28 03:53:34,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:34,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726834226] [2024-11-28 03:53:34,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:34,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 86971 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86971 trivial. 0 not checked. [2024-11-28 03:53:38,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:38,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726834226] [2024-11-28 03:53:38,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726834226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:38,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:38,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:38,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510548556] [2024-11-28 03:53:38,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:38,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:38,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:38,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:38,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:38,362 INFO L87 Difference]: Start difference. First operand 3980 states and 6017 transitions. Second operand has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 3 states have call successors, (223), 2 states have call predecessors, (223), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) [2024-11-28 03:53:42,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:42,865 INFO L93 Difference]: Finished difference Result 7246 states and 10970 transitions. [2024-11-28 03:53:42,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:53:42,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 3 states have call successors, (223), 2 states have call predecessors, (223), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) Word has length 1450 [2024-11-28 03:53:42,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:42,899 INFO L225 Difference]: With dead ends: 7246 [2024-11-28 03:53:42,899 INFO L226 Difference]: Without dead ends: 3978 [2024-11-28 03:53:42,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:42,914 INFO L435 NwaCegarLoop]: 5178 mSDtfsCounter, 4799 mSDsluCounter, 7373 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2028 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4799 SdHoareTripleChecker+Valid, 12551 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2028 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:42,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4799 Valid, 12551 Invalid, 2153 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2028 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-28 03:53:42,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2024-11-28 03:53:43,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3978. [2024-11-28 03:53:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3978 states, 2312 states have (on average 1.1963667820069204) internal successors, (2766), 2442 states have internal predecessors, (2766), 1624 states have call successors, (1624), 41 states have call predecessors, (1624), 41 states have return successors, (1623), 1523 states have call predecessors, (1623), 1623 states have call successors, (1623) [2024-11-28 03:53:43,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 3978 states and 6013 transitions. [2024-11-28 03:53:43,796 INFO L78 Accepts]: Start accepts. Automaton has 3978 states and 6013 transitions. Word has length 1450 [2024-11-28 03:53:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:43,798 INFO L471 AbstractCegarLoop]: Abstraction has 3978 states and 6013 transitions. [2024-11-28 03:53:43,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 3 states have call successors, (223), 2 states have call predecessors, (223), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) [2024-11-28 03:53:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3978 states and 6013 transitions. [2024-11-28 03:53:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1452 [2024-11-28 03:53:43,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:43,822 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:43,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:53:43,823 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:43,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1343549123, now seen corresponding path program 1 times [2024-11-28 03:53:43,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:43,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850349770] [2024-11-28 03:53:43,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:43,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 86983 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 86979 trivial. 0 not checked. [2024-11-28 03:53:47,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:47,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850349770] [2024-11-28 03:53:47,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850349770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:47,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:48,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:53:48,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609999533] [2024-11-28 03:53:48,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:48,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:53:48,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:48,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:53:48,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:48,003 INFO L87 Difference]: Start difference. First operand 3978 states and 6013 transitions. Second operand has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) [2024-11-28 03:54:00,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:00,781 INFO L93 Difference]: Finished difference Result 7242 states and 10964 transitions. [2024-11-28 03:54:00,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:54:00,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) Word has length 1451 [2024-11-28 03:54:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:00,815 INFO L225 Difference]: With dead ends: 7242 [2024-11-28 03:54:00,816 INFO L226 Difference]: Without dead ends: 3976 [2024-11-28 03:54:00,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:54:00,831 INFO L435 NwaCegarLoop]: 5546 mSDtfsCounter, 7974 mSDsluCounter, 2398 mSDsCounter, 0 mSdLazyCounter, 3276 mSolverCounterSat, 3165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7974 SdHoareTripleChecker+Valid, 7944 SdHoareTripleChecker+Invalid, 6441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3165 IncrementalHoareTripleChecker+Valid, 3276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:00,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7974 Valid, 7944 Invalid, 6441 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3165 Valid, 3276 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2024-11-28 03:54:00,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3976 states. [2024-11-28 03:54:01,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3976 to 3976. [2024-11-28 03:54:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3976 states, 2311 states have (on average 1.196019039376893) internal successors, (2764), 2441 states have internal predecessors, (2764), 1623 states have call successors, (1623), 41 states have call predecessors, (1623), 41 states have return successors, (1622), 1522 states have call predecessors, (1622), 1622 states have call successors, (1622) [2024-11-28 03:54:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3976 states to 3976 states and 6009 transitions. [2024-11-28 03:54:01,870 INFO L78 Accepts]: Start accepts. Automaton has 3976 states and 6009 transitions. Word has length 1451 [2024-11-28 03:54:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:01,872 INFO L471 AbstractCegarLoop]: Abstraction has 3976 states and 6009 transitions. [2024-11-28 03:54:01,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) [2024-11-28 03:54:01,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3976 states and 6009 transitions. [2024-11-28 03:54:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1452 [2024-11-28 03:54:01,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:01,899 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:01,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:54:01,899 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:01,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:01,901 INFO L85 PathProgramCache]: Analyzing trace with hash -285607997, now seen corresponding path program 1 times [2024-11-28 03:54:01,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:01,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544153258] [2024-11-28 03:54:01,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:01,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 87001 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87001 trivial. 0 not checked. [2024-11-28 03:54:10,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:10,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544153258] [2024-11-28 03:54:10,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544153258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:10,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:10,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:54:10,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653256761] [2024-11-28 03:54:10,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:10,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:54:10,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:10,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:54:10,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:54:10,018 INFO L87 Difference]: Start difference. First operand 3976 states and 6009 transitions. Second operand has 6 states, 6 states have (on average 60.5) internal successors, (363), 5 states have internal predecessors, (363), 3 states have call successors, (222), 3 states have call predecessors, (222), 2 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 03:54:22,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:22,974 INFO L93 Difference]: Finished difference Result 6981 states and 10567 transitions. [2024-11-28 03:54:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:54:22,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.5) internal successors, (363), 5 states have internal predecessors, (363), 3 states have call successors, (222), 3 states have call predecessors, (222), 2 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1451 [2024-11-28 03:54:22,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:23,033 INFO L225 Difference]: With dead ends: 6981 [2024-11-28 03:54:23,034 INFO L226 Difference]: Without dead ends: 6979 [2024-11-28 03:54:23,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:54:23,042 INFO L435 NwaCegarLoop]: 6313 mSDtfsCounter, 5690 mSDsluCounter, 15397 mSDsCounter, 0 mSdLazyCounter, 4206 mSolverCounterSat, 1128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5817 SdHoareTripleChecker+Valid, 21710 SdHoareTripleChecker+Invalid, 5334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1128 IncrementalHoareTripleChecker+Valid, 4206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:23,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5817 Valid, 21710 Invalid, 5334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1128 Valid, 4206 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2024-11-28 03:54:23,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6979 states. [2024-11-28 03:54:24,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6979 to 6954. [2024-11-28 03:54:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6954 states, 4008 states have (on average 1.19186626746507) internal successors, (4777), 4262 states have internal predecessors, (4777), 2871 states have call successors, (2871), 73 states have call predecessors, (2871), 74 states have return successors, (2893), 2673 states have call predecessors, (2893), 2869 states have call successors, (2893) [2024-11-28 03:54:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6954 states to 6954 states and 10541 transitions. [2024-11-28 03:54:24,831 INFO L78 Accepts]: Start accepts. Automaton has 6954 states and 10541 transitions. Word has length 1451 [2024-11-28 03:54:24,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:24,832 INFO L471 AbstractCegarLoop]: Abstraction has 6954 states and 10541 transitions. [2024-11-28 03:54:24,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.5) internal successors, (363), 5 states have internal predecessors, (363), 3 states have call successors, (222), 3 states have call predecessors, (222), 2 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 03:54:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand 6954 states and 10541 transitions. [2024-11-28 03:54:24,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1489 [2024-11-28 03:54:24,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:24,848 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:24,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:54:24,849 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:24,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:24,850 INFO L85 PathProgramCache]: Analyzing trace with hash -545481969, now seen corresponding path program 1 times [2024-11-28 03:54:24,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:24,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507703462] [2024-11-28 03:54:24,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:24,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 87840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87840 trivial. 0 not checked. [2024-11-28 03:54:31,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:31,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507703462] [2024-11-28 03:54:31,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507703462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:31,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:31,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:54:31,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264878155] [2024-11-28 03:54:31,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:31,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:54:31,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:31,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:54:31,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:54:31,486 INFO L87 Difference]: Start difference. First operand 6954 states and 10541 transitions. Second operand has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 3 states have call successors, (226), 2 states have call predecessors, (226), 3 states have return successors, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) [2024-11-28 03:54:32,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:32,477 INFO L93 Difference]: Finished difference Result 13196 states and 20044 transitions. [2024-11-28 03:54:32,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:54:32,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 3 states have call successors, (226), 2 states have call predecessors, (226), 3 states have return successors, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) Word has length 1488 [2024-11-28 03:54:32,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:32,552 INFO L225 Difference]: With dead ends: 13196 [2024-11-28 03:54:32,552 INFO L226 Difference]: Without dead ends: 6954 [2024-11-28 03:54:32,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:54:32,589 INFO L435 NwaCegarLoop]: 5194 mSDtfsCounter, 2561 mSDsluCounter, 11174 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 16368 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:32,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 16368 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:54:32,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6954 states. [2024-11-28 03:54:34,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6954 to 6954. [2024-11-28 03:54:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6954 states, 4008 states have (on average 1.1916167664670658) internal successors, (4776), 4262 states have internal predecessors, (4776), 2871 states have call successors, (2871), 73 states have call predecessors, (2871), 74 states have return successors, (2893), 2673 states have call predecessors, (2893), 2869 states have call successors, (2893) [2024-11-28 03:54:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6954 states to 6954 states and 10540 transitions. [2024-11-28 03:54:34,799 INFO L78 Accepts]: Start accepts. Automaton has 6954 states and 10540 transitions. Word has length 1488 [2024-11-28 03:54:34,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:34,800 INFO L471 AbstractCegarLoop]: Abstraction has 6954 states and 10540 transitions. [2024-11-28 03:54:34,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 3 states have call successors, (226), 2 states have call predecessors, (226), 3 states have return successors, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) [2024-11-28 03:54:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 6954 states and 10540 transitions. [2024-11-28 03:54:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1493 [2024-11-28 03:54:34,815 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:34,815 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:34,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:54:34,815 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:34,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:34,816 INFO L85 PathProgramCache]: Analyzing trace with hash 875000286, now seen corresponding path program 1 times [2024-11-28 03:54:34,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:34,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694669553] [2024-11-28 03:54:34,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:34,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 87840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87840 trivial. 0 not checked. [2024-11-28 03:54:39,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:39,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694669553] [2024-11-28 03:54:39,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694669553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:39,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:39,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:54:39,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605380075] [2024-11-28 03:54:39,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:39,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:54:39,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:39,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:54:39,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:54:39,697 INFO L87 Difference]: Start difference. First operand 6954 states and 10540 transitions. Second operand has 5 states, 5 states have (on average 77.8) internal successors, (389), 5 states have internal predecessors, (389), 3 states have call successors, (227), 2 states have call predecessors, (227), 3 states have return successors, (226), 3 states have call predecessors, (226), 3 states have call successors, (226) [2024-11-28 03:54:40,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:40,730 INFO L93 Difference]: Finished difference Result 13194 states and 20039 transitions. [2024-11-28 03:54:40,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:54:40,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.8) internal successors, (389), 5 states have internal predecessors, (389), 3 states have call successors, (227), 2 states have call predecessors, (227), 3 states have return successors, (226), 3 states have call predecessors, (226), 3 states have call successors, (226) Word has length 1492 [2024-11-28 03:54:40,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:40,770 INFO L225 Difference]: With dead ends: 13194 [2024-11-28 03:54:40,770 INFO L226 Difference]: Without dead ends: 6952 [2024-11-28 03:54:40,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:54:40,792 INFO L435 NwaCegarLoop]: 5173 mSDtfsCounter, 3395 mSDsluCounter, 9567 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 14740 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:40,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 14740 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:54:40,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6952 states. [2024-11-28 03:54:42,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6952 to 6952. [2024-11-28 03:54:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6952 states, 4007 states have (on average 1.1914150237085102) internal successors, (4774), 4261 states have internal predecessors, (4774), 2870 states have call successors, (2870), 73 states have call predecessors, (2870), 74 states have return successors, (2892), 2672 states have call predecessors, (2892), 2868 states have call successors, (2892) [2024-11-28 03:54:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6952 states to 6952 states and 10536 transitions. [2024-11-28 03:54:42,375 INFO L78 Accepts]: Start accepts. Automaton has 6952 states and 10536 transitions. Word has length 1492 [2024-11-28 03:54:42,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:42,376 INFO L471 AbstractCegarLoop]: Abstraction has 6952 states and 10536 transitions. [2024-11-28 03:54:42,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.8) internal successors, (389), 5 states have internal predecessors, (389), 3 states have call successors, (227), 2 states have call predecessors, (227), 3 states have return successors, (226), 3 states have call predecessors, (226), 3 states have call successors, (226) [2024-11-28 03:54:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 6952 states and 10536 transitions. [2024-11-28 03:54:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1494 [2024-11-28 03:54:42,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:42,392 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:42,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 03:54:42,392 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:42,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:42,393 INFO L85 PathProgramCache]: Analyzing trace with hash -497912296, now seen corresponding path program 1 times [2024-11-28 03:54:42,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:42,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232842042] [2024-11-28 03:54:42,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:42,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 87840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87840 trivial. 0 not checked. [2024-11-28 03:54:46,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:46,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232842042] [2024-11-28 03:54:46,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232842042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:46,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:46,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:54:46,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317574434] [2024-11-28 03:54:46,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:46,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:54:46,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:46,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:54:46,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:54:46,644 INFO L87 Difference]: Start difference. First operand 6952 states and 10536 transitions. Second operand has 5 states, 5 states have (on average 78.0) internal successors, (390), 5 states have internal predecessors, (390), 3 states have call successors, (227), 2 states have call predecessors, (227), 3 states have return successors, (226), 3 states have call predecessors, (226), 3 states have call successors, (226) [2024-11-28 03:54:51,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:51,809 INFO L93 Difference]: Finished difference Result 13190 states and 20031 transitions. [2024-11-28 03:54:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:54:51,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 78.0) internal successors, (390), 5 states have internal predecessors, (390), 3 states have call successors, (227), 2 states have call predecessors, (227), 3 states have return successors, (226), 3 states have call predecessors, (226), 3 states have call successors, (226) Word has length 1493 [2024-11-28 03:54:51,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:51,863 INFO L225 Difference]: With dead ends: 13190 [2024-11-28 03:54:51,863 INFO L226 Difference]: Without dead ends: 6950 [2024-11-28 03:54:51,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:54:51,900 INFO L435 NwaCegarLoop]: 5213 mSDtfsCounter, 6242 mSDsluCounter, 6370 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6242 SdHoareTripleChecker+Valid, 11583 SdHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2551 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:51,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6242 Valid, 11583 Invalid, 2661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2551 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 03:54:51,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6950 states. [2024-11-28 03:54:53,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6950 to 6950. [2024-11-28 03:54:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6950 states, 4006 states have (on average 1.1912131802296555) internal successors, (4772), 4260 states have internal predecessors, (4772), 2869 states have call successors, (2869), 73 states have call predecessors, (2869), 74 states have return successors, (2891), 2671 states have call predecessors, (2891), 2867 states have call successors, (2891) [2024-11-28 03:54:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6950 states to 6950 states and 10532 transitions. [2024-11-28 03:54:53,631 INFO L78 Accepts]: Start accepts. Automaton has 6950 states and 10532 transitions. Word has length 1493 [2024-11-28 03:54:53,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:53,632 INFO L471 AbstractCegarLoop]: Abstraction has 6950 states and 10532 transitions. [2024-11-28 03:54:53,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.0) internal successors, (390), 5 states have internal predecessors, (390), 3 states have call successors, (227), 2 states have call predecessors, (227), 3 states have return successors, (226), 3 states have call predecessors, (226), 3 states have call successors, (226) [2024-11-28 03:54:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 6950 states and 10532 transitions. [2024-11-28 03:54:53,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1494 [2024-11-28 03:54:53,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:53,646 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:53,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 03:54:53,646 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:53,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:53,647 INFO L85 PathProgramCache]: Analyzing trace with hash 967485516, now seen corresponding path program 1 times [2024-11-28 03:54:53,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:53,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784622435] [2024-11-28 03:54:53,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:53,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 87858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87858 trivial. 0 not checked. [2024-11-28 03:54:57,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:57,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784622435] [2024-11-28 03:54:57,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784622435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:57,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:57,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:54:57,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120871259] [2024-11-28 03:54:57,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:57,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:54:57,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:57,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:54:57,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:54:57,621 INFO L87 Difference]: Start difference. First operand 6950 states and 10532 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 3 states have call successors, (227), 2 states have call predecessors, (227), 2 states have return successors, (226), 3 states have call predecessors, (226), 3 states have call successors, (226) [2024-11-28 03:54:57,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:57,996 INFO L93 Difference]: Finished difference Result 13191 states and 20030 transitions. [2024-11-28 03:54:57,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:54:57,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 3 states have call successors, (227), 2 states have call predecessors, (227), 2 states have return successors, (226), 3 states have call predecessors, (226), 3 states have call successors, (226) Word has length 1493 [2024-11-28 03:54:57,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:58,058 INFO L225 Difference]: With dead ends: 13191 [2024-11-28 03:54:58,058 INFO L226 Difference]: Without dead ends: 6953 [2024-11-28 03:54:58,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:54:58,098 INFO L435 NwaCegarLoop]: 5216 mSDtfsCounter, 14 mSDsluCounter, 5175 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 10391 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:58,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 10391 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:54:58,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2024-11-28 03:54:59,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6951. [2024-11-28 03:54:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6951 states, 4007 states have (on average 1.1911654604442226) internal successors, (4773), 4261 states have internal predecessors, (4773), 2869 states have call successors, (2869), 73 states have call predecessors, (2869), 74 states have return successors, (2891), 2671 states have call predecessors, (2891), 2867 states have call successors, (2891) [2024-11-28 03:54:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6951 states to 6951 states and 10533 transitions. [2024-11-28 03:54:59,948 INFO L78 Accepts]: Start accepts. Automaton has 6951 states and 10533 transitions. Word has length 1493 [2024-11-28 03:54:59,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:59,949 INFO L471 AbstractCegarLoop]: Abstraction has 6951 states and 10533 transitions. [2024-11-28 03:54:59,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 3 states have call successors, (227), 2 states have call predecessors, (227), 2 states have return successors, (226), 3 states have call predecessors, (226), 3 states have call successors, (226) [2024-11-28 03:54:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 6951 states and 10533 transitions. [2024-11-28 03:54:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2024-11-28 03:54:59,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:59,966 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:59,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 03:54:59,966 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:59,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:59,967 INFO L85 PathProgramCache]: Analyzing trace with hash 777798, now seen corresponding path program 1 times [2024-11-28 03:54:59,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:59,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241429800] [2024-11-28 03:54:59,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:59,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 87858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87858 trivial. 0 not checked. [2024-11-28 03:55:04,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:04,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241429800] [2024-11-28 03:55:04,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241429800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:04,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:04,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:55:04,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040774917] [2024-11-28 03:55:04,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:04,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:55:04,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:04,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:55:04,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:04,672 INFO L87 Difference]: Start difference. First operand 6951 states and 10533 transitions. Second operand has 6 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 3 states have call successors, (230), 2 states have call predecessors, (230), 4 states have return successors, (229), 3 states have call predecessors, (229), 3 states have call successors, (229) [2024-11-28 03:55:17,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:17,558 INFO L93 Difference]: Finished difference Result 13190 states and 20029 transitions. [2024-11-28 03:55:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:55:17,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 3 states have call successors, (230), 2 states have call predecessors, (230), 4 states have return successors, (229), 3 states have call predecessors, (229), 3 states have call successors, (229) Word has length 1520 [2024-11-28 03:55:17,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:17,625 INFO L225 Difference]: With dead ends: 13190 [2024-11-28 03:55:17,625 INFO L226 Difference]: Without dead ends: 6951 [2024-11-28 03:55:17,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:55:17,667 INFO L435 NwaCegarLoop]: 5555 mSDtfsCounter, 8020 mSDsluCounter, 2401 mSDsCounter, 0 mSdLazyCounter, 3290 mSolverCounterSat, 3173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8020 SdHoareTripleChecker+Valid, 7956 SdHoareTripleChecker+Invalid, 6463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3173 IncrementalHoareTripleChecker+Valid, 3290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:17,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8020 Valid, 7956 Invalid, 6463 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3173 Valid, 3290 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2024-11-28 03:55:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6951 states. [2024-11-28 03:55:19,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6951 to 6951. [2024-11-28 03:55:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6951 states, 4007 states have (on average 1.1909158971799352) internal successors, (4772), 4261 states have internal predecessors, (4772), 2869 states have call successors, (2869), 73 states have call predecessors, (2869), 74 states have return successors, (2891), 2671 states have call predecessors, (2891), 2867 states have call successors, (2891) [2024-11-28 03:55:19,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6951 states to 6951 states and 10532 transitions. [2024-11-28 03:55:19,898 INFO L78 Accepts]: Start accepts. Automaton has 6951 states and 10532 transitions. Word has length 1520 [2024-11-28 03:55:19,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:19,899 INFO L471 AbstractCegarLoop]: Abstraction has 6951 states and 10532 transitions. [2024-11-28 03:55:19,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 3 states have call successors, (230), 2 states have call predecessors, (230), 4 states have return successors, (229), 3 states have call predecessors, (229), 3 states have call successors, (229) [2024-11-28 03:55:19,899 INFO L276 IsEmpty]: Start isEmpty. Operand 6951 states and 10532 transitions. [2024-11-28 03:55:19,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1525 [2024-11-28 03:55:19,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:19,917 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:19,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 03:55:19,918 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:19,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:19,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1238980226, now seen corresponding path program 1 times [2024-11-28 03:55:19,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:19,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599748578] [2024-11-28 03:55:19,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:19,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:24,312 INFO L134 CoverageAnalysis]: Checked inductivity of 87858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87858 trivial. 0 not checked. [2024-11-28 03:55:24,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:24,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599748578] [2024-11-28 03:55:24,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599748578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:24,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:24,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:55:24,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008025283] [2024-11-28 03:55:24,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:24,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:55:24,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:24,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:55:24,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:24,316 INFO L87 Difference]: Start difference. First operand 6951 states and 10532 transitions. Second operand has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 4 states have call successors, (231), 2 states have call predecessors, (231), 4 states have return successors, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-28 03:55:39,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:39,142 INFO L93 Difference]: Finished difference Result 13188 states and 20024 transitions. [2024-11-28 03:55:39,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:55:39,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 4 states have call successors, (231), 2 states have call predecessors, (231), 4 states have return successors, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) Word has length 1524 [2024-11-28 03:55:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:39,209 INFO L225 Difference]: With dead ends: 13188 [2024-11-28 03:55:39,210 INFO L226 Difference]: Without dead ends: 6949 [2024-11-28 03:55:39,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:55:39,253 INFO L435 NwaCegarLoop]: 5578 mSDtfsCounter, 6647 mSDsluCounter, 3461 mSDsCounter, 0 mSdLazyCounter, 4474 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6647 SdHoareTripleChecker+Valid, 9039 SdHoareTripleChecker+Invalid, 5658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1184 IncrementalHoareTripleChecker+Valid, 4474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:39,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6647 Valid, 9039 Invalid, 5658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1184 Valid, 4474 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2024-11-28 03:55:39,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6949 states. [2024-11-28 03:55:41,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6949 to 6949. [2024-11-28 03:55:41,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6949 states, 4006 states have (on average 1.1907139291063404) internal successors, (4770), 4260 states have internal predecessors, (4770), 2868 states have call successors, (2868), 73 states have call predecessors, (2868), 74 states have return successors, (2890), 2670 states have call predecessors, (2890), 2866 states have call successors, (2890) [2024-11-28 03:55:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6949 states to 6949 states and 10528 transitions. [2024-11-28 03:55:41,450 INFO L78 Accepts]: Start accepts. Automaton has 6949 states and 10528 transitions. Word has length 1524 [2024-11-28 03:55:41,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:41,451 INFO L471 AbstractCegarLoop]: Abstraction has 6949 states and 10528 transitions. [2024-11-28 03:55:41,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 4 states have call successors, (231), 2 states have call predecessors, (231), 4 states have return successors, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-28 03:55:41,452 INFO L276 IsEmpty]: Start isEmpty. Operand 6949 states and 10528 transitions. [2024-11-28 03:55:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1526 [2024-11-28 03:55:41,480 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:41,481 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:41,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 03:55:41,481 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:41,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:41,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1780032787, now seen corresponding path program 1 times [2024-11-28 03:55:41,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:41,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695569124] [2024-11-28 03:55:41,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:41,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:46,554 INFO L134 CoverageAnalysis]: Checked inductivity of 87858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87858 trivial. 0 not checked. [2024-11-28 03:55:46,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:46,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695569124] [2024-11-28 03:55:46,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695569124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:46,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:46,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:55:46,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107788191] [2024-11-28 03:55:46,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:46,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:55:46,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:46,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:55:46,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:46,558 INFO L87 Difference]: Start difference. First operand 6949 states and 10528 transitions. Second operand has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 4 states have call successors, (231), 2 states have call predecessors, (231), 4 states have return successors, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-28 03:56:00,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:00,511 INFO L93 Difference]: Finished difference Result 13180 states and 20014 transitions. [2024-11-28 03:56:00,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:56:00,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 4 states have call successors, (231), 2 states have call predecessors, (231), 4 states have return successors, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) Word has length 1525 [2024-11-28 03:56:00,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:00,572 INFO L225 Difference]: With dead ends: 13180 [2024-11-28 03:56:00,572 INFO L226 Difference]: Without dead ends: 6943 [2024-11-28 03:56:00,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:56:00,601 INFO L435 NwaCegarLoop]: 5533 mSDtfsCounter, 6121 mSDsluCounter, 2940 mSDsCounter, 0 mSdLazyCounter, 3908 mSolverCounterSat, 641 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6121 SdHoareTripleChecker+Valid, 8473 SdHoareTripleChecker+Invalid, 4549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 641 IncrementalHoareTripleChecker+Valid, 3908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:00,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6121 Valid, 8473 Invalid, 4549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [641 Valid, 3908 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2024-11-28 03:56:00,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6943 states. [2024-11-28 03:56:02,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6943 to 6943. [2024-11-28 03:56:02,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6943 states, 4003 states have (on average 1.1901074194354235) internal successors, (4764), 4257 states have internal predecessors, (4764), 2865 states have call successors, (2865), 73 states have call predecessors, (2865), 74 states have return successors, (2887), 2667 states have call predecessors, (2887), 2863 states have call successors, (2887) [2024-11-28 03:56:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 10516 transitions. [2024-11-28 03:56:02,230 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 10516 transitions. Word has length 1525 [2024-11-28 03:56:02,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:02,231 INFO L471 AbstractCegarLoop]: Abstraction has 6943 states and 10516 transitions. [2024-11-28 03:56:02,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 4 states have call successors, (231), 2 states have call predecessors, (231), 4 states have return successors, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-28 03:56:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 10516 transitions. [2024-11-28 03:56:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1526 [2024-11-28 03:56:02,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:02,250 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:02,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 03:56:02,250 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:56:02,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:02,251 INFO L85 PathProgramCache]: Analyzing trace with hash -872887790, now seen corresponding path program 1 times [2024-11-28 03:56:02,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:02,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834118401] [2024-11-28 03:56:02,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:02,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 87879 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87879 trivial. 0 not checked. [2024-11-28 03:56:07,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:07,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834118401] [2024-11-28 03:56:07,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834118401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:07,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:07,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:56:07,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440640621] [2024-11-28 03:56:07,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:07,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:56:07,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:07,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:56:07,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:56:07,173 INFO L87 Difference]: Start difference. First operand 6943 states and 10516 transitions. Second operand has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 3 states have call successors, (231), 2 states have call predecessors, (231), 4 states have return successors, (230), 3 states have call predecessors, (230), 3 states have call successors, (230) [2024-11-28 03:56:21,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:21,973 INFO L93 Difference]: Finished difference Result 13174 states and 19995 transitions. [2024-11-28 03:56:21,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:56:21,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 3 states have call successors, (231), 2 states have call predecessors, (231), 4 states have return successors, (230), 3 states have call predecessors, (230), 3 states have call successors, (230) Word has length 1525 [2024-11-28 03:56:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:22,024 INFO L225 Difference]: With dead ends: 13174 [2024-11-28 03:56:22,024 INFO L226 Difference]: Without dead ends: 6943 [2024-11-28 03:56:22,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:56:22,050 INFO L435 NwaCegarLoop]: 5542 mSDtfsCounter, 6620 mSDsluCounter, 3446 mSDsCounter, 0 mSdLazyCounter, 4814 mSolverCounterSat, 1520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6620 SdHoareTripleChecker+Valid, 8988 SdHoareTripleChecker+Invalid, 6334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1520 IncrementalHoareTripleChecker+Valid, 4814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:22,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6620 Valid, 8988 Invalid, 6334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1520 Valid, 4814 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2024-11-28 03:56:22,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6943 states. [2024-11-28 03:56:23,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6943 to 6943. [2024-11-28 03:56:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6943 states, 4003 states have (on average 1.1898576067949038) internal successors, (4763), 4257 states have internal predecessors, (4763), 2865 states have call successors, (2865), 73 states have call predecessors, (2865), 74 states have return successors, (2887), 2667 states have call predecessors, (2887), 2863 states have call successors, (2887) [2024-11-28 03:56:23,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 10515 transitions. [2024-11-28 03:56:23,820 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 10515 transitions. Word has length 1525 [2024-11-28 03:56:23,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:23,821 INFO L471 AbstractCegarLoop]: Abstraction has 6943 states and 10515 transitions. [2024-11-28 03:56:23,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 3 states have call successors, (231), 2 states have call predecessors, (231), 4 states have return successors, (230), 3 states have call predecessors, (230), 3 states have call successors, (230) [2024-11-28 03:56:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 10515 transitions. [2024-11-28 03:56:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1530 [2024-11-28 03:56:23,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:23,848 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:23,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 03:56:23,848 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:56:23,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:23,850 INFO L85 PathProgramCache]: Analyzing trace with hash -824623213, now seen corresponding path program 1 times [2024-11-28 03:56:23,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:23,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824265882] [2024-11-28 03:56:23,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:23,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 87879 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87879 trivial. 0 not checked. [2024-11-28 03:56:28,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:28,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824265882] [2024-11-28 03:56:28,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824265882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:28,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:28,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:56:28,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416512399] [2024-11-28 03:56:28,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:28,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:56:28,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:28,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:56:28,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:56:28,424 INFO L87 Difference]: Start difference. First operand 6943 states and 10515 transitions. Second operand has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 4 states have call successors, (232), 2 states have call predecessors, (232), 4 states have return successors, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) [2024-11-28 03:56:43,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:43,280 INFO L93 Difference]: Finished difference Result 13172 states and 19990 transitions. [2024-11-28 03:56:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:56:43,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 4 states have call successors, (232), 2 states have call predecessors, (232), 4 states have return successors, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) Word has length 1529 [2024-11-28 03:56:43,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:43,345 INFO L225 Difference]: With dead ends: 13172 [2024-11-28 03:56:43,345 INFO L226 Difference]: Without dead ends: 6941 [2024-11-28 03:56:43,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:56:43,377 INFO L435 NwaCegarLoop]: 5565 mSDtfsCounter, 6630 mSDsluCounter, 3452 mSDsCounter, 0 mSdLazyCounter, 4466 mSolverCounterSat, 1182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6630 SdHoareTripleChecker+Valid, 9017 SdHoareTripleChecker+Invalid, 5648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1182 IncrementalHoareTripleChecker+Valid, 4466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:43,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6630 Valid, 9017 Invalid, 5648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1182 Valid, 4466 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2024-11-28 03:56:43,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6941 states. [2024-11-28 03:56:44,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6941 to 6941. [2024-11-28 03:56:44,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6941 states, 4002 states have (on average 1.1896551724137931) internal successors, (4761), 4256 states have internal predecessors, (4761), 2864 states have call successors, (2864), 73 states have call predecessors, (2864), 74 states have return successors, (2886), 2666 states have call predecessors, (2886), 2862 states have call successors, (2886) [2024-11-28 03:56:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6941 states to 6941 states and 10511 transitions. [2024-11-28 03:56:45,040 INFO L78 Accepts]: Start accepts. Automaton has 6941 states and 10511 transitions. Word has length 1529 [2024-11-28 03:56:45,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:45,041 INFO L471 AbstractCegarLoop]: Abstraction has 6941 states and 10511 transitions. [2024-11-28 03:56:45,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 4 states have call successors, (232), 2 states have call predecessors, (232), 4 states have return successors, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) [2024-11-28 03:56:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 6941 states and 10511 transitions. [2024-11-28 03:56:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2024-11-28 03:56:45,067 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:45,067 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:45,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 03:56:45,068 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:56:45,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:45,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1334517019, now seen corresponding path program 1 times [2024-11-28 03:56:45,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:45,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205475819] [2024-11-28 03:56:45,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:45,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 87879 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87879 trivial. 0 not checked. [2024-11-28 03:56:49,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:49,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205475819] [2024-11-28 03:56:49,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205475819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:49,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:49,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:56:49,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698200237] [2024-11-28 03:56:49,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:49,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:56:49,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:49,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:56:49,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:56:49,467 INFO L87 Difference]: Start difference. First operand 6941 states and 10511 transitions. Second operand has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 4 states have call successors, (232), 2 states have call predecessors, (232), 4 states have return successors, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) [2024-11-28 03:57:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:01,875 INFO L93 Difference]: Finished difference Result 13164 states and 19980 transitions. [2024-11-28 03:57:01,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:57:01,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 4 states have call successors, (232), 2 states have call predecessors, (232), 4 states have return successors, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) Word has length 1530 [2024-11-28 03:57:01,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:01,928 INFO L225 Difference]: With dead ends: 13164 [2024-11-28 03:57:01,929 INFO L226 Difference]: Without dead ends: 6935 [2024-11-28 03:57:01,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:57:01,955 INFO L435 NwaCegarLoop]: 5529 mSDtfsCounter, 7974 mSDsluCounter, 2387 mSDsCounter, 0 mSdLazyCounter, 3270 mSolverCounterSat, 3160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7974 SdHoareTripleChecker+Valid, 7916 SdHoareTripleChecker+Invalid, 6430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3160 IncrementalHoareTripleChecker+Valid, 3270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:01,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7974 Valid, 7916 Invalid, 6430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3160 Valid, 3270 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2024-11-28 03:57:01,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2024-11-28 03:57:03,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 6935. [2024-11-28 03:57:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6935 states, 3999 states have (on average 1.189047261815454) internal successors, (4755), 4253 states have internal predecessors, (4755), 2861 states have call successors, (2861), 73 states have call predecessors, (2861), 74 states have return successors, (2883), 2663 states have call predecessors, (2883), 2859 states have call successors, (2883) [2024-11-28 03:57:03,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 10499 transitions. [2024-11-28 03:57:03,254 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 10499 transitions. Word has length 1530 [2024-11-28 03:57:03,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:03,255 INFO L471 AbstractCegarLoop]: Abstraction has 6935 states and 10499 transitions. [2024-11-28 03:57:03,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 4 states have call successors, (232), 2 states have call predecessors, (232), 4 states have return successors, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) [2024-11-28 03:57:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 10499 transitions. [2024-11-28 03:57:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2024-11-28 03:57:03,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:03,271 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:03,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 03:57:03,271 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:03,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:03,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1227215449, now seen corresponding path program 1 times [2024-11-28 03:57:03,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:03,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375468297] [2024-11-28 03:57:03,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 87903 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87903 trivial. 0 not checked. [2024-11-28 03:57:07,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:07,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375468297] [2024-11-28 03:57:07,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375468297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:07,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:07,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:57:07,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361222408] [2024-11-28 03:57:07,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:07,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:57:07,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:07,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:57:07,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:57:07,531 INFO L87 Difference]: Start difference. First operand 6935 states and 10499 transitions. Second operand has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 3 states have call successors, (232), 2 states have call predecessors, (232), 4 states have return successors, (231), 3 states have call predecessors, (231), 3 states have call successors, (231) [2024-11-28 03:57:21,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:21,211 INFO L93 Difference]: Finished difference Result 13158 states and 19961 transitions. [2024-11-28 03:57:21,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:57:21,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 3 states have call successors, (232), 2 states have call predecessors, (232), 4 states have return successors, (231), 3 states have call predecessors, (231), 3 states have call successors, (231) Word has length 1530 [2024-11-28 03:57:21,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:21,260 INFO L225 Difference]: With dead ends: 13158 [2024-11-28 03:57:21,260 INFO L226 Difference]: Without dead ends: 6935 [2024-11-28 03:57:21,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:57:21,280 INFO L435 NwaCegarLoop]: 5529 mSDtfsCounter, 6599 mSDsluCounter, 3434 mSDsCounter, 0 mSdLazyCounter, 4804 mSolverCounterSat, 1515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6599 SdHoareTripleChecker+Valid, 8963 SdHoareTripleChecker+Invalid, 6319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1515 IncrementalHoareTripleChecker+Valid, 4804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:21,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6599 Valid, 8963 Invalid, 6319 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1515 Valid, 4804 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2024-11-28 03:57:21,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2024-11-28 03:57:22,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 6935. [2024-11-28 03:57:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6935 states, 3999 states have (on average 1.188797199299825) internal successors, (4754), 4253 states have internal predecessors, (4754), 2861 states have call successors, (2861), 73 states have call predecessors, (2861), 74 states have return successors, (2883), 2663 states have call predecessors, (2883), 2859 states have call successors, (2883) [2024-11-28 03:57:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 10498 transitions. [2024-11-28 03:57:22,818 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 10498 transitions. Word has length 1530 [2024-11-28 03:57:22,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:22,819 INFO L471 AbstractCegarLoop]: Abstraction has 6935 states and 10498 transitions. [2024-11-28 03:57:22,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 3 states have call successors, (232), 2 states have call predecessors, (232), 4 states have return successors, (231), 3 states have call predecessors, (231), 3 states have call successors, (231) [2024-11-28 03:57:22,820 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 10498 transitions. [2024-11-28 03:57:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1535 [2024-11-28 03:57:22,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:22,835 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:22,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 03:57:22,836 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:22,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:22,836 INFO L85 PathProgramCache]: Analyzing trace with hash -195429652, now seen corresponding path program 1 times [2024-11-28 03:57:22,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:22,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117840922] [2024-11-28 03:57:22,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:22,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 87903 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87903 trivial. 0 not checked. [2024-11-28 03:57:26,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:26,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117840922] [2024-11-28 03:57:26,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117840922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:26,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:26,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:57:26,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641234410] [2024-11-28 03:57:26,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:26,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:57:26,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:26,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:57:26,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:57:26,828 INFO L87 Difference]: Start difference. First operand 6935 states and 10498 transitions. Second operand has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 4 states have call successors, (233), 2 states have call predecessors, (233), 4 states have return successors, (232), 4 states have call predecessors, (232), 4 states have call successors, (232) [2024-11-28 03:57:40,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:40,434 INFO L93 Difference]: Finished difference Result 13156 states and 19956 transitions. [2024-11-28 03:57:40,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:57:40,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 4 states have call successors, (233), 2 states have call predecessors, (233), 4 states have return successors, (232), 4 states have call predecessors, (232), 4 states have call successors, (232) Word has length 1534 [2024-11-28 03:57:40,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:40,486 INFO L225 Difference]: With dead ends: 13156 [2024-11-28 03:57:40,486 INFO L226 Difference]: Without dead ends: 6933 [2024-11-28 03:57:40,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:57:40,508 INFO L435 NwaCegarLoop]: 5552 mSDtfsCounter, 6951 mSDsluCounter, 3766 mSDsCounter, 0 mSdLazyCounter, 5333 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6951 SdHoareTripleChecker+Valid, 9318 SdHoareTripleChecker+Invalid, 7350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 5333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:40,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6951 Valid, 9318 Invalid, 7350 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2017 Valid, 5333 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2024-11-28 03:57:40,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6933 states. [2024-11-28 03:57:41,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6933 to 6933. [2024-11-28 03:57:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6933 states, 3998 states have (on average 1.1885942971485743) internal successors, (4752), 4252 states have internal predecessors, (4752), 2860 states have call successors, (2860), 73 states have call predecessors, (2860), 74 states have return successors, (2882), 2662 states have call predecessors, (2882), 2858 states have call successors, (2882) [2024-11-28 03:57:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6933 states to 6933 states and 10494 transitions. [2024-11-28 03:57:41,957 INFO L78 Accepts]: Start accepts. Automaton has 6933 states and 10494 transitions. Word has length 1534 [2024-11-28 03:57:41,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:41,958 INFO L471 AbstractCegarLoop]: Abstraction has 6933 states and 10494 transitions. [2024-11-28 03:57:41,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 4 states have call successors, (233), 2 states have call predecessors, (233), 4 states have return successors, (232), 4 states have call predecessors, (232), 4 states have call successors, (232) [2024-11-28 03:57:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 6933 states and 10494 transitions. [2024-11-28 03:57:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1536 [2024-11-28 03:57:41,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:41,974 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:41,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 03:57:41,974 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:41,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:41,975 INFO L85 PathProgramCache]: Analyzing trace with hash 819501702, now seen corresponding path program 1 times [2024-11-28 03:57:41,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:41,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563953085] [2024-11-28 03:57:41,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:41,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 87903 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87903 trivial. 0 not checked. [2024-11-28 03:57:46,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:46,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563953085] [2024-11-28 03:57:46,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563953085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:46,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:46,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:57:46,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167168957] [2024-11-28 03:57:46,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:46,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:57:46,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:46,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:57:46,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:57:46,212 INFO L87 Difference]: Start difference. First operand 6933 states and 10494 transitions. Second operand has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 4 states have call successors, (233), 2 states have call predecessors, (233), 4 states have return successors, (232), 4 states have call predecessors, (232), 4 states have call successors, (232) [2024-11-28 03:58:00,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:58:00,717 INFO L93 Difference]: Finished difference Result 13148 states and 19946 transitions. [2024-11-28 03:58:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:58:00,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 4 states have call successors, (233), 2 states have call predecessors, (233), 4 states have return successors, (232), 4 states have call predecessors, (232), 4 states have call successors, (232) Word has length 1535 [2024-11-28 03:58:00,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:58:00,779 INFO L225 Difference]: With dead ends: 13148 [2024-11-28 03:58:00,779 INFO L226 Difference]: Without dead ends: 6927 [2024-11-28 03:58:00,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:58:00,807 INFO L435 NwaCegarLoop]: 5525 mSDtfsCounter, 7389 mSDsluCounter, 4224 mSDsCounter, 0 mSdLazyCounter, 5829 mSolverCounterSat, 2545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7389 SdHoareTripleChecker+Valid, 9749 SdHoareTripleChecker+Invalid, 8374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2545 IncrementalHoareTripleChecker+Valid, 5829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:58:00,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7389 Valid, 9749 Invalid, 8374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2545 Valid, 5829 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2024-11-28 03:58:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6927 states. [2024-11-28 03:58:02,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6927 to 6927. [2024-11-28 03:58:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6927 states, 3995 states have (on average 1.187984981226533) internal successors, (4746), 4249 states have internal predecessors, (4746), 2857 states have call successors, (2857), 73 states have call predecessors, (2857), 74 states have return successors, (2879), 2659 states have call predecessors, (2879), 2855 states have call successors, (2879) [2024-11-28 03:58:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6927 states to 6927 states and 10482 transitions. [2024-11-28 03:58:02,323 INFO L78 Accepts]: Start accepts. Automaton has 6927 states and 10482 transitions. Word has length 1535 [2024-11-28 03:58:02,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:58:02,324 INFO L471 AbstractCegarLoop]: Abstraction has 6927 states and 10482 transitions. [2024-11-28 03:58:02,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 4 states have call successors, (233), 2 states have call predecessors, (233), 4 states have return successors, (232), 4 states have call predecessors, (232), 4 states have call successors, (232) [2024-11-28 03:58:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 6927 states and 10482 transitions. [2024-11-28 03:58:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1536 [2024-11-28 03:58:02,340 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:02,340 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:58:02,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 03:58:02,341 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:02,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:02,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1607989090, now seen corresponding path program 1 times [2024-11-28 03:58:02,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:58:02,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140082580] [2024-11-28 03:58:02,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:02,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 87930 backedges. 426 proven. 201 refuted. 0 times theorem prover too weak. 87303 trivial. 0 not checked. [2024-11-28 03:59:22,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:22,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140082580] [2024-11-28 03:59:22,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140082580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:22,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165381505] [2024-11-28 03:59:22,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:22,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:22,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:22,359 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:22,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7f56f3-7bdd-4e83-95c8-5f91e2d545cd/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:00:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:17,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 6361 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-28 04:00:17,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:18,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 1 [2024-11-28 04:00:19,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-28 04:00:20,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-28 04:00:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 87930 backedges. 37706 proven. 96 refuted. 0 times theorem prover too weak. 50128 trivial. 0 not checked. [2024-11-28 04:00:20,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:22,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2024-11-28 04:00:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 87930 backedges. 1374 proven. 498 refuted. 0 times theorem prover too weak. 86058 trivial. 0 not checked. [2024-11-28 04:00:24,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165381505] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:00:24,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:00:24,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 17, 15] total 35 [2024-11-28 04:00:24,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553746953] [2024-11-28 04:00:24,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:24,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-28 04:00:24,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:24,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-28 04:00:24,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1024, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 04:00:24,143 INFO L87 Difference]: Start difference. First operand 6927 states and 10482 transitions. Second operand has 35 states, 28 states have (on average 25.464285714285715) internal successors, (713), 34 states have internal predecessors, (713), 15 states have call successors, (383), 6 states have call predecessors, (383), 9 states have return successors, (382), 10 states have call predecessors, (382), 15 states have call successors, (382) [2024-11-28 04:00:26,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:28,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:29,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:31,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:33,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:35,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:36,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:38,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:40,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:43,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:45,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:47,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:48,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []