./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.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_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/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_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/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_74d996f3-be7b-42ab-b4cc-f6290ef1a753/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 20976b2d8a648a632a55cb7b6a072d8c835d658a3592a366af91723667ead694 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:16:22,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:16:22,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:16:22,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:16:22,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:16:23,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:16:23,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:16:23,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:16:23,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:16:23,001 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:16:23,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:16:23,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:16:23,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:16:23,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:16:23,002 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:16:23,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:16:23,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:16:23,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:16:23,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:16:23,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:16:23,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:16:23,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:16:23,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:16:23,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:16:23,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:16:23,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:16:23,004 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:16:23,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:16:23,004 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:16:23,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:23,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:23,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:23,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:23,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:16:23,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:23,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:23,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:23,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:23,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:16:23,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:16:23,005 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:16:23,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:16:23,008 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:16:23,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:16:23,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:16:23,009 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:16:23,009 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:16:23,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:16:23,009 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_74d996f3-be7b-42ab-b4cc-f6290ef1a753/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 -> 20976b2d8a648a632a55cb7b6a072d8c835d658a3592a366af91723667ead694 [2024-11-28 05:16:23,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:16:23,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:16:23,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:16:23,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:16:23,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:16:23,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c [2024-11-28 05:16:26,319 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/data/af8149408/f1f904f6471b43498ba73b611f5b4af6/FLAG95a9e38ed [2024-11-28 05:16:26,984 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:16:26,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c [2024-11-28 05:16:27,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/data/af8149408/f1f904f6471b43498ba73b611f5b4af6/FLAG95a9e38ed [2024-11-28 05:16:27,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/data/af8149408/f1f904f6471b43498ba73b611f5b4af6 [2024-11-28 05:16:27,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:16:27,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:16:27,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:27,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:16:27,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:16:27,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:27" (1/1) ... [2024-11-28 05:16:27,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339b4d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:27, skipping insertion in model container [2024-11-28 05:16:27,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:27" (1/1) ... [2024-11-28 05:16:27,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:16:27,370 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_74d996f3-be7b-42ab-b4cc-f6290ef1a753/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c[1807,1820] [2024-11-28 05:16:28,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:28,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:16:28,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [39] [2024-11-28 05:16:28,098 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_74d996f3-be7b-42ab-b4cc-f6290ef1a753/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M4-2.c[1807,1820] [2024-11-28 05:16:28,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:28,602 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:16:28,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28 WrapperNode [2024-11-28 05:16:28,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:28,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:28,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:16:28,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:16:28,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:28,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,155 INFO L138 Inliner]: procedures = 70, calls = 5777, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 12726 [2024-11-28 05:16:29,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:29,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:16:29,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:16:29,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:16:29,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,395 INFO L175 MemorySlicer]: Split 4205 memory accesses to 27 slices as follows [4, 2, 2, 8, 2, 379, 455, 113, 113, 186, 203, 186, 203, 186, 203, 8, 186, 203, 186, 203, 186, 203, 186, 203, 186, 203, 7]. 11 percent of accesses are in the largest equivalence class. The 544 initializations are split as follows [0, 0, 0, 0, 2, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 0, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 2]. The 577 writes are split as follows [0, 1, 1, 4, 0, 27, 27, 27, 27, 31, 26, 31, 26, 31, 26, 4, 31, 26, 31, 26, 31, 26, 31, 26, 31, 26, 3]. [2024-11-28 05:16:29,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,673 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:30,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:16:30,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:16:30,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:16:30,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:16:30,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:30,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:30,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:30,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:16:30,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:16:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:16:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2024-11-28 05:16:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2024-11-28 05:16:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-28 05:16:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-28 05:16:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-28 05:16:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-28 05:16:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-28 05:16:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-28 05:16:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:16:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-28 05:16:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-28 05:16:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-28 05:16:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-28 05:16:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-28 05:16:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-28 05:16:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-28 05:16:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-28 05:16:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:16:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:16:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:16:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:16:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:16:30,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 05:16:30,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-28 05:16:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-28 05:16:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-28 05:16:30,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-28 05:16:30,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-28 05:16:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-28 05:16:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 05:16:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 05:16:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 05:16:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 05:16:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-28 05:16:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-28 05:16:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:16:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-11-28 05:16:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-11-28 05:16:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 05:16:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-28 05:16:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-28 05:16:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-28 05:16:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-28 05:16:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:16:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:16:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 05:16:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:16:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-28 05:16:30,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-28 05:16:30,216 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-28 05:16:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-28 05:16:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-28 05:16:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-28 05:16:30,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-28 05:16:30,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-28 05:16:31,237 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:16:31,241 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:16:47,355 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2024-11-28 05:16:47,355 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:16:47,436 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:16:47,437 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:16:47,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:47 BoogieIcfgContainer [2024-11-28 05:16:47,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:16:47,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:16:47,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:16:47,485 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:16:47,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:16:27" (1/3) ... [2024-11-28 05:16:47,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b01dfff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:47, skipping insertion in model container [2024-11-28 05:16:47,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (2/3) ... [2024-11-28 05:16:47,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b01dfff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:47, skipping insertion in model container [2024-11-28 05:16:47,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:47" (3/3) ... [2024-11-28 05:16:47,488 INFO L128 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M4-2.c [2024-11-28 05:16:47,511 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:16:47,515 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekh_aso.2.M4-2.c that has 26 procedures, 3455 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:16:47,671 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:16:47,684 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;@117aeb5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:16:47,684 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:16:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 3455 states, 1920 states have (on average 1.1760416666666667) internal successors, (2258), 2050 states have internal predecessors, (2258), 1508 states have call successors, (1508), 25 states have call predecessors, (1508), 25 states have return successors, (1508), 1408 states have call predecessors, (1508), 1508 states have call successors, (1508) [2024-11-28 05:16:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2024-11-28 05:16:47,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:47,814 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, 1, 1] [2024-11-28 05:16:47,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:47,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:47,824 INFO L85 PathProgramCache]: Analyzing trace with hash -336051779, now seen corresponding path program 1 times [2024-11-28 05:16:47,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:47,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178922355] [2024-11-28 05:16:47,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:47,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:53,009 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 05:16:53,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:53,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178922355] [2024-11-28 05:16:53,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178922355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:16:53,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670493442] [2024-11-28 05:16:53,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:53,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:53,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:53,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:53,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:16:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:57,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:16:57,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:16:57,227 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 05:16:57,228 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:16:57,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670493442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:57,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:16:57,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:16:57,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661692795] [2024-11-28 05:16:57,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:57,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:16:57,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:57,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:16:57,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:16:57,283 INFO L87 Difference]: Start difference. First operand has 3455 states, 1920 states have (on average 1.1760416666666667) internal successors, (2258), 2050 states have internal predecessors, (2258), 1508 states have call successors, (1508), 25 states have call predecessors, (1508), 25 states have return successors, (1508), 1408 states have call predecessors, (1508), 1508 states have call successors, (1508) Second operand has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (214), 2 states have call predecessors, (214), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-28 05:16:57,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:57,812 INFO L93 Difference]: Finished difference Result 6905 states and 12022 transitions. [2024-11-28 05:16:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:16:57,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (214), 2 states have call predecessors, (214), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1378 [2024-11-28 05:16:57,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:57,887 INFO L225 Difference]: With dead ends: 6905 [2024-11-28 05:16:57,887 INFO L226 Difference]: Without dead ends: 3450 [2024-11-28 05:16:57,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1379 GetRequests, 1379 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 05:16:57,957 INFO L435 NwaCegarLoop]: 5271 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, 5271 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 05:16:57,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5271 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:57,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2024-11-28 05:16:59,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 3450. [2024-11-28 05:16:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3450 states, 1916 states have (on average 1.1748434237995824) internal successors, (2251), 2046 states have internal predecessors, (2251), 1508 states have call successors, (1508), 25 states have call predecessors, (1508), 25 states have return successors, (1507), 1407 states have call predecessors, (1507), 1507 states have call successors, (1507) [2024-11-28 05:16:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 3450 states and 5266 transitions. [2024-11-28 05:16:59,858 INFO L78 Accepts]: Start accepts. Automaton has 3450 states and 5266 transitions. Word has length 1378 [2024-11-28 05:16:59,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:59,861 INFO L471 AbstractCegarLoop]: Abstraction has 3450 states and 5266 transitions. [2024-11-28 05:16:59,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (214), 2 states have call predecessors, (214), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-28 05:16:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3450 states and 5266 transitions. [2024-11-28 05:17:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2024-11-28 05:17:00,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:00,016 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, 1, 1] [2024-11-28 05:17:00,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:17:00,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:17:00,217 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:17:00,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:00,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1338461429, now seen corresponding path program 1 times [2024-11-28 05:17:00,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:00,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90490340] [2024-11-28 05:17:00,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:00,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:05,412 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 05:17:05,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:05,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90490340] [2024-11-28 05:17:05,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90490340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:17:05,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829006018] [2024-11-28 05:17:05,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:05,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:05,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:17:05,419 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:17:05,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:17:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:09,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:17:09,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:17:09,478 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 05:17:09,478 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:17:09,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829006018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:09,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:17:09,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2024-11-28 05:17:09,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006823146] [2024-11-28 05:17:09,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:09,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:17:09,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:09,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:17:09,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:17:09,490 INFO L87 Difference]: Start difference. First operand 3450 states and 5266 transitions. Second operand has 4 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 2 states have call successors, (214), 2 states have call predecessors, (214), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-28 05:17:23,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:23,539 INFO L93 Difference]: Finished difference Result 6895 states and 10555 transitions. [2024-11-28 05:17:23,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:17:23,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 2 states have call successors, (214), 2 states have call predecessors, (214), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1378 [2024-11-28 05:17:23,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:23,590 INFO L225 Difference]: With dead ends: 6895 [2024-11-28 05:17:23,590 INFO L226 Difference]: Without dead ends: 3448 [2024-11-28 05:17:23,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1382 GetRequests, 1379 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 05:17:23,638 INFO L435 NwaCegarLoop]: 3898 mSDtfsCounter, 1 mSDsluCounter, 5063 mSDsCounter, 0 mSdLazyCounter, 6822 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8961 SdHoareTripleChecker+Invalid, 6826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:23,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8961 Invalid, 6826 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4 Valid, 6822 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2024-11-28 05:17:23,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3448 states. [2024-11-28 05:17:25,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3448 to 3446. [2024-11-28 05:17:25,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3446 states, 1914 states have (on average 1.1739811912225706) internal successors, (2247), 2044 states have internal predecessors, (2247), 1506 states have call successors, (1506), 25 states have call predecessors, (1506), 25 states have return successors, (1505), 1405 states have call predecessors, (1505), 1505 states have call successors, (1505) [2024-11-28 05:17:25,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3446 states and 5258 transitions. [2024-11-28 05:17:25,181 INFO L78 Accepts]: Start accepts. Automaton has 3446 states and 5258 transitions. Word has length 1378 [2024-11-28 05:17:25,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:25,186 INFO L471 AbstractCegarLoop]: Abstraction has 3446 states and 5258 transitions. [2024-11-28 05:17:25,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 2 states have call successors, (214), 2 states have call predecessors, (214), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2024-11-28 05:17:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3446 states and 5258 transitions. [2024-11-28 05:17:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1420 [2024-11-28 05:17:25,216 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:25,216 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, 1, 1] [2024-11-28 05:17:25,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:17:25,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:17:25,418 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:17:25,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:25,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1297548220, now seen corresponding path program 1 times [2024-11-28 05:17:25,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:25,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072158012] [2024-11-28 05:17:25,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:25,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:29,584 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 05:17:29,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:29,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072158012] [2024-11-28 05:17:29,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072158012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:29,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:29,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:17:29,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331793714] [2024-11-28 05:17:29,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:29,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:17:29,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:29,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:17:29,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:29,596 INFO L87 Difference]: Start difference. First operand 3446 states and 5258 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-28 05:17:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:29,887 INFO L93 Difference]: Finished difference Result 6887 states and 10537 transitions. [2024-11-28 05:17:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:17:29,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) Word has length 1419 [2024-11-28 05:17:29,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:29,951 INFO L225 Difference]: With dead ends: 6887 [2024-11-28 05:17:29,952 INFO L226 Difference]: Without dead ends: 3446 [2024-11-28 05:17:29,991 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 05:17:29,994 INFO L435 NwaCegarLoop]: 5256 mSDtfsCounter, 0 mSDsluCounter, 5246 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10502 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 05:17:29,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10502 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:30,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2024-11-28 05:17:31,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 3446. [2024-11-28 05:17:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3446 states, 1914 states have (on average 1.1734587251828632) internal successors, (2246), 2044 states have internal predecessors, (2246), 1506 states have call successors, (1506), 25 states have call predecessors, (1506), 25 states have return successors, (1505), 1405 states have call predecessors, (1505), 1505 states have call successors, (1505) [2024-11-28 05:17:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3446 states and 5257 transitions. [2024-11-28 05:17:31,348 INFO L78 Accepts]: Start accepts. Automaton has 3446 states and 5257 transitions. Word has length 1419 [2024-11-28 05:17:31,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:31,356 INFO L471 AbstractCegarLoop]: Abstraction has 3446 states and 5257 transitions. [2024-11-28 05:17:31,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2024-11-28 05:17:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3446 states and 5257 transitions. [2024-11-28 05:17:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1428 [2024-11-28 05:17:31,389 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:31,390 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, 1, 1] [2024-11-28 05:17:31,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:17:31,390 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:17:31,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:31,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1332319872, now seen corresponding path program 1 times [2024-11-28 05:17:31,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:31,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697118772] [2024-11-28 05:17:31,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:31,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:37,941 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 05:17:37,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:37,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697118772] [2024-11-28 05:17:37,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697118772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:37,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:37,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:17:37,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922067749] [2024-11-28 05:17:37,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:37,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:17:37,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:37,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:17:37,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:17:37,949 INFO L87 Difference]: Start difference. First operand 3446 states and 5257 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, (219), 2 states have call predecessors, (219), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2024-11-28 05:17:53,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:53,770 INFO L93 Difference]: Finished difference Result 7898 states and 12062 transitions. [2024-11-28 05:17:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:17:53,772 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, (219), 2 states have call predecessors, (219), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) Word has length 1427 [2024-11-28 05:17:53,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:53,834 INFO L225 Difference]: With dead ends: 7898 [2024-11-28 05:17:53,834 INFO L226 Difference]: Without dead ends: 4457 [2024-11-28 05:17:53,868 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 05:17:53,870 INFO L435 NwaCegarLoop]: 6708 mSDtfsCounter, 9707 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 3904 mSolverCounterSat, 3787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9707 SdHoareTripleChecker+Valid, 9650 SdHoareTripleChecker+Invalid, 7691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3787 IncrementalHoareTripleChecker+Valid, 3904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:53,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9707 Valid, 9650 Invalid, 7691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3787 Valid, 3904 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2024-11-28 05:17:53,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4457 states. [2024-11-28 05:17:55,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4457 to 4454. [2024-11-28 05:17:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4454 states, 2551 states have (on average 1.1920815366522932) internal successors, (3041), 2681 states have internal predecessors, (3041), 1867 states have call successors, (1867), 36 states have call predecessors, (1867), 35 states have return successors, (1866), 1765 states have call predecessors, (1866), 1866 states have call successors, (1866) [2024-11-28 05:17:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 6774 transitions. [2024-11-28 05:17:55,356 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 6774 transitions. Word has length 1427 [2024-11-28 05:17:55,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:55,359 INFO L471 AbstractCegarLoop]: Abstraction has 4454 states and 6774 transitions. [2024-11-28 05:17:55,360 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, (219), 2 states have call predecessors, (219), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2024-11-28 05:17:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 6774 transitions. [2024-11-28 05:17:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1424 [2024-11-28 05:17:55,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:55,388 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] [2024-11-28 05:17:55,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:17:55,389 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:17:55,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:55,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1873294523, now seen corresponding path program 1 times [2024-11-28 05:17:55,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:55,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581255424] [2024-11-28 05:17:55,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:03,076 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 05:18:03,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:03,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581255424] [2024-11-28 05:18:03,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581255424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:03,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:03,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:18:03,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593215999] [2024-11-28 05:18:03,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:03,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:18:03,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:03,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:18:03,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:18:03,083 INFO L87 Difference]: Start difference. First operand 4454 states and 6774 transitions. Second operand has 5 states, 4 states have (on average 89.25) internal successors, (357), 5 states have internal predecessors, (357), 4 states have call successors, (218), 2 states have call predecessors, (218), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216) [2024-11-28 05:18:14,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:14,508 INFO L93 Difference]: Finished difference Result 8465 states and 12882 transitions. [2024-11-28 05:18:14,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:18:14,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 89.25) internal successors, (357), 5 states have internal predecessors, (357), 4 states have call successors, (218), 2 states have call predecessors, (218), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216) Word has length 1423 [2024-11-28 05:18:14,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:14,577 INFO L225 Difference]: With dead ends: 8465 [2024-11-28 05:18:14,577 INFO L226 Difference]: Without dead ends: 4721 [2024-11-28 05:18:14,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:18:14,625 INFO L435 NwaCegarLoop]: 6702 mSDtfsCounter, 8130 mSDsluCounter, 2939 mSDsCounter, 0 mSdLazyCounter, 3903 mSolverCounterSat, 1683 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8130 SdHoareTripleChecker+Valid, 9641 SdHoareTripleChecker+Invalid, 5586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1683 IncrementalHoareTripleChecker+Valid, 3903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:14,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8130 Valid, 9641 Invalid, 5586 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1683 Valid, 3903 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2024-11-28 05:18:14,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2024-11-28 05:18:16,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4718. [2024-11-28 05:18:16,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4718 states, 2746 states have (on average 1.202476329206118) internal successors, (3302), 2876 states have internal predecessors, (3302), 1929 states have call successors, (1929), 43 states have call predecessors, (1929), 42 states have return successors, (1928), 1827 states have call predecessors, (1928), 1928 states have call successors, (1928) [2024-11-28 05:18:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4718 states to 4718 states and 7159 transitions. [2024-11-28 05:18:16,354 INFO L78 Accepts]: Start accepts. Automaton has 4718 states and 7159 transitions. Word has length 1423 [2024-11-28 05:18:16,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:16,356 INFO L471 AbstractCegarLoop]: Abstraction has 4718 states and 7159 transitions. [2024-11-28 05:18:16,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 89.25) internal successors, (357), 5 states have internal predecessors, (357), 4 states have call successors, (218), 2 states have call predecessors, (218), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216) [2024-11-28 05:18:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 4718 states and 7159 transitions. [2024-11-28 05:18:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1428 [2024-11-28 05:18:16,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:16,381 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] [2024-11-28 05:18:16,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:18:16,381 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:18:16,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:16,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1407991011, now seen corresponding path program 1 times [2024-11-28 05:18:16,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:16,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281024991] [2024-11-28 05:18:16,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:16,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:20,017 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 05:18:20,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:20,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281024991] [2024-11-28 05:18:20,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281024991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:20,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85965120] [2024-11-28 05:18:20,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:20,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:20,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:20,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:20,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:18:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:23,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 6110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:18:23,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:24,067 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 05:18:24,067 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:24,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85965120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:24,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:18:24,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 05:18:24,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405013837] [2024-11-28 05:18:24,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:24,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:18:24,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:24,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:18:24,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:18:24,072 INFO L87 Difference]: Start difference. First operand 4718 states and 7159 transitions. Second operand has 5 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 3 states have call successors, (219), 3 states have call predecessors, (219), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 05:18:29,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:29,284 INFO L93 Difference]: Finished difference Result 8981 states and 13633 transitions. [2024-11-28 05:18:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:18:29,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 3 states have call successors, (219), 3 states have call predecessors, (219), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) Word has length 1427 [2024-11-28 05:18:29,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:29,338 INFO L225 Difference]: With dead ends: 8981 [2024-11-28 05:18:29,338 INFO L226 Difference]: Without dead ends: 4717 [2024-11-28 05:18:29,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1432 GetRequests, 1426 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 05:18:29,376 INFO L435 NwaCegarLoop]: 5506 mSDtfsCounter, 2224 mSDsluCounter, 9787 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2224 SdHoareTripleChecker+Valid, 15293 SdHoareTripleChecker+Invalid, 2548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:29,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2224 Valid, 15293 Invalid, 2548 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2546 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 05:18:29,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4717 states. [2024-11-28 05:18:30,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4717 to 4714. [2024-11-28 05:18:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4714 states, 2744 states have (on average 1.2018950437317784) internal successors, (3298), 2874 states have internal predecessors, (3298), 1927 states have call successors, (1927), 43 states have call predecessors, (1927), 42 states have return successors, (1926), 1825 states have call predecessors, (1926), 1926 states have call successors, (1926) [2024-11-28 05:18:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4714 states to 4714 states and 7151 transitions. [2024-11-28 05:18:31,167 INFO L78 Accepts]: Start accepts. Automaton has 4714 states and 7151 transitions. Word has length 1427 [2024-11-28 05:18:31,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:31,170 INFO L471 AbstractCegarLoop]: Abstraction has 4714 states and 7151 transitions. [2024-11-28 05:18:31,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 3 states have call successors, (219), 3 states have call predecessors, (219), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 05:18:31,171 INFO L276 IsEmpty]: Start isEmpty. Operand 4714 states and 7151 transitions. [2024-11-28 05:18:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1429 [2024-11-28 05:18:31,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:31,194 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] [2024-11-28 05:18:31,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:18:31,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:31,399 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:18:31,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:31,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1549160508, now seen corresponding path program 1 times [2024-11-28 05:18:31,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:31,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120323539] [2024-11-28 05:18:31,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:31,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:35,536 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 05:18:35,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:35,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120323539] [2024-11-28 05:18:35,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120323539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:35,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390217956] [2024-11-28 05:18:35,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:35,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:35,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:35,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:35,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:18:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:39,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 6112 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:18:39,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:40,160 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 05:18:40,160 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:40,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390217956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:40,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:18:40,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 05:18:40,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419946270] [2024-11-28 05:18:40,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:40,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:18:40,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:40,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:18:40,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:18:40,165 INFO L87 Difference]: Start difference. First operand 4714 states and 7151 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, (219), 3 states have call predecessors, (219), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 05:18:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:52,124 INFO L93 Difference]: Finished difference Result 11124 states and 16925 transitions. [2024-11-28 05:18:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:18:52,125 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, (219), 3 states have call predecessors, (219), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) Word has length 1428 [2024-11-28 05:18:52,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:52,203 INFO L225 Difference]: With dead ends: 11124 [2024-11-28 05:18:52,203 INFO L226 Difference]: Without dead ends: 7120 [2024-11-28 05:18:52,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1434 GetRequests, 1427 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:18:52,248 INFO L435 NwaCegarLoop]: 7606 mSDtfsCounter, 4470 mSDsluCounter, 14365 mSDsCounter, 0 mSdLazyCounter, 5465 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4470 SdHoareTripleChecker+Valid, 21971 SdHoareTripleChecker+Invalid, 5468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:52,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4470 Valid, 21971 Invalid, 5468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 5465 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-11-28 05:18:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7120 states. [2024-11-28 05:18:54,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7120 to 7092. [2024-11-28 05:18:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7092 states, 4094 states have (on average 1.194675134342941) internal successors, (4891), 4300 states have internal predecessors, (4891), 2936 states have call successors, (2936), 60 states have call predecessors, (2936), 61 states have return successors, (2964), 2785 states have call predecessors, (2964), 2934 states have call successors, (2964) [2024-11-28 05:18:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7092 states to 7092 states and 10791 transitions. [2024-11-28 05:18:54,252 INFO L78 Accepts]: Start accepts. Automaton has 7092 states and 10791 transitions. Word has length 1428 [2024-11-28 05:18:54,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:54,257 INFO L471 AbstractCegarLoop]: Abstraction has 7092 states and 10791 transitions. [2024-11-28 05:18:54,258 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, (219), 3 states have call predecessors, (219), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 05:18:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7092 states and 10791 transitions. [2024-11-28 05:18:54,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1429 [2024-11-28 05:18:54,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:54,283 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] [2024-11-28 05:18:54,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 05:18:54,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:54,484 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:18:54,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:54,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1536956223, now seen corresponding path program 1 times [2024-11-28 05:18:54,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:54,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408401760] [2024-11-28 05:18:54,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:54,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:58,436 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 05:18:58,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:58,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408401760] [2024-11-28 05:18:58,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408401760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:58,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702868971] [2024-11-28 05:18:58,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:58,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:58,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:58,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:58,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:19:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:02,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 6110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:19:02,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:02,456 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 05:19:02,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:19:02,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702868971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:02,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:19:02,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 05:19:02,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901157445] [2024-11-28 05:19:02,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:02,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:19:02,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:02,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:19:02,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:19:02,461 INFO L87 Difference]: Start difference. First operand 7092 states and 10791 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, (219), 3 states have call predecessors, (219), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 05:19:11,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:11,708 INFO L93 Difference]: Finished difference Result 13477 states and 20537 transitions. [2024-11-28 05:19:11,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:19:11,709 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, (219), 3 states have call predecessors, (219), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) Word has length 1428 [2024-11-28 05:19:11,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:11,787 INFO L225 Difference]: With dead ends: 13477 [2024-11-28 05:19:11,787 INFO L226 Difference]: Without dead ends: 7095 [2024-11-28 05:19:11,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1434 GetRequests, 1427 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:19:11,858 INFO L435 NwaCegarLoop]: 6295 mSDtfsCounter, 3678 mSDsluCounter, 8741 mSDsCounter, 0 mSdLazyCounter, 4373 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 15036 SdHoareTripleChecker+Invalid, 4397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 4373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:11,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3678 Valid, 15036 Invalid, 4397 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 4373 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-11-28 05:19:11,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7095 states. [2024-11-28 05:19:14,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7095 to 7092. [2024-11-28 05:19:14,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7092 states, 4094 states have (on average 1.1944308744504153) internal successors, (4890), 4300 states have internal predecessors, (4890), 2936 states have call successors, (2936), 60 states have call predecessors, (2936), 61 states have return successors, (2964), 2785 states have call predecessors, (2964), 2934 states have call successors, (2964) [2024-11-28 05:19:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7092 states to 7092 states and 10790 transitions. [2024-11-28 05:19:14,348 INFO L78 Accepts]: Start accepts. Automaton has 7092 states and 10790 transitions. Word has length 1428 [2024-11-28 05:19:14,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:14,350 INFO L471 AbstractCegarLoop]: Abstraction has 7092 states and 10790 transitions. [2024-11-28 05:19:14,350 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, (219), 3 states have call predecessors, (219), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2024-11-28 05:19:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 7092 states and 10790 transitions. [2024-11-28 05:19:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1439 [2024-11-28 05:19:14,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:14,378 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, 1, 1] [2024-11-28 05:19:14,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 05:19:14,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:14,579 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:14,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:14,580 INFO L85 PathProgramCache]: Analyzing trace with hash 608614000, now seen corresponding path program 1 times [2024-11-28 05:19:14,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:14,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338469949] [2024-11-28 05:19:14,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:14,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:18,696 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 05:19:18,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:18,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338469949] [2024-11-28 05:19:18,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338469949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:18,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:18,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:19:18,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897599329] [2024-11-28 05:19:18,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:18,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:18,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:18,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:18,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:18,701 INFO L87 Difference]: Start difference. First operand 7092 states and 10790 transitions. Second operand has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 3 states have call successors, (220), 2 states have call predecessors, (220), 4 states have return successors, (218), 3 states have call predecessors, (218), 3 states have call successors, (218) [2024-11-28 05:19:32,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:32,277 INFO L93 Difference]: Finished difference Result 11085 states and 16870 transitions. [2024-11-28 05:19:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:19:32,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 3 states have call successors, (220), 2 states have call predecessors, (220), 4 states have return successors, (218), 3 states have call predecessors, (218), 3 states have call successors, (218) Word has length 1438 [2024-11-28 05:19:32,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:32,329 INFO L225 Difference]: With dead ends: 11085 [2024-11-28 05:19:32,329 INFO L226 Difference]: Without dead ends: 4703 [2024-11-28 05:19:32,395 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 05:19:32,395 INFO L435 NwaCegarLoop]: 5579 mSDtfsCounter, 7505 mSDsluCounter, 4279 mSDsCounter, 0 mSdLazyCounter, 5878 mSolverCounterSat, 2577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7505 SdHoareTripleChecker+Valid, 9858 SdHoareTripleChecker+Invalid, 8455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2577 IncrementalHoareTripleChecker+Valid, 5878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:32,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7505 Valid, 9858 Invalid, 8455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2577 Valid, 5878 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2024-11-28 05:19:32,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4703 states. [2024-11-28 05:19:34,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4703 to 4703. [2024-11-28 05:19:34,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4703 states, 2737 states have (on average 1.1994884910485935) internal successors, (3283), 2867 states have internal predecessors, (3283), 1923 states have call successors, (1923), 43 states have call predecessors, (1923), 42 states have return successors, (1922), 1821 states have call predecessors, (1922), 1922 states have call successors, (1922) [2024-11-28 05:19:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4703 states to 4703 states and 7128 transitions. [2024-11-28 05:19:34,404 INFO L78 Accepts]: Start accepts. Automaton has 4703 states and 7128 transitions. Word has length 1438 [2024-11-28 05:19:34,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:34,406 INFO L471 AbstractCegarLoop]: Abstraction has 4703 states and 7128 transitions. [2024-11-28 05:19:34,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 3 states have call successors, (220), 2 states have call predecessors, (220), 4 states have return successors, (218), 3 states have call predecessors, (218), 3 states have call successors, (218) [2024-11-28 05:19:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 4703 states and 7128 transitions. [2024-11-28 05:19:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1439 [2024-11-28 05:19:34,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:34,428 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] [2024-11-28 05:19:34,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:19:34,430 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:34,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:34,431 INFO L85 PathProgramCache]: Analyzing trace with hash 319922131, now seen corresponding path program 1 times [2024-11-28 05:19:34,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:34,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39354060] [2024-11-28 05:19:34,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:37,766 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 05:19:37,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:37,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39354060] [2024-11-28 05:19:37,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39354060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:37,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:37,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:19:37,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566716026] [2024-11-28 05:19:37,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:37,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:37,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:37,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:37,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:37,771 INFO L87 Difference]: Start difference. First operand 4703 states and 7128 transitions. Second operand has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 3 states have call successors, (221), 2 states have call predecessors, (221), 4 states have return successors, (219), 3 states have call predecessors, (219), 3 states have call successors, (219) [2024-11-28 05:19:50,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:50,605 INFO L93 Difference]: Finished difference Result 8699 states and 13204 transitions. [2024-11-28 05:19:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:19:50,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 3 states have call successors, (221), 2 states have call predecessors, (221), 4 states have return successors, (219), 3 states have call predecessors, (219), 3 states have call successors, (219) Word has length 1438 [2024-11-28 05:19:50,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:50,653 INFO L225 Difference]: With dead ends: 8699 [2024-11-28 05:19:50,653 INFO L226 Difference]: Without dead ends: 4706 [2024-11-28 05:19:50,689 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 05:19:50,690 INFO L435 NwaCegarLoop]: 6678 mSDtfsCounter, 9688 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 3891 mSolverCounterSat, 3777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9688 SdHoareTripleChecker+Valid, 9601 SdHoareTripleChecker+Invalid, 7668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3777 IncrementalHoareTripleChecker+Valid, 3891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:50,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9688 Valid, 9601 Invalid, 7668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3777 Valid, 3891 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2024-11-28 05:19:50,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4706 states. [2024-11-28 05:19:52,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4706 to 4703. [2024-11-28 05:19:52,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4703 states, 2737 states have (on average 1.1991231275118743) internal successors, (3282), 2867 states have internal predecessors, (3282), 1923 states have call successors, (1923), 43 states have call predecessors, (1923), 42 states have return successors, (1922), 1821 states have call predecessors, (1922), 1922 states have call successors, (1922) [2024-11-28 05:19:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4703 states to 4703 states and 7127 transitions. [2024-11-28 05:19:52,878 INFO L78 Accepts]: Start accepts. Automaton has 4703 states and 7127 transitions. Word has length 1438 [2024-11-28 05:19:52,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:52,879 INFO L471 AbstractCegarLoop]: Abstraction has 4703 states and 7127 transitions. [2024-11-28 05:19:52,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 3 states have call successors, (221), 2 states have call predecessors, (221), 4 states have return successors, (219), 3 states have call predecessors, (219), 3 states have call successors, (219) [2024-11-28 05:19:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 4703 states and 7127 transitions. [2024-11-28 05:19:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1443 [2024-11-28 05:19:52,901 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:52,902 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, 1, 1] [2024-11-28 05:19:52,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:19:52,902 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:52,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:52,904 INFO L85 PathProgramCache]: Analyzing trace with hash 300950931, now seen corresponding path program 1 times [2024-11-28 05:19:52,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:52,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376893168] [2024-11-28 05:19:52,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:52,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:56,131 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 05:19:56,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:56,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376893168] [2024-11-28 05:19:56,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376893168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:56,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:56,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:19:56,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185394181] [2024-11-28 05:19:56,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:56,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:19:56,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:56,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:19:56,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:19:56,135 INFO L87 Difference]: Start difference. First operand 4703 states and 7127 transitions. Second operand has 6 states, 6 states have (on average 61.333333333333336) internal successors, (368), 6 states have internal predecessors, (368), 4 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (220), 4 states have call predecessors, (220), 4 states have call successors, (220) [2024-11-28 05:20:09,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:09,070 INFO L93 Difference]: Finished difference Result 8695 states and 13199 transitions. [2024-11-28 05:20:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:20:09,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 61.333333333333336) internal successors, (368), 6 states have internal predecessors, (368), 4 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (220), 4 states have call predecessors, (220), 4 states have call successors, (220) Word has length 1442 [2024-11-28 05:20:09,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:09,121 INFO L225 Difference]: With dead ends: 8695 [2024-11-28 05:20:09,121 INFO L226 Difference]: Without dead ends: 4702 [2024-11-28 05:20:09,161 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 05:20:09,162 INFO L435 NwaCegarLoop]: 6697 mSDtfsCounter, 9713 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 3899 mSolverCounterSat, 3784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9713 SdHoareTripleChecker+Valid, 9633 SdHoareTripleChecker+Invalid, 7683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3784 IncrementalHoareTripleChecker+Valid, 3899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:09,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9713 Valid, 9633 Invalid, 7683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3784 Valid, 3899 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-11-28 05:20:09,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4702 states. [2024-11-28 05:20:10,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4702 to 4699. [2024-11-28 05:20:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4699 states, 2735 states have (on average 1.1985374771480803) internal successors, (3278), 2865 states have internal predecessors, (3278), 1921 states have call successors, (1921), 43 states have call predecessors, (1921), 42 states have return successors, (1920), 1819 states have call predecessors, (1920), 1920 states have call successors, (1920) [2024-11-28 05:20:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4699 states and 7119 transitions. [2024-11-28 05:20:10,706 INFO L78 Accepts]: Start accepts. Automaton has 4699 states and 7119 transitions. Word has length 1442 [2024-11-28 05:20:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:10,709 INFO L471 AbstractCegarLoop]: Abstraction has 4699 states and 7119 transitions. [2024-11-28 05:20:10,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.333333333333336) internal successors, (368), 6 states have internal predecessors, (368), 4 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (220), 4 states have call predecessors, (220), 4 states have call successors, (220) [2024-11-28 05:20:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 7119 transitions. [2024-11-28 05:20:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1444 [2024-11-28 05:20:10,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:10,731 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] [2024-11-28 05:20:10,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:20:10,731 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:10,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:10,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1329972407, now seen corresponding path program 1 times [2024-11-28 05:20:10,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:10,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552238023] [2024-11-28 05:20:10,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:10,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:14,405 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 05:20:14,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:14,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552238023] [2024-11-28 05:20:14,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552238023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:14,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:14,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:20:14,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919168271] [2024-11-28 05:20:14,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:14,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:20:14,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:14,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:20:14,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:20:14,410 INFO L87 Difference]: Start difference. First operand 4699 states and 7119 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, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-28 05:20:15,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:15,143 INFO L93 Difference]: Finished difference Result 8691 states and 13185 transitions. [2024-11-28 05:20:15,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:20:15,143 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, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) Word has length 1443 [2024-11-28 05:20:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:15,193 INFO L225 Difference]: With dead ends: 8691 [2024-11-28 05:20:15,193 INFO L226 Difference]: Without dead ends: 4702 [2024-11-28 05:20:15,226 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 05:20:15,227 INFO L435 NwaCegarLoop]: 6295 mSDtfsCounter, 3662 mSDsluCounter, 12280 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3662 SdHoareTripleChecker+Valid, 18575 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:15,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3662 Valid, 18575 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:20:15,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4702 states. [2024-11-28 05:20:16,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4702 to 4699. [2024-11-28 05:20:16,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4699 states, 2735 states have (on average 1.1981718464351006) internal successors, (3277), 2865 states have internal predecessors, (3277), 1921 states have call successors, (1921), 43 states have call predecessors, (1921), 42 states have return successors, (1920), 1819 states have call predecessors, (1920), 1920 states have call successors, (1920) [2024-11-28 05:20:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4699 states and 7118 transitions. [2024-11-28 05:20:16,546 INFO L78 Accepts]: Start accepts. Automaton has 4699 states and 7118 transitions. Word has length 1443 [2024-11-28 05:20:16,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:16,548 INFO L471 AbstractCegarLoop]: Abstraction has 4699 states and 7118 transitions. [2024-11-28 05:20:16,549 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, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-28 05:20:16,549 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 7118 transitions. [2024-11-28 05:20:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1448 [2024-11-28 05:20:16,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:16,571 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, 1, 1] [2024-11-28 05:20:16,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:20:16,571 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:16,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:16,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1959445852, now seen corresponding path program 1 times [2024-11-28 05:20:16,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:16,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509987966] [2024-11-28 05:20:16,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:16,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:19,756 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 05:20:19,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:19,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509987966] [2024-11-28 05:20:19,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509987966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:19,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:19,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:20:19,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167238610] [2024-11-28 05:20:19,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:19,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:20:19,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:19,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:20:19,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:20:19,761 INFO L87 Difference]: Start difference. First operand 4699 states and 7118 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, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 05:20:20,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:20,357 INFO L93 Difference]: Finished difference Result 8689 states and 13180 transitions. [2024-11-28 05:20:20,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:20:20,358 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, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1447 [2024-11-28 05:20:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:20,394 INFO L225 Difference]: With dead ends: 8689 [2024-11-28 05:20:20,394 INFO L226 Difference]: Without dead ends: 4700 [2024-11-28 05:20:20,420 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 05:20:20,420 INFO L435 NwaCegarLoop]: 6274 mSDtfsCounter, 4488 mSDsluCounter, 10681 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4488 SdHoareTripleChecker+Valid, 16955 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:20,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4488 Valid, 16955 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:20:20,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2024-11-28 05:20:21,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4697. [2024-11-28 05:20:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4697 states, 2734 states have (on average 1.197878566203365) internal successors, (3275), 2864 states have internal predecessors, (3275), 1920 states have call successors, (1920), 43 states have call predecessors, (1920), 42 states have return successors, (1919), 1818 states have call predecessors, (1919), 1919 states have call successors, (1919) [2024-11-28 05:20:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4697 states and 7114 transitions. [2024-11-28 05:20:21,807 INFO L78 Accepts]: Start accepts. Automaton has 4697 states and 7114 transitions. Word has length 1447 [2024-11-28 05:20:21,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:21,808 INFO L471 AbstractCegarLoop]: Abstraction has 4697 states and 7114 transitions. [2024-11-28 05:20:21,809 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, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 05:20:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 7114 transitions. [2024-11-28 05:20:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1449 [2024-11-28 05:20:21,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:21,831 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, 1, 1] [2024-11-28 05:20:21,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 05:20:21,831 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:21,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:21,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2108147274, now seen corresponding path program 1 times [2024-11-28 05:20:21,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:21,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530427166] [2024-11-28 05:20:21,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:21,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:25,299 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 05:20:25,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:25,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530427166] [2024-11-28 05:20:25,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530427166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:25,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:25,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:20:25,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684698939] [2024-11-28 05:20:25,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:25,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:20:25,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:25,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:20:25,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:20:25,302 INFO L87 Difference]: Start difference. First operand 4697 states and 7114 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, (223), 2 states have call predecessors, (223), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 05:20:25,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:25,821 INFO L93 Difference]: Finished difference Result 8682 states and 13169 transitions. [2024-11-28 05:20:25,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:20:25,821 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, (223), 2 states have call predecessors, (223), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1448 [2024-11-28 05:20:25,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:25,857 INFO L225 Difference]: With dead ends: 8682 [2024-11-28 05:20:25,857 INFO L226 Difference]: Without dead ends: 4695 [2024-11-28 05:20:25,881 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 05:20:25,882 INFO L435 NwaCegarLoop]: 5234 mSDtfsCounter, 4395 mSDsluCounter, 7553 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4395 SdHoareTripleChecker+Valid, 12787 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:25,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4395 Valid, 12787 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:20:25,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2024-11-28 05:20:26,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4695. [2024-11-28 05:20:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4695 states, 2733 states have (on average 1.1975850713501646) internal successors, (3273), 2863 states have internal predecessors, (3273), 1919 states have call successors, (1919), 43 states have call predecessors, (1919), 42 states have return successors, (1918), 1817 states have call predecessors, (1918), 1918 states have call successors, (1918) [2024-11-28 05:20:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 7110 transitions. [2024-11-28 05:20:26,959 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 7110 transitions. Word has length 1448 [2024-11-28 05:20:26,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:26,961 INFO L471 AbstractCegarLoop]: Abstraction has 4695 states and 7110 transitions. [2024-11-28 05:20:26,961 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, (223), 2 states have call predecessors, (223), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 05:20:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 7110 transitions. [2024-11-28 05:20:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1449 [2024-11-28 05:20:26,989 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:26,989 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] [2024-11-28 05:20:26,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:20:26,990 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:26,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:26,991 INFO L85 PathProgramCache]: Analyzing trace with hash -2073193754, now seen corresponding path program 1 times [2024-11-28 05:20:26,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:26,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927795709] [2024-11-28 05:20:26,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:26,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:30,521 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 05:20:30,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:30,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927795709] [2024-11-28 05:20:30,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927795709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:30,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:30,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:20:30,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396432788] [2024-11-28 05:20:30,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:30,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:20:30,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:30,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:20:30,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:20:30,526 INFO L87 Difference]: Start difference. First operand 4695 states and 7110 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, (223), 2 states have call predecessors, (223), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 05:20:31,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:31,157 INFO L93 Difference]: Finished difference Result 8683 states and 13167 transitions. [2024-11-28 05:20:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:20:31,158 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, (223), 2 states have call predecessors, (223), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1448 [2024-11-28 05:20:31,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:31,193 INFO L225 Difference]: With dead ends: 8683 [2024-11-28 05:20:31,194 INFO L226 Difference]: Without dead ends: 4698 [2024-11-28 05:20:31,215 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 05:20:31,216 INFO L435 NwaCegarLoop]: 6286 mSDtfsCounter, 3646 mSDsluCounter, 12270 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3646 SdHoareTripleChecker+Valid, 18556 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 05:20:31,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3646 Valid, 18556 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:20:31,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4698 states. [2024-11-28 05:20:32,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4698 to 4695. [2024-11-28 05:20:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4695 states, 2733 states have (on average 1.1972191730698867) internal successors, (3272), 2863 states have internal predecessors, (3272), 1919 states have call successors, (1919), 43 states have call predecessors, (1919), 42 states have return successors, (1918), 1817 states have call predecessors, (1918), 1918 states have call successors, (1918) [2024-11-28 05:20:32,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 7109 transitions. [2024-11-28 05:20:32,537 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 7109 transitions. Word has length 1448 [2024-11-28 05:20:32,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:32,538 INFO L471 AbstractCegarLoop]: Abstraction has 4695 states and 7109 transitions. [2024-11-28 05:20:32,538 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, (223), 2 states have call predecessors, (223), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 05:20:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 7109 transitions. [2024-11-28 05:20:32,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1453 [2024-11-28 05:20:32,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:32,556 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, 1, 1] [2024-11-28 05:20:32,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 05:20:32,556 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:32,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:32,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1355616294, now seen corresponding path program 1 times [2024-11-28 05:20:32,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:32,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616120752] [2024-11-28 05:20:32,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:32,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:35,670 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 05:20:35,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:35,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616120752] [2024-11-28 05:20:35,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616120752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:35,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:35,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:20:35,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694023010] [2024-11-28 05:20:35,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:35,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:20:35,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:35,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:20:35,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:20:35,673 INFO L87 Difference]: Start difference. First operand 4695 states and 7109 transitions. Second operand has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 3 states have call successors, (224), 2 states have call predecessors, (224), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) [2024-11-28 05:20:40,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:40,687 INFO L93 Difference]: Finished difference Result 8681 states and 13162 transitions. [2024-11-28 05:20:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:20:40,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 3 states have call successors, (224), 2 states have call predecessors, (224), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) Word has length 1452 [2024-11-28 05:20:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:40,729 INFO L225 Difference]: With dead ends: 8681 [2024-11-28 05:20:40,729 INFO L226 Difference]: Without dead ends: 4696 [2024-11-28 05:20:40,754 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 05:20:40,755 INFO L435 NwaCegarLoop]: 6265 mSDtfsCounter, 6384 mSDsluCounter, 8466 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2611 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6384 SdHoareTripleChecker+Valid, 14731 SdHoareTripleChecker+Invalid, 2736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2611 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:40,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6384 Valid, 14731 Invalid, 2736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2611 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 05:20:40,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4696 states. [2024-11-28 05:20:42,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4696 to 4693. [2024-11-28 05:20:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4693 states, 2732 states have (on average 1.1969253294289897) internal successors, (3270), 2862 states have internal predecessors, (3270), 1918 states have call successors, (1918), 43 states have call predecessors, (1918), 42 states have return successors, (1917), 1816 states have call predecessors, (1917), 1917 states have call successors, (1917) [2024-11-28 05:20:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 7105 transitions. [2024-11-28 05:20:42,241 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 7105 transitions. Word has length 1452 [2024-11-28 05:20:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:42,242 INFO L471 AbstractCegarLoop]: Abstraction has 4693 states and 7105 transitions. [2024-11-28 05:20:42,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 3 states have call successors, (224), 2 states have call predecessors, (224), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) [2024-11-28 05:20:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 7105 transitions. [2024-11-28 05:20:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1454 [2024-11-28 05:20:42,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:42,256 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 4, 4, 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] [2024-11-28 05:20:42,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 05:20:42,256 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:42,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:42,257 INFO L85 PathProgramCache]: Analyzing trace with hash 665245103, now seen corresponding path program 1 times [2024-11-28 05:20:42,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:42,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952896320] [2024-11-28 05:20:42,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:42,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 86975 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86975 trivial. 0 not checked. [2024-11-28 05:20:45,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:45,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952896320] [2024-11-28 05:20:45,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952896320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:45,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:45,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:20:45,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017552833] [2024-11-28 05:20:45,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:45,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:20:45,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:45,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:20:45,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:20:45,528 INFO L87 Difference]: Start difference. First operand 4693 states and 7105 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, (224), 2 states have call predecessors, (224), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) [2024-11-28 05:20:50,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:50,661 INFO L93 Difference]: Finished difference Result 8674 states and 13151 transitions. [2024-11-28 05:20:50,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:20:50,662 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, (224), 2 states have call predecessors, (224), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) Word has length 1453 [2024-11-28 05:20:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:50,699 INFO L225 Difference]: With dead ends: 8674 [2024-11-28 05:20:50,699 INFO L226 Difference]: Without dead ends: 4691 [2024-11-28 05:20:50,720 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 05:20:50,721 INFO L435 NwaCegarLoop]: 5225 mSDtfsCounter, 6251 mSDsluCounter, 6382 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6251 SdHoareTripleChecker+Valid, 11607 SdHoareTripleChecker+Invalid, 2668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2558 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:50,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6251 Valid, 11607 Invalid, 2668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2558 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 05:20:50,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2024-11-28 05:20:51,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4691. [2024-11-28 05:20:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4691 states, 2731 states have (on average 1.196631270596851) internal successors, (3268), 2861 states have internal predecessors, (3268), 1917 states have call successors, (1917), 43 states have call predecessors, (1917), 42 states have return successors, (1916), 1815 states have call predecessors, (1916), 1916 states have call successors, (1916) [2024-11-28 05:20:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4691 states to 4691 states and 7101 transitions. [2024-11-28 05:20:51,644 INFO L78 Accepts]: Start accepts. Automaton has 4691 states and 7101 transitions. Word has length 1453 [2024-11-28 05:20:51,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:51,645 INFO L471 AbstractCegarLoop]: Abstraction has 4691 states and 7101 transitions. [2024-11-28 05:20:51,645 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, (224), 2 states have call predecessors, (224), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) [2024-11-28 05:20:51,645 INFO L276 IsEmpty]: Start isEmpty. Operand 4691 states and 7101 transitions. [2024-11-28 05:20:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1454 [2024-11-28 05:20:51,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:51,667 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, 1, 1] [2024-11-28 05:20:51,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 05:20:51,667 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:51,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:51,668 INFO L85 PathProgramCache]: Analyzing trace with hash -7568372, now seen corresponding path program 1 times [2024-11-28 05:20:51,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:51,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212762585] [2024-11-28 05:20:51,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:51,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:55,211 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 05:20:55,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:55,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212762585] [2024-11-28 05:20:55,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212762585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:55,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:55,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:20:55,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705727341] [2024-11-28 05:20:55,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:55,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:20:55,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:55,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:20:55,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:20:55,214 INFO L87 Difference]: Start difference. First operand 4691 states and 7101 transitions. Second operand has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 4 states have call successors, (224), 2 states have call predecessors, (224), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) [2024-11-28 05:21:08,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:08,510 INFO L93 Difference]: Finished difference Result 8670 states and 13145 transitions. [2024-11-28 05:21:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:21:08,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 4 states have call successors, (224), 2 states have call predecessors, (224), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) Word has length 1453 [2024-11-28 05:21:08,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:08,552 INFO L225 Difference]: With dead ends: 8670 [2024-11-28 05:21:08,552 INFO L226 Difference]: Without dead ends: 4689 [2024-11-28 05:21:08,578 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 05:21:08,578 INFO L435 NwaCegarLoop]: 5553 mSDtfsCounter, 7413 mSDsluCounter, 4254 mSDsCounter, 0 mSdLazyCounter, 5855 mSolverCounterSat, 2558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7413 SdHoareTripleChecker+Valid, 9807 SdHoareTripleChecker+Invalid, 8413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2558 IncrementalHoareTripleChecker+Valid, 5855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:08,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7413 Valid, 9807 Invalid, 8413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2558 Valid, 5855 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2024-11-28 05:21:08,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4689 states. [2024-11-28 05:21:09,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4689 to 4689. [2024-11-28 05:21:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4689 states, 2730 states have (on average 1.1963369963369963) internal successors, (3266), 2860 states have internal predecessors, (3266), 1916 states have call successors, (1916), 43 states have call predecessors, (1916), 42 states have return successors, (1915), 1814 states have call predecessors, (1915), 1915 states have call successors, (1915) [2024-11-28 05:21:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 4689 states and 7097 transitions. [2024-11-28 05:21:09,553 INFO L78 Accepts]: Start accepts. Automaton has 4689 states and 7097 transitions. Word has length 1453 [2024-11-28 05:21:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:09,555 INFO L471 AbstractCegarLoop]: Abstraction has 4689 states and 7097 transitions. [2024-11-28 05:21:09,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 4 states have call successors, (224), 2 states have call predecessors, (224), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) [2024-11-28 05:21:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4689 states and 7097 transitions. [2024-11-28 05:21:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1454 [2024-11-28 05:21:09,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:09,579 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, 1, 1] [2024-11-28 05:21:09,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 05:21:09,580 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:09,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:09,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1071524196, now seen corresponding path program 1 times [2024-11-28 05:21:09,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:09,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038820478] [2024-11-28 05:21:09,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:09,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:18,557 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 05:21:18,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:18,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038820478] [2024-11-28 05:21:18,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038820478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:18,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:18,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:21:18,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720652942] [2024-11-28 05:21:18,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:18,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:21:18,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:18,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:21:18,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:21:18,560 INFO L87 Difference]: Start difference. First operand 4689 states and 7097 transitions. Second operand has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 5 states have internal predecessors, (364), 3 states have call successors, (223), 3 states have call predecessors, (223), 2 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 05:21:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:32,410 INFO L93 Difference]: Finished difference Result 8302 states and 12587 transitions. [2024-11-28 05:21:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:21:32,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 5 states have internal predecessors, (364), 3 states have call successors, (223), 3 states have call predecessors, (223), 2 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1453 [2024-11-28 05:21:32,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:32,484 INFO L225 Difference]: With dead ends: 8302 [2024-11-28 05:21:32,484 INFO L226 Difference]: Without dead ends: 8300 [2024-11-28 05:21:32,489 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 05:21:32,490 INFO L435 NwaCegarLoop]: 6314 mSDtfsCounter, 6194 mSDsluCounter, 15911 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 1419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6611 SdHoareTripleChecker+Valid, 22225 SdHoareTripleChecker+Invalid, 6187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1419 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:32,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6611 Valid, 22225 Invalid, 6187 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1419 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2024-11-28 05:21:32,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8300 states. [2024-11-28 05:21:35,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8300 to 8272. [2024-11-28 05:21:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8272 states, 4766 states have (on average 1.1898866974402014) internal successors, (5671), 5020 states have internal predecessors, (5671), 3430 states have call successors, (3430), 75 states have call predecessors, (3430), 75 states have return successors, (3457), 3231 states have call predecessors, (3457), 3428 states have call successors, (3457) [2024-11-28 05:21:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8272 states to 8272 states and 12558 transitions. [2024-11-28 05:21:35,225 INFO L78 Accepts]: Start accepts. Automaton has 8272 states and 12558 transitions. Word has length 1453 [2024-11-28 05:21:35,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:35,226 INFO L471 AbstractCegarLoop]: Abstraction has 8272 states and 12558 transitions. [2024-11-28 05:21:35,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 5 states have internal predecessors, (364), 3 states have call successors, (223), 3 states have call predecessors, (223), 2 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-28 05:21:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 8272 states and 12558 transitions. [2024-11-28 05:21:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1485 [2024-11-28 05:21:35,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:35,240 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:21:35,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 05:21:35,241 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:35,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:35,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1696820175, now seen corresponding path program 1 times [2024-11-28 05:21:35,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:35,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033147103] [2024-11-28 05:21:35,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:35,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:39,543 INFO L134 CoverageAnalysis]: Checked inductivity of 87004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87004 trivial. 0 not checked. [2024-11-28 05:21:39,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:39,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033147103] [2024-11-28 05:21:39,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033147103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:39,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:39,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:21:39,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518286046] [2024-11-28 05:21:39,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:39,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:21:39,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:39,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:21:39,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:21:39,547 INFO L87 Difference]: Start difference. First operand 8272 states and 12558 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, (224), 3 states have call predecessors, (224), 3 states have call successors, (224) [2024-11-28 05:21:40,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:40,636 INFO L93 Difference]: Finished difference Result 15837 states and 24093 transitions. [2024-11-28 05:21:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:21:40,637 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, (224), 3 states have call predecessors, (224), 3 states have call successors, (224) Word has length 1484 [2024-11-28 05:21:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:40,753 INFO L225 Difference]: With dead ends: 15837 [2024-11-28 05:21:40,753 INFO L226 Difference]: Without dead ends: 8275 [2024-11-28 05:21:40,845 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 05:21:40,845 INFO L435 NwaCegarLoop]: 6277 mSDtfsCounter, 3645 mSDsluCounter, 12261 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3645 SdHoareTripleChecker+Valid, 18538 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 05:21:40,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3645 Valid, 18538 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:21:40,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8275 states. [2024-11-28 05:21:43,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8275 to 8272. [2024-11-28 05:21:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8272 states, 4766 states have (on average 1.1896768778850189) internal successors, (5670), 5020 states have internal predecessors, (5670), 3430 states have call successors, (3430), 75 states have call predecessors, (3430), 75 states have return successors, (3457), 3231 states have call predecessors, (3457), 3428 states have call successors, (3457) [2024-11-28 05:21:43,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8272 states to 8272 states and 12557 transitions. [2024-11-28 05:21:43,834 INFO L78 Accepts]: Start accepts. Automaton has 8272 states and 12557 transitions. Word has length 1484 [2024-11-28 05:21:43,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:43,835 INFO L471 AbstractCegarLoop]: Abstraction has 8272 states and 12557 transitions. [2024-11-28 05:21:43,835 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, (224), 3 states have call predecessors, (224), 3 states have call successors, (224) [2024-11-28 05:21:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 8272 states and 12557 transitions. [2024-11-28 05:21:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1489 [2024-11-28 05:21:43,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:43,852 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:21:43,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 05:21:43,852 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:43,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:43,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1514958042, now seen corresponding path program 1 times [2024-11-28 05:21:43,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:43,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688537217] [2024-11-28 05:21:43,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:43,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 87004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87004 trivial. 0 not checked. [2024-11-28 05:21:48,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:48,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688537217] [2024-11-28 05:21:48,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688537217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:48,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:48,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:21:48,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604968910] [2024-11-28 05:21:48,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:48,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:21:48,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:48,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:21:48,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:21:48,924 INFO L87 Difference]: Start difference. First operand 8272 states and 12557 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, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) [2024-11-28 05:21:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:50,086 INFO L93 Difference]: Finished difference Result 15835 states and 24088 transitions. [2024-11-28 05:21:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:21:50,087 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, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) Word has length 1488 [2024-11-28 05:21:50,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:50,161 INFO L225 Difference]: With dead ends: 15835 [2024-11-28 05:21:50,161 INFO L226 Difference]: Without dead ends: 8273 [2024-11-28 05:21:50,224 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 05:21:50,224 INFO L435 NwaCegarLoop]: 6256 mSDtfsCounter, 4475 mSDsluCounter, 10662 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4475 SdHoareTripleChecker+Valid, 16918 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 05:21:50,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4475 Valid, 16918 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:21:50,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8273 states. [2024-11-28 05:21:52,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8273 to 8270. [2024-11-28 05:21:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8270 states, 4765 states have (on average 1.1895068205666317) internal successors, (5668), 5019 states have internal predecessors, (5668), 3429 states have call successors, (3429), 75 states have call predecessors, (3429), 75 states have return successors, (3456), 3230 states have call predecessors, (3456), 3427 states have call successors, (3456) [2024-11-28 05:21:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8270 states to 8270 states and 12553 transitions. [2024-11-28 05:21:52,938 INFO L78 Accepts]: Start accepts. Automaton has 8270 states and 12553 transitions. Word has length 1488 [2024-11-28 05:21:52,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:52,939 INFO L471 AbstractCegarLoop]: Abstraction has 8270 states and 12553 transitions. [2024-11-28 05:21:52,939 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, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) [2024-11-28 05:21:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 8270 states and 12553 transitions. [2024-11-28 05:21:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1490 [2024-11-28 05:21:52,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:52,955 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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 05:21:52,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 05:21:52,956 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:52,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:52,957 INFO L85 PathProgramCache]: Analyzing trace with hash -2052572420, now seen corresponding path program 1 times [2024-11-28 05:21:52,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:52,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697932193] [2024-11-28 05:21:52,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:52,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 87004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87004 trivial. 0 not checked. [2024-11-28 05:21:58,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:58,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697932193] [2024-11-28 05:21:58,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697932193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:58,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:58,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:21:58,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209477644] [2024-11-28 05:21:58,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:58,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:21:58,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:58,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:21:58,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:21:58,325 INFO L87 Difference]: Start difference. First operand 8270 states and 12553 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, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) [2024-11-28 05:21:59,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:59,369 INFO L93 Difference]: Finished difference Result 15828 states and 24077 transitions. [2024-11-28 05:21:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:21:59,371 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, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) Word has length 1489 [2024-11-28 05:21:59,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:59,457 INFO L225 Difference]: With dead ends: 15828 [2024-11-28 05:21:59,457 INFO L226 Difference]: Without dead ends: 8268 [2024-11-28 05:21:59,530 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 05:21:59,532 INFO L435 NwaCegarLoop]: 5216 mSDtfsCounter, 4378 mSDsluCounter, 7534 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4378 SdHoareTripleChecker+Valid, 12750 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:59,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4378 Valid, 12750 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:21:59,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8268 states. [2024-11-28 05:22:02,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8268 to 8268. [2024-11-28 05:22:02,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8268 states, 4764 states have (on average 1.1893366918555834) internal successors, (5666), 5018 states have internal predecessors, (5666), 3428 states have call successors, (3428), 75 states have call predecessors, (3428), 75 states have return successors, (3455), 3229 states have call predecessors, (3455), 3426 states have call successors, (3455) [2024-11-28 05:22:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8268 states to 8268 states and 12549 transitions. [2024-11-28 05:22:02,829 INFO L78 Accepts]: Start accepts. Automaton has 8268 states and 12549 transitions. Word has length 1489 [2024-11-28 05:22:02,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:02,831 INFO L471 AbstractCegarLoop]: Abstraction has 8268 states and 12549 transitions. [2024-11-28 05:22:02,832 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, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) [2024-11-28 05:22:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 8268 states and 12549 transitions. [2024-11-28 05:22:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1490 [2024-11-28 05:22:02,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:02,867 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:22:02,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 05:22:02,867 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:22:02,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:02,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1079557718, now seen corresponding path program 1 times [2024-11-28 05:22:02,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:02,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41911975] [2024-11-28 05:22:02,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:02,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 87022 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87022 trivial. 0 not checked. [2024-11-28 05:22:08,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:08,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41911975] [2024-11-28 05:22:08,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41911975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:08,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:08,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:22:08,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996986564] [2024-11-28 05:22:08,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:08,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:22:08,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:08,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:22:08,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:22:08,717 INFO L87 Difference]: Start difference. First operand 8268 states and 12549 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, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) [2024-11-28 05:22:09,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:09,248 INFO L93 Difference]: Finished difference Result 15829 states and 24076 transitions. [2024-11-28 05:22:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:22:09,249 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, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) Word has length 1489 [2024-11-28 05:22:09,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:09,342 INFO L225 Difference]: With dead ends: 15829 [2024-11-28 05:22:09,342 INFO L226 Difference]: Without dead ends: 8271 [2024-11-28 05:22:09,417 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 05:22:09,418 INFO L435 NwaCegarLoop]: 5219 mSDtfsCounter, 13 mSDsluCounter, 5180 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 10399 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 05:22:09,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 10399 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:22:09,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8271 states. [2024-11-28 05:22:12,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8271 to 8269. [2024-11-28 05:22:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8269 states, 4765 states have (on average 1.1892969569779643) internal successors, (5667), 5019 states have internal predecessors, (5667), 3428 states have call successors, (3428), 75 states have call predecessors, (3428), 75 states have return successors, (3455), 3229 states have call predecessors, (3455), 3426 states have call successors, (3455) [2024-11-28 05:22:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8269 states to 8269 states and 12550 transitions. [2024-11-28 05:22:12,682 INFO L78 Accepts]: Start accepts. Automaton has 8269 states and 12550 transitions. Word has length 1489 [2024-11-28 05:22:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:12,683 INFO L471 AbstractCegarLoop]: Abstraction has 8269 states and 12550 transitions. [2024-11-28 05:22:12,684 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, (225), 3 states have call predecessors, (225), 3 states have call successors, (225) [2024-11-28 05:22:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 8269 states and 12550 transitions. [2024-11-28 05:22:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1517 [2024-11-28 05:22:12,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:12,707 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:22:12,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 05:22:12,707 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:22:12,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:12,709 INFO L85 PathProgramCache]: Analyzing trace with hash -378718040, now seen corresponding path program 1 times [2024-11-28 05:22:12,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:12,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128936631] [2024-11-28 05:22:12,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:12,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 87022 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87022 trivial. 0 not checked. [2024-11-28 05:22:17,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:17,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128936631] [2024-11-28 05:22:17,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128936631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:17,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:17,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:22:17,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892058141] [2024-11-28 05:22:17,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:17,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:22:17,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:17,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:22:17,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:22:17,326 INFO L87 Difference]: Start difference. First operand 8269 states and 12550 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, (228), 3 states have call predecessors, (228), 3 states have call successors, (228) [2024-11-28 05:22:33,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:33,176 INFO L93 Difference]: Finished difference Result 15831 states and 24078 transitions. [2024-11-28 05:22:33,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:22:33,177 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, (228), 3 states have call predecessors, (228), 3 states have call successors, (228) Word has length 1516 [2024-11-28 05:22:33,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:33,279 INFO L225 Difference]: With dead ends: 15831 [2024-11-28 05:22:33,279 INFO L226 Difference]: Without dead ends: 8272 [2024-11-28 05:22:33,341 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 05:22:33,342 INFO L435 NwaCegarLoop]: 6642 mSDtfsCounter, 8228 mSDsluCounter, 4461 mSDsCounter, 0 mSdLazyCounter, 5993 mSolverCounterSat, 2110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8228 SdHoareTripleChecker+Valid, 11103 SdHoareTripleChecker+Invalid, 8103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2110 IncrementalHoareTripleChecker+Valid, 5993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:33,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8228 Valid, 11103 Invalid, 8103 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2110 Valid, 5993 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2024-11-28 05:22:33,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8272 states. [2024-11-28 05:22:36,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8272 to 8269. [2024-11-28 05:22:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8269 states, 4765 states have (on average 1.189087093389297) internal successors, (5666), 5019 states have internal predecessors, (5666), 3428 states have call successors, (3428), 75 states have call predecessors, (3428), 75 states have return successors, (3455), 3229 states have call predecessors, (3455), 3426 states have call successors, (3455) [2024-11-28 05:22:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8269 states to 8269 states and 12549 transitions. [2024-11-28 05:22:36,613 INFO L78 Accepts]: Start accepts. Automaton has 8269 states and 12549 transitions. Word has length 1516 [2024-11-28 05:22:36,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:36,614 INFO L471 AbstractCegarLoop]: Abstraction has 8269 states and 12549 transitions. [2024-11-28 05:22:36,615 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, (228), 3 states have call predecessors, (228), 3 states have call successors, (228) [2024-11-28 05:22:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 8269 states and 12549 transitions. [2024-11-28 05:22:36,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2024-11-28 05:22:36,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:36,631 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:22:36,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 05:22:36,632 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:22:36,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:36,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1663860500, now seen corresponding path program 1 times [2024-11-28 05:22:36,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:36,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682963637] [2024-11-28 05:22:36,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:36,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 87022 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87022 trivial. 0 not checked. [2024-11-28 05:22:41,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:41,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682963637] [2024-11-28 05:22:41,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682963637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:41,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:41,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:22:41,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641966574] [2024-11-28 05:22:41,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:41,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:22:41,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:41,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:22:41,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:22:41,222 INFO L87 Difference]: Start difference. First operand 8269 states and 12549 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, (229), 4 states have call predecessors, (229), 4 states have call successors, (229) [2024-11-28 05:22:57,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:57,110 INFO L93 Difference]: Finished difference Result 15829 states and 24073 transitions. [2024-11-28 05:22:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:22:57,111 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, (229), 4 states have call predecessors, (229), 4 states have call successors, (229) Word has length 1520 [2024-11-28 05:22:57,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:57,205 INFO L225 Difference]: With dead ends: 15829 [2024-11-28 05:22:57,205 INFO L226 Difference]: Without dead ends: 8270 [2024-11-28 05:22:57,272 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 05:22:57,272 INFO L435 NwaCegarLoop]: 6665 mSDtfsCounter, 8578 mSDsluCounter, 4791 mSDsCounter, 0 mSdLazyCounter, 6520 mSolverCounterSat, 2610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8578 SdHoareTripleChecker+Valid, 11456 SdHoareTripleChecker+Invalid, 9130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2610 IncrementalHoareTripleChecker+Valid, 6520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:57,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8578 Valid, 11456 Invalid, 9130 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2610 Valid, 6520 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2024-11-28 05:22:57,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8270 states. [2024-11-28 05:23:00,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8270 to 8267. [2024-11-28 05:23:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8267 states, 4764 states have (on average 1.1889168765743072) internal successors, (5664), 5018 states have internal predecessors, (5664), 3427 states have call successors, (3427), 75 states have call predecessors, (3427), 75 states have return successors, (3454), 3228 states have call predecessors, (3454), 3425 states have call successors, (3454) [2024-11-28 05:23:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8267 states to 8267 states and 12545 transitions. [2024-11-28 05:23:00,705 INFO L78 Accepts]: Start accepts. Automaton has 8267 states and 12545 transitions. Word has length 1520 [2024-11-28 05:23:00,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:00,706 INFO L471 AbstractCegarLoop]: Abstraction has 8267 states and 12545 transitions. [2024-11-28 05:23:00,706 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, (229), 4 states have call predecessors, (229), 4 states have call successors, (229) [2024-11-28 05:23:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 8267 states and 12545 transitions. [2024-11-28 05:23:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1522 [2024-11-28 05:23:00,723 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:00,724 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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 05:23:00,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 05:23:00,725 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:00,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:00,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1660904855, now seen corresponding path program 1 times [2024-11-28 05:23:00,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:00,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393408040] [2024-11-28 05:23:00,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:00,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 87022 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87022 trivial. 0 not checked. [2024-11-28 05:23:05,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:05,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393408040] [2024-11-28 05:23:05,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393408040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:05,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:05,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:23:05,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088655402] [2024-11-28 05:23:05,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:05,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:23:05,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:05,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:23:05,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:23:05,414 INFO L87 Difference]: Start difference. First operand 8267 states and 12545 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, (229), 4 states have call predecessors, (229), 4 states have call successors, (229) [2024-11-28 05:23:19,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:19,009 INFO L93 Difference]: Finished difference Result 15818 states and 24060 transitions. [2024-11-28 05:23:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:23:19,009 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, (229), 4 states have call predecessors, (229), 4 states have call successors, (229) Word has length 1521 [2024-11-28 05:23:19,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:19,110 INFO L225 Difference]: With dead ends: 15818 [2024-11-28 05:23:19,110 INFO L226 Difference]: Without dead ends: 8261 [2024-11-28 05:23:19,181 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 05:23:19,182 INFO L435 NwaCegarLoop]: 5540 mSDtfsCounter, 7417 mSDsluCounter, 4238 mSDsCounter, 0 mSdLazyCounter, 5845 mSolverCounterSat, 2555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7417 SdHoareTripleChecker+Valid, 9778 SdHoareTripleChecker+Invalid, 8400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2555 IncrementalHoareTripleChecker+Valid, 5845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:19,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7417 Valid, 9778 Invalid, 8400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2555 Valid, 5845 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2024-11-28 05:23:19,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8261 states. [2024-11-28 05:23:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8261 to 8261. [2024-11-28 05:23:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8261 states, 4761 states have (on average 1.1884057971014492) internal successors, (5658), 5015 states have internal predecessors, (5658), 3424 states have call successors, (3424), 75 states have call predecessors, (3424), 75 states have return successors, (3451), 3225 states have call predecessors, (3451), 3422 states have call successors, (3451) [2024-11-28 05:23:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8261 states to 8261 states and 12533 transitions. [2024-11-28 05:23:22,334 INFO L78 Accepts]: Start accepts. Automaton has 8261 states and 12533 transitions. Word has length 1521 [2024-11-28 05:23:22,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:22,335 INFO L471 AbstractCegarLoop]: Abstraction has 8261 states and 12533 transitions. [2024-11-28 05:23:22,335 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, (229), 4 states have call predecessors, (229), 4 states have call successors, (229) [2024-11-28 05:23:22,335 INFO L276 IsEmpty]: Start isEmpty. Operand 8261 states and 12533 transitions. [2024-11-28 05:23:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1522 [2024-11-28 05:23:22,360 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:22,361 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:23:22,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 05:23:22,361 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:22,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:22,362 INFO L85 PathProgramCache]: Analyzing trace with hash -705819646, now seen corresponding path program 1 times [2024-11-28 05:23:22,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:22,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256879206] [2024-11-28 05:23:22,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:22,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 87043 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87043 trivial. 0 not checked. [2024-11-28 05:23:27,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256879206] [2024-11-28 05:23:27,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256879206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:27,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:27,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:23:27,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772204440] [2024-11-28 05:23:27,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:27,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:23:27,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:27,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:23:27,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:23:27,216 INFO L87 Difference]: Start difference. First operand 8261 states and 12533 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, (229), 3 states have call predecessors, (229), 3 states have call successors, (229) [2024-11-28 05:23:41,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:41,362 INFO L93 Difference]: Finished difference Result 15815 states and 24044 transitions. [2024-11-28 05:23:41,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:23:41,363 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, (229), 3 states have call predecessors, (229), 3 states have call successors, (229) Word has length 1521 [2024-11-28 05:23:41,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:41,460 INFO L225 Difference]: With dead ends: 15815 [2024-11-28 05:23:41,460 INFO L226 Difference]: Without dead ends: 8264 [2024-11-28 05:23:41,522 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 05:23:41,523 INFO L435 NwaCegarLoop]: 6629 mSDtfsCounter, 8207 mSDsluCounter, 4449 mSDsCounter, 0 mSdLazyCounter, 5983 mSolverCounterSat, 2105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8207 SdHoareTripleChecker+Valid, 11078 SdHoareTripleChecker+Invalid, 8088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2105 IncrementalHoareTripleChecker+Valid, 5983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:41,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8207 Valid, 11078 Invalid, 8088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2105 Valid, 5983 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2024-11-28 05:23:41,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8264 states. [2024-11-28 05:23:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8264 to 8261. [2024-11-28 05:23:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8261 states, 4761 states have (on average 1.1881957571938668) internal successors, (5657), 5015 states have internal predecessors, (5657), 3424 states have call successors, (3424), 75 states have call predecessors, (3424), 75 states have return successors, (3451), 3225 states have call predecessors, (3451), 3422 states have call successors, (3451) [2024-11-28 05:23:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8261 states to 8261 states and 12532 transitions. [2024-11-28 05:23:44,215 INFO L78 Accepts]: Start accepts. Automaton has 8261 states and 12532 transitions. Word has length 1521 [2024-11-28 05:23:44,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:44,216 INFO L471 AbstractCegarLoop]: Abstraction has 8261 states and 12532 transitions. [2024-11-28 05:23:44,217 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, (229), 3 states have call predecessors, (229), 3 states have call successors, (229) [2024-11-28 05:23:44,217 INFO L276 IsEmpty]: Start isEmpty. Operand 8261 states and 12532 transitions. [2024-11-28 05:23:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1526 [2024-11-28 05:23:44,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:44,233 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:23:44,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 05:23:44,233 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:44,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:44,234 INFO L85 PathProgramCache]: Analyzing trace with hash -549993801, now seen corresponding path program 1 times [2024-11-28 05:23:44,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:44,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105736640] [2024-11-28 05:23:44,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:44,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 87043 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87043 trivial. 0 not checked. [2024-11-28 05:23:48,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:48,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105736640] [2024-11-28 05:23:48,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105736640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:48,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:48,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:23:48,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613321891] [2024-11-28 05:23:48,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:48,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:23:48,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:48,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:23:48,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:23:48,543 INFO L87 Difference]: Start difference. First operand 8261 states and 12532 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, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-28 05:24:04,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:04,020 INFO L93 Difference]: Finished difference Result 15813 states and 24039 transitions. [2024-11-28 05:24:04,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:24:04,021 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, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) Word has length 1525 [2024-11-28 05:24:04,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:04,132 INFO L225 Difference]: With dead ends: 15813 [2024-11-28 05:24:04,132 INFO L226 Difference]: Without dead ends: 8262 [2024-11-28 05:24:04,368 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 05:24:04,369 INFO L435 NwaCegarLoop]: 6652 mSDtfsCounter, 9616 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 3879 mSolverCounterSat, 3761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9616 SdHoareTripleChecker+Valid, 9563 SdHoareTripleChecker+Invalid, 7640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3761 IncrementalHoareTripleChecker+Valid, 3879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:04,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9616 Valid, 9563 Invalid, 7640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3761 Valid, 3879 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2024-11-28 05:24:04,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8262 states. [2024-11-28 05:24:06,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8262 to 8259. [2024-11-28 05:24:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8259 states, 4760 states have (on average 1.1880252100840336) internal successors, (5655), 5014 states have internal predecessors, (5655), 3423 states have call successors, (3423), 75 states have call predecessors, (3423), 75 states have return successors, (3450), 3224 states have call predecessors, (3450), 3421 states have call successors, (3450) [2024-11-28 05:24:06,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8259 states to 8259 states and 12528 transitions. [2024-11-28 05:24:06,935 INFO L78 Accepts]: Start accepts. Automaton has 8259 states and 12528 transitions. Word has length 1525 [2024-11-28 05:24:06,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:06,936 INFO L471 AbstractCegarLoop]: Abstraction has 8259 states and 12528 transitions. [2024-11-28 05:24:06,936 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, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-28 05:24:06,936 INFO L276 IsEmpty]: Start isEmpty. Operand 8259 states and 12528 transitions. [2024-11-28 05:24:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1527 [2024-11-28 05:24:06,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:06,962 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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 05:24:06,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 05:24:06,962 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:06,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:06,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1088029457, now seen corresponding path program 1 times [2024-11-28 05:24:06,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:06,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372606771] [2024-11-28 05:24:06,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:06,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:11,341 INFO L134 CoverageAnalysis]: Checked inductivity of 87043 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87043 trivial. 0 not checked. [2024-11-28 05:24:11,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:11,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372606771] [2024-11-28 05:24:11,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372606771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:11,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:11,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:24:11,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751524736] [2024-11-28 05:24:11,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:11,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:24:11,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:11,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:24:11,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:24:11,345 INFO L87 Difference]: Start difference. First operand 8259 states and 12528 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, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-28 05:24:24,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:24,546 INFO L93 Difference]: Finished difference Result 15802 states and 24026 transitions. [2024-11-28 05:24:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:24:24,547 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, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) Word has length 1526 [2024-11-28 05:24:24,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:24,657 INFO L225 Difference]: With dead ends: 15802 [2024-11-28 05:24:24,657 INFO L226 Difference]: Without dead ends: 8253 [2024-11-28 05:24:24,725 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 05:24:24,725 INFO L435 NwaCegarLoop]: 5536 mSDtfsCounter, 7408 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 5841 mSolverCounterSat, 2552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7408 SdHoareTripleChecker+Valid, 9770 SdHoareTripleChecker+Invalid, 8393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2552 IncrementalHoareTripleChecker+Valid, 5841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:24,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7408 Valid, 9770 Invalid, 8393 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2552 Valid, 5841 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-11-28 05:24:24,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8253 states. [2024-11-28 05:24:27,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8253 to 8253. [2024-11-28 05:24:27,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8253 states, 4757 states have (on average 1.1875131385326887) internal successors, (5649), 5011 states have internal predecessors, (5649), 3420 states have call successors, (3420), 75 states have call predecessors, (3420), 75 states have return successors, (3447), 3221 states have call predecessors, (3447), 3418 states have call successors, (3447) [2024-11-28 05:24:27,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8253 states to 8253 states and 12516 transitions. [2024-11-28 05:24:27,626 INFO L78 Accepts]: Start accepts. Automaton has 8253 states and 12516 transitions. Word has length 1526 [2024-11-28 05:24:27,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:27,627 INFO L471 AbstractCegarLoop]: Abstraction has 8253 states and 12516 transitions. [2024-11-28 05:24:27,627 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, (230), 4 states have call predecessors, (230), 4 states have call successors, (230) [2024-11-28 05:24:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 8253 states and 12516 transitions. [2024-11-28 05:24:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1527 [2024-11-28 05:24:27,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:27,643 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:24:27,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 05:24:27,643 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:27,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:27,644 INFO L85 PathProgramCache]: Analyzing trace with hash 894657533, now seen corresponding path program 1 times [2024-11-28 05:24:27,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:27,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083349370] [2024-11-28 05:24:27,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:27,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 87067 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87067 trivial. 0 not checked. [2024-11-28 05:24:31,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:31,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083349370] [2024-11-28 05:24:31,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083349370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:31,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:31,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:24:31,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996242798] [2024-11-28 05:24:31,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:31,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:24:31,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:31,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:24:31,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:24:31,766 INFO L87 Difference]: Start difference. First operand 8253 states and 12516 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, (230), 3 states have call predecessors, (230), 3 states have call successors, (230) [2024-11-28 05:24:45,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:45,649 INFO L93 Difference]: Finished difference Result 15799 states and 24010 transitions. [2024-11-28 05:24:45,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:24:45,650 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, (230), 3 states have call predecessors, (230), 3 states have call successors, (230) Word has length 1526 [2024-11-28 05:24:45,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:45,756 INFO L225 Difference]: With dead ends: 15799 [2024-11-28 05:24:45,756 INFO L226 Difference]: Without dead ends: 8256 [2024-11-28 05:24:45,822 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 05:24:45,822 INFO L435 NwaCegarLoop]: 6616 mSDtfsCounter, 8001 mSDsluCounter, 4235 mSDsCounter, 0 mSdLazyCounter, 5542 mSolverCounterSat, 1675 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8001 SdHoareTripleChecker+Valid, 10851 SdHoareTripleChecker+Invalid, 7217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1675 IncrementalHoareTripleChecker+Valid, 5542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:45,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8001 Valid, 10851 Invalid, 7217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1675 Valid, 5542 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2024-11-28 05:24:45,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8256 states. [2024-11-28 05:24:48,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8256 to 8253. [2024-11-28 05:24:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8253 states, 4757 states have (on average 1.18730292200967) internal successors, (5648), 5011 states have internal predecessors, (5648), 3420 states have call successors, (3420), 75 states have call predecessors, (3420), 75 states have return successors, (3447), 3221 states have call predecessors, (3447), 3418 states have call successors, (3447) [2024-11-28 05:24:48,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8253 states to 8253 states and 12515 transitions. [2024-11-28 05:24:48,623 INFO L78 Accepts]: Start accepts. Automaton has 8253 states and 12515 transitions. Word has length 1526 [2024-11-28 05:24:48,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:48,624 INFO L471 AbstractCegarLoop]: Abstraction has 8253 states and 12515 transitions. [2024-11-28 05:24:48,625 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, (230), 3 states have call predecessors, (230), 3 states have call successors, (230) [2024-11-28 05:24:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 8253 states and 12515 transitions. [2024-11-28 05:24:48,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2024-11-28 05:24:48,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:48,639 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:24:48,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 05:24:48,639 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:48,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:48,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1983786254, now seen corresponding path program 1 times [2024-11-28 05:24:48,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:48,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385975000] [2024-11-28 05:24:48,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:48,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 87067 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87067 trivial. 0 not checked. [2024-11-28 05:24:52,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:52,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385975000] [2024-11-28 05:24:52,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385975000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:52,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:52,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:24:52,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860527008] [2024-11-28 05:24:52,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:52,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:24:52,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:52,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:24:52,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:24:52,682 INFO L87 Difference]: Start difference. First operand 8253 states and 12515 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, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) [2024-11-28 05:25:09,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:09,472 INFO L93 Difference]: Finished difference Result 15797 states and 24005 transitions. [2024-11-28 05:25:09,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:25:09,473 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, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) Word has length 1530 [2024-11-28 05:25:09,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:09,585 INFO L225 Difference]: With dead ends: 15797 [2024-11-28 05:25:09,585 INFO L226 Difference]: Without dead ends: 8254 [2024-11-28 05:25:09,646 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 05:25:09,647 INFO L435 NwaCegarLoop]: 6639 mSDtfsCounter, 8536 mSDsluCounter, 4767 mSDsCounter, 0 mSdLazyCounter, 6500 mSolverCounterSat, 2600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8536 SdHoareTripleChecker+Valid, 11406 SdHoareTripleChecker+Invalid, 9100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2600 IncrementalHoareTripleChecker+Valid, 6500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:09,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8536 Valid, 11406 Invalid, 9100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2600 Valid, 6500 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2024-11-28 05:25:09,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8254 states. [2024-11-28 05:25:12,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8254 to 8251. [2024-11-28 05:25:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8251 states, 4756 states have (on average 1.1871320437342305) internal successors, (5646), 5010 states have internal predecessors, (5646), 3419 states have call successors, (3419), 75 states have call predecessors, (3419), 75 states have return successors, (3446), 3220 states have call predecessors, (3446), 3417 states have call successors, (3446) [2024-11-28 05:25:12,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8251 states to 8251 states and 12511 transitions. [2024-11-28 05:25:12,311 INFO L78 Accepts]: Start accepts. Automaton has 8251 states and 12511 transitions. Word has length 1530 [2024-11-28 05:25:12,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:12,312 INFO L471 AbstractCegarLoop]: Abstraction has 8251 states and 12511 transitions. [2024-11-28 05:25:12,313 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, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) [2024-11-28 05:25:12,313 INFO L276 IsEmpty]: Start isEmpty. Operand 8251 states and 12511 transitions. [2024-11-28 05:25:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1532 [2024-11-28 05:25:12,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:12,328 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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 05:25:12,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 05:25:12,329 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:12,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:12,330 INFO L85 PathProgramCache]: Analyzing trace with hash -341882226, now seen corresponding path program 1 times [2024-11-28 05:25:12,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:12,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152787352] [2024-11-28 05:25:12,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:12,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 87067 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87067 trivial. 0 not checked. [2024-11-28 05:25:16,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:16,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152787352] [2024-11-28 05:25:16,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152787352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:16,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:16,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:25:16,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802839216] [2024-11-28 05:25:16,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:16,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:25:16,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:16,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:25:16,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:25:16,819 INFO L87 Difference]: Start difference. First operand 8251 states and 12511 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, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) [2024-11-28 05:25:30,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:30,996 INFO L93 Difference]: Finished difference Result 15786 states and 23992 transitions. [2024-11-28 05:25:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:25:30,997 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, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) Word has length 1531 [2024-11-28 05:25:30,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:31,123 INFO L225 Difference]: With dead ends: 15786 [2024-11-28 05:25:31,123 INFO L226 Difference]: Without dead ends: 8245 [2024-11-28 05:25:31,197 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 05:25:31,198 INFO L435 NwaCegarLoop]: 5532 mSDtfsCounter, 5540 mSDsluCounter, 4781 mSDsCounter, 0 mSdLazyCounter, 6473 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5540 SdHoareTripleChecker+Valid, 10313 SdHoareTripleChecker+Invalid, 6502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 6473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:31,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5540 Valid, 10313 Invalid, 6502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 6473 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2024-11-28 05:25:31,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8245 states. [2024-11-28 05:25:34,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8245 to 8245. [2024-11-28 05:25:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8245 states, 4753 states have (on average 1.1866189774879023) internal successors, (5640), 5007 states have internal predecessors, (5640), 3416 states have call successors, (3416), 75 states have call predecessors, (3416), 75 states have return successors, (3443), 3217 states have call predecessors, (3443), 3414 states have call successors, (3443) [2024-11-28 05:25:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8245 states to 8245 states and 12499 transitions. [2024-11-28 05:25:34,693 INFO L78 Accepts]: Start accepts. Automaton has 8245 states and 12499 transitions. Word has length 1531 [2024-11-28 05:25:34,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:34,695 INFO L471 AbstractCegarLoop]: Abstraction has 8245 states and 12499 transitions. [2024-11-28 05:25:34,695 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, (231), 4 states have call predecessors, (231), 4 states have call successors, (231) [2024-11-28 05:25:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 8245 states and 12499 transitions. [2024-11-28 05:25:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1532 [2024-11-28 05:25:34,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:34,711 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2024-11-28 05:25:34,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 05:25:34,711 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:34,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:34,712 INFO L85 PathProgramCache]: Analyzing trace with hash -166972838, now seen corresponding path program 1 times [2024-11-28 05:25:34,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:34,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963142362] [2024-11-28 05:25:34,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:34,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:26:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:26:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 87094 backedges. 426 proven. 198 refuted. 0 times theorem prover too weak. 86470 trivial. 0 not checked. [2024-11-28 05:26:12,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:26:12,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963142362] [2024-11-28 05:26:12,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963142362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:26:12,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343730487] [2024-11-28 05:26:12,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:26:12,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:26:12,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:26:12,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:26:12,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d996f3-be7b-42ab-b4cc-f6290ef1a753/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:27:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:27:12,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 6484 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-28 05:27:12,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:27:12,770 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 05:27:13,005 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 05:27:24,977 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 05:27:49,225 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 22 [2024-11-28 05:27:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 87094 backedges. 3900 proven. 39318 refuted. 0 times theorem prover too weak. 43876 trivial. 0 not checked. [2024-11-28 05:27:49,656 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:27:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 87094 backedges. 636 proven. 1227 refuted. 0 times theorem prover too weak. 85231 trivial. 0 not checked. [2024-11-28 05:27:58,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343730487] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:27:58,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:27:58,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 20, 15] total 38 [2024-11-28 05:27:58,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070146081] [2024-11-28 05:27:58,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:27:58,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-28 05:27:58,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:27:58,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-28 05:27:58,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1205, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 05:27:58,853 INFO L87 Difference]: Start difference. First operand 8245 states and 12499 transitions. Second operand has 38 states, 30 states have (on average 37.96666666666667) internal successors, (1139), 37 states have internal predecessors, (1139), 19 states have call successors, (672), 7 states have call predecessors, (672), 12 states have return successors, (670), 11 states have call predecessors, (670), 19 states have call successors, (670) [2024-11-28 05:28:00,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:02,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:05,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:07,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:09,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:11,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:14,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:16,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:18,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:20,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:23,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:25,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:27,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:30,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:32,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:28:34,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:29:13,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:29:17,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:29:21,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []