./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.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_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/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_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/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_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/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 e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:16:08,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:16:08,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:16:08,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:16:08,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:16:08,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:16:08,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:16:08,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:16:08,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:16:08,914 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:16:08,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:16:08,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:16:08,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:16:08,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:16:08,917 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:16:08,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:16:08,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:16:08,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:16:08,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:16:08,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:16:08,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:16:08,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:16:08,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:16:08,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:16:08,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:16:08,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:16:08,919 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:16:08,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:16:08,919 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:16:08,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:16:08,919 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:16:08,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:16:08,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:16:08,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:16:08,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:16:08,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:16:08,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:16:08,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:16:08,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:16:08,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:16:08,920 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:16:08,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:16:08,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:16:08,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:16:08,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:16:08,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:16:08,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:16:08,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:16:08,921 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_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/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 -> e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d [2024-11-28 02:16:09,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:16:09,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:16:09,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:16:09,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:16:09,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:16:09,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2024-11-28 02:16:13,183 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/data/42d3bc731/471380424f7d494a81e746a0200b197f/FLAGa0f7b4b16 [2024-11-28 02:16:13,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:16:13,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2024-11-28 02:16:13,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/data/42d3bc731/471380424f7d494a81e746a0200b197f/FLAGa0f7b4b16 [2024-11-28 02:16:13,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/data/42d3bc731/471380424f7d494a81e746a0200b197f [2024-11-28 02:16:13,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:16:13,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:16:13,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:16:13,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:16:13,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:16:13,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:16:13" (1/1) ... [2024-11-28 02:16:13,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c184ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:13, skipping insertion in model container [2024-11-28 02:16:13,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:16:13" (1/1) ... [2024-11-28 02:16:13,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:16:14,011 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_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2024-11-28 02:16:14,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:16:14,473 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:16:14,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok1.i","-S") [48] [2024-11-28 02:16:14,491 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_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2024-11-28 02:16:14,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:16:14,902 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:16:14,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14 WrapperNode [2024-11-28 02:16:14,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:16:14,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:16:14,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:16:14,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:16:14,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,331 INFO L138 Inliner]: procedures = 63, calls = 2322, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4813 [2024-11-28 02:16:15,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:16:15,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:16:15,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:16:15,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:16:15,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,409 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,576 INFO L175 MemorySlicer]: Split 1785 memory accesses to 24 slices as follows [2, 8, 50, 5, 3, 7, 264, 292, 2, 158, 2, 112, 63, 57, 82, 105, 82, 105, 82, 8, 105, 82, 105, 4]. 16 percent of accesses are in the largest equivalence class. The 277 initializations are split as follows [2, 0, 0, 2, 1, 2, 24, 24, 0, 2, 0, 2, 1, 1, 27, 27, 27, 27, 27, 0, 27, 27, 27, 0]. The 311 writes are split as follows [0, 4, 26, 1, 1, 3, 24, 24, 1, 2, 1, 2, 1, 1, 28, 26, 28, 26, 28, 4, 26, 28, 26, 0]. [2024-11-28 02:16:15,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:16:15,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:16:15,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:16:15,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:16:15,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (1/1) ... [2024-11-28 02:16:15,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:16:15,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:16:16,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:16:16,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:16:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:16:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-28 02:16:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-28 02:16:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-28 02:16:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-28 02:16:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-28 02:16:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-28 02:16:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:16:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:16:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:16:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 02:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 02:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 02:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 02:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 02:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 02:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 02:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 02:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-28 02:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-28 02:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-28 02:16:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-28 02:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-28 02:16:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-28 02:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-28 02:16:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-28 02:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:16:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:16:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:16:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-28 02:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-28 02:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-28 02:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-28 02:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-28 02:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-28 02:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-28 02:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 02:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-28 02:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 02:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-28 02:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-28 02:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-28 02:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:16:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:16:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:16:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:16:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 02:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 02:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 02:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 02:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 02:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 02:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 02:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-28 02:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-28 02:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-28 02:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-28 02:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-28 02:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-28 02:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-28 02:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-28 02:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-28 02:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-28 02:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-28 02:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-28 02:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-28 02:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-28 02:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-28 02:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-28 02:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-28 02:16:16,832 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:16:16,835 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:16:26,428 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2024-11-28 02:16:26,429 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:16:26,497 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:16:26,497 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:16:26,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:16:26 BoogieIcfgContainer [2024-11-28 02:16:26,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:16:26,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:16:26,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:16:26,507 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:16:26,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:16:13" (1/3) ... [2024-11-28 02:16:26,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c601a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:16:26, skipping insertion in model container [2024-11-28 02:16:26,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:16:14" (2/3) ... [2024-11-28 02:16:26,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c601a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:16:26, skipping insertion in model container [2024-11-28 02:16:26,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:16:26" (3/3) ... [2024-11-28 02:16:26,510 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M1-2.c [2024-11-28 02:16:26,530 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:16:26,535 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.1.M1-2.c that has 22 procedures, 1363 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:16:26,697 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:16:26,713 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;@6cd38d3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:16:26,713 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:16:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 1363 states, 859 states have (on average 1.2747380675203726) internal successors, (1095), 891 states have internal predecessors, (1095), 481 states have call successors, (481), 21 states have call predecessors, (481), 21 states have return successors, (481), 478 states have call predecessors, (481), 481 states have call successors, (481) [2024-11-28 02:16:26,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2024-11-28 02:16:26,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:26,861 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:26,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:26,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:26,869 INFO L85 PathProgramCache]: Analyzing trace with hash 621399409, now seen corresponding path program 1 times [2024-11-28 02:16:26,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:16:26,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724958898] [2024-11-28 02:16:26,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:16:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 36992 trivial. 0 not checked. [2024-11-28 02:16:30,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:16:30,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724958898] [2024-11-28 02:16:30,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724958898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:16:30,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31129178] [2024-11-28 02:16:30,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:30,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:16:30,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:16:30,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:16:30,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:16:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:33,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 3890 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:16:33,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 36992 trivial. 0 not checked. [2024-11-28 02:16:33,828 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:16:33,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31129178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:16:33,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:16:33,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:16:33,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198313805] [2024-11-28 02:16:33,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:16:33,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:16:33,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:16:33,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:16:33,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:16:33,883 INFO L87 Difference]: Start difference. First operand has 1363 states, 859 states have (on average 1.2747380675203726) internal successors, (1095), 891 states have internal predecessors, (1095), 481 states have call successors, (481), 21 states have call predecessors, (481), 21 states have return successors, (481), 478 states have call predecessors, (481), 481 states have call successors, (481) Second operand has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) [2024-11-28 02:16:34,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:16:34,165 INFO L93 Difference]: Finished difference Result 2721 states and 4569 transitions. [2024-11-28 02:16:34,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:16:34,168 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) Word has length 1034 [2024-11-28 02:16:34,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:16:34,200 INFO L225 Difference]: With dead ends: 2721 [2024-11-28 02:16:34,200 INFO L226 Difference]: Without dead ends: 1355 [2024-11-28 02:16:34,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 1035 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 02:16:34,224 INFO L435 NwaCegarLoop]: 2054 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, 2054 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 02:16:34,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2054 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:16:34,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2024-11-28 02:16:34,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1355. [2024-11-28 02:16:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 852 states have (on average 1.272300469483568) internal successors, (1084), 884 states have internal predecessors, (1084), 481 states have call successors, (481), 21 states have call predecessors, (481), 21 states have return successors, (480), 477 states have call predecessors, (480), 480 states have call successors, (480) [2024-11-28 02:16:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 2045 transitions. [2024-11-28 02:16:34,633 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 2045 transitions. Word has length 1034 [2024-11-28 02:16:34,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:16:34,634 INFO L471 AbstractCegarLoop]: Abstraction has 1355 states and 2045 transitions. [2024-11-28 02:16:34,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) [2024-11-28 02:16:34,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2045 transitions. [2024-11-28 02:16:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2024-11-28 02:16:34,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:34,711 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:16:34,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:16:34,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:16:34,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:34,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:34,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1094785983, now seen corresponding path program 1 times [2024-11-28 02:16:34,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:16:34,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824949355] [2024-11-28 02:16:34,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:34,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:16:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37264 trivial. 0 not checked. [2024-11-28 02:16:45,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:16:45,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824949355] [2024-11-28 02:16:45,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824949355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:16:45,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:16:45,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:16:45,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098524308] [2024-11-28 02:16:45,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:16:45,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:16:45,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:16:45,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:16:45,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:16:45,658 INFO L87 Difference]: Start difference. First operand 1355 states and 2045 transitions. Second operand has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) [2024-11-28 02:16:46,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:16:46,736 INFO L93 Difference]: Finished difference Result 1926 states and 2905 transitions. [2024-11-28 02:16:46,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:16:46,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) Word has length 1034 [2024-11-28 02:16:46,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:16:46,784 INFO L225 Difference]: With dead ends: 1926 [2024-11-28 02:16:46,784 INFO L226 Difference]: Without dead ends: 1924 [2024-11-28 02:16:46,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:16:46,788 INFO L435 NwaCegarLoop]: 2031 mSDtfsCounter, 1567 mSDsluCounter, 6850 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 8881 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:16:46,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 8881 Invalid, 190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:16:46,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2024-11-28 02:16:47,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1922. [2024-11-28 02:16:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1922 states, 1181 states have (on average 1.2497883149872988) internal successors, (1476), 1240 states have internal predecessors, (1476), 702 states have call successors, (702), 38 states have call predecessors, (702), 38 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:16:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2902 transitions. [2024-11-28 02:16:47,438 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2902 transitions. Word has length 1034 [2024-11-28 02:16:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:16:47,446 INFO L471 AbstractCegarLoop]: Abstraction has 1922 states and 2902 transitions. [2024-11-28 02:16:47,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) [2024-11-28 02:16:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2902 transitions. [2024-11-28 02:16:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2024-11-28 02:16:47,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:47,509 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 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] [2024-11-28 02:16:47,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:16:47,509 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:47,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:47,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1659777889, now seen corresponding path program 1 times [2024-11-28 02:16:47,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:16:47,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65854739] [2024-11-28 02:16:47,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:47,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:16:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:16:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 37266 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 37264 trivial. 0 not checked. [2024-11-28 02:16:54,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:16:54,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65854739] [2024-11-28 02:16:54,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65854739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:16:54,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:16:54,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:16:54,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431221036] [2024-11-28 02:16:54,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:16:54,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:16:54,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:16:54,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:16:54,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:16:54,611 INFO L87 Difference]: Start difference. First operand 1922 states and 2902 transitions. Second operand has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) [2024-11-28 02:16:55,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:16:55,560 INFO L93 Difference]: Finished difference Result 1930 states and 2908 transitions. [2024-11-28 02:16:55,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:16:55,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) Word has length 1040 [2024-11-28 02:16:55,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:16:55,596 INFO L225 Difference]: With dead ends: 1930 [2024-11-28 02:16:55,596 INFO L226 Difference]: Without dead ends: 1928 [2024-11-28 02:16:55,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:16:55,599 INFO L435 NwaCegarLoop]: 2034 mSDtfsCounter, 1562 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1562 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:16:55,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1562 Valid, 8888 Invalid, 191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:16:55,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2024-11-28 02:16:56,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1926. [2024-11-28 02:16:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1926 states, 1184 states have (on average 1.2491554054054055) internal successors, (1479), 1243 states have internal predecessors, (1479), 702 states have call successors, (702), 39 states have call predecessors, (702), 39 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:16:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2905 transitions. [2024-11-28 02:16:56,031 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2905 transitions. Word has length 1040 [2024-11-28 02:16:56,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:16:56,036 INFO L471 AbstractCegarLoop]: Abstraction has 1926 states and 2905 transitions. [2024-11-28 02:16:56,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) [2024-11-28 02:16:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2905 transitions. [2024-11-28 02:16:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2024-11-28 02:16:56,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:16:56,074 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 3, 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] [2024-11-28 02:16:56,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:16:56,075 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:16:56,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:16:56,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1922637437, now seen corresponding path program 1 times [2024-11-28 02:16:56,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:16:56,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384465092] [2024-11-28 02:16:56,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:16:56,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:16:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 37272 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37268 trivial. 0 not checked. [2024-11-28 02:17:02,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:17:02,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384465092] [2024-11-28 02:17:02,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384465092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:02,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:02,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:17:02,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462469158] [2024-11-28 02:17:02,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:02,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:02,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:17:02,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:02,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:02,870 INFO L87 Difference]: Start difference. First operand 1926 states and 2905 transitions. Second operand has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) [2024-11-28 02:17:03,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:03,736 INFO L93 Difference]: Finished difference Result 1934 states and 2911 transitions. [2024-11-28 02:17:03,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:17:03,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) Word has length 1046 [2024-11-28 02:17:03,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:03,760 INFO L225 Difference]: With dead ends: 1934 [2024-11-28 02:17:03,761 INFO L226 Difference]: Without dead ends: 1932 [2024-11-28 02:17:03,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:03,766 INFO L435 NwaCegarLoop]: 2034 mSDtfsCounter, 1560 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:03,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 8888 Invalid, 191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:17:03,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2024-11-28 02:17:04,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1930. [2024-11-28 02:17:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1187 states have (on average 1.248525695029486) internal successors, (1482), 1246 states have internal predecessors, (1482), 702 states have call successors, (702), 40 states have call predecessors, (702), 40 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:17:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 2908 transitions. [2024-11-28 02:17:04,182 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 2908 transitions. Word has length 1046 [2024-11-28 02:17:04,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:04,185 INFO L471 AbstractCegarLoop]: Abstraction has 1930 states and 2908 transitions. [2024-11-28 02:17:04,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) [2024-11-28 02:17:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2908 transitions. [2024-11-28 02:17:04,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2024-11-28 02:17:04,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:04,223 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:04,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:17:04,223 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:04,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:04,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2100438311, now seen corresponding path program 1 times [2024-11-28 02:17:04,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:17:04,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282038878] [2024-11-28 02:17:04,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:17:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:09,723 INFO L134 CoverageAnalysis]: Checked inductivity of 37282 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37276 trivial. 0 not checked. [2024-11-28 02:17:09,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:17:09,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282038878] [2024-11-28 02:17:09,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282038878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:09,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:09,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:17:09,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336423755] [2024-11-28 02:17:09,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:09,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:09,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:17:09,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:09,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:09,731 INFO L87 Difference]: Start difference. First operand 1930 states and 2908 transitions. Second operand has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) [2024-11-28 02:17:10,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:10,690 INFO L93 Difference]: Finished difference Result 1938 states and 2914 transitions. [2024-11-28 02:17:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:17:10,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) Word has length 1052 [2024-11-28 02:17:10,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:10,715 INFO L225 Difference]: With dead ends: 1938 [2024-11-28 02:17:10,715 INFO L226 Difference]: Without dead ends: 1936 [2024-11-28 02:17:10,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:10,720 INFO L435 NwaCegarLoop]: 2034 mSDtfsCounter, 1558 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:10,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 8888 Invalid, 191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:17:10,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2024-11-28 02:17:11,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1934. [2024-11-28 02:17:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1934 states, 1190 states have (on average 1.2478991596638656) internal successors, (1485), 1249 states have internal predecessors, (1485), 702 states have call successors, (702), 41 states have call predecessors, (702), 41 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:17:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2911 transitions. [2024-11-28 02:17:11,316 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2911 transitions. Word has length 1052 [2024-11-28 02:17:11,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:11,322 INFO L471 AbstractCegarLoop]: Abstraction has 1934 states and 2911 transitions. [2024-11-28 02:17:11,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) [2024-11-28 02:17:11,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2911 transitions. [2024-11-28 02:17:11,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2024-11-28 02:17:11,362 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:11,363 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:11,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:17:11,365 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:11,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:11,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1245074637, now seen corresponding path program 1 times [2024-11-28 02:17:11,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:17:11,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873389331] [2024-11-28 02:17:11,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:11,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:17:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 37296 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 37288 trivial. 0 not checked. [2024-11-28 02:17:17,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:17:17,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873389331] [2024-11-28 02:17:17,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873389331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:17,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:17,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:17:17,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383161873] [2024-11-28 02:17:17,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:17,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:17,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:17:17,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:17,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:17,179 INFO L87 Difference]: Start difference. First operand 1934 states and 2911 transitions. Second operand has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) [2024-11-28 02:17:18,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:18,015 INFO L93 Difference]: Finished difference Result 1942 states and 2917 transitions. [2024-11-28 02:17:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:17:18,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) Word has length 1058 [2024-11-28 02:17:18,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:18,048 INFO L225 Difference]: With dead ends: 1942 [2024-11-28 02:17:18,048 INFO L226 Difference]: Without dead ends: 1940 [2024-11-28 02:17:18,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:18,052 INFO L435 NwaCegarLoop]: 2034 mSDtfsCounter, 1556 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:18,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 8888 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:17:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2024-11-28 02:17:18,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1938. [2024-11-28 02:17:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1938 states, 1193 states have (on average 1.2472757753562447) internal successors, (1488), 1252 states have internal predecessors, (1488), 702 states have call successors, (702), 42 states have call predecessors, (702), 42 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:17:18,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2914 transitions. [2024-11-28 02:17:18,487 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2914 transitions. Word has length 1058 [2024-11-28 02:17:18,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:18,489 INFO L471 AbstractCegarLoop]: Abstraction has 1938 states and 2914 transitions. [2024-11-28 02:17:18,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) [2024-11-28 02:17:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2914 transitions. [2024-11-28 02:17:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1065 [2024-11-28 02:17:18,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:18,530 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:18,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:17:18,530 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:18,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash 757143819, now seen corresponding path program 1 times [2024-11-28 02:17:18,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:17:18,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930310506] [2024-11-28 02:17:18,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:18,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:17:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 37314 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 37304 trivial. 0 not checked. [2024-11-28 02:17:23,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:17:23,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930310506] [2024-11-28 02:17:23,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930310506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:23,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:23,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:17:23,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140344083] [2024-11-28 02:17:23,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:23,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:23,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:17:23,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:23,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:23,948 INFO L87 Difference]: Start difference. First operand 1938 states and 2914 transitions. Second operand has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) [2024-11-28 02:17:24,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:24,740 INFO L93 Difference]: Finished difference Result 1946 states and 2920 transitions. [2024-11-28 02:17:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:17:24,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) Word has length 1064 [2024-11-28 02:17:24,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:24,760 INFO L225 Difference]: With dead ends: 1946 [2024-11-28 02:17:24,760 INFO L226 Difference]: Without dead ends: 1944 [2024-11-28 02:17:24,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:24,764 INFO L435 NwaCegarLoop]: 2034 mSDtfsCounter, 1554 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:24,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 8888 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:17:24,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1944 states. [2024-11-28 02:17:25,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1944 to 1942. [2024-11-28 02:17:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1942 states, 1196 states have (on average 1.2466555183946488) internal successors, (1491), 1255 states have internal predecessors, (1491), 702 states have call successors, (702), 43 states have call predecessors, (702), 43 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:17:25,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1942 states and 2917 transitions. [2024-11-28 02:17:25,122 INFO L78 Accepts]: Start accepts. Automaton has 1942 states and 2917 transitions. Word has length 1064 [2024-11-28 02:17:25,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:25,124 INFO L471 AbstractCegarLoop]: Abstraction has 1942 states and 2917 transitions. [2024-11-28 02:17:25,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) [2024-11-28 02:17:25,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2917 transitions. [2024-11-28 02:17:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2024-11-28 02:17:25,147 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:25,148 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:25,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:17:25,149 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:25,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:25,150 INFO L85 PathProgramCache]: Analyzing trace with hash 876318177, now seen corresponding path program 1 times [2024-11-28 02:17:25,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:17:25,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142199212] [2024-11-28 02:17:25,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:25,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:17:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 37324 trivial. 0 not checked. [2024-11-28 02:17:29,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:17:29,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142199212] [2024-11-28 02:17:29,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142199212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:29,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:29,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:17:29,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782720701] [2024-11-28 02:17:29,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:29,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:29,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:17:29,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:29,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:29,005 INFO L87 Difference]: Start difference. First operand 1942 states and 2917 transitions. Second operand has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) [2024-11-28 02:17:29,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:29,831 INFO L93 Difference]: Finished difference Result 1950 states and 2923 transitions. [2024-11-28 02:17:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:17:29,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) Word has length 1070 [2024-11-28 02:17:29,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:29,854 INFO L225 Difference]: With dead ends: 1950 [2024-11-28 02:17:29,854 INFO L226 Difference]: Without dead ends: 1948 [2024-11-28 02:17:29,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:29,858 INFO L435 NwaCegarLoop]: 2034 mSDtfsCounter, 1552 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:29,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 8888 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:17:29,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2024-11-28 02:17:30,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1946. [2024-11-28 02:17:30,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1946 states, 1199 states have (on average 1.2460383653044202) internal successors, (1494), 1258 states have internal predecessors, (1494), 702 states have call successors, (702), 44 states have call predecessors, (702), 44 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:17:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2920 transitions. [2024-11-28 02:17:30,295 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2920 transitions. Word has length 1070 [2024-11-28 02:17:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:30,298 INFO L471 AbstractCegarLoop]: Abstraction has 1946 states and 2920 transitions. [2024-11-28 02:17:30,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) [2024-11-28 02:17:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2920 transitions. [2024-11-28 02:17:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2024-11-28 02:17:30,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:30,323 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:30,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:17:30,324 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:30,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:30,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1901374667, now seen corresponding path program 1 times [2024-11-28 02:17:30,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:17:30,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718041806] [2024-11-28 02:17:30,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:30,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:17:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 37362 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37348 trivial. 0 not checked. [2024-11-28 02:17:34,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:17:34,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718041806] [2024-11-28 02:17:34,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718041806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:34,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:34,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:17:34,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432220277] [2024-11-28 02:17:34,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:34,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:34,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:17:34,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:34,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:34,810 INFO L87 Difference]: Start difference. First operand 1946 states and 2920 transitions. Second operand has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) [2024-11-28 02:17:35,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:35,636 INFO L93 Difference]: Finished difference Result 1954 states and 2926 transitions. [2024-11-28 02:17:35,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:17:35,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) Word has length 1076 [2024-11-28 02:17:35,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:35,657 INFO L225 Difference]: With dead ends: 1954 [2024-11-28 02:17:35,657 INFO L226 Difference]: Without dead ends: 1952 [2024-11-28 02:17:35,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:35,660 INFO L435 NwaCegarLoop]: 2034 mSDtfsCounter, 1550 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1550 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:35,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1550 Valid, 8888 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:17:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2024-11-28 02:17:36,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1950. [2024-11-28 02:17:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1950 states, 1202 states have (on average 1.245424292845258) internal successors, (1497), 1261 states have internal predecessors, (1497), 702 states have call successors, (702), 45 states have call predecessors, (702), 45 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:17:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2923 transitions. [2024-11-28 02:17:36,111 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2923 transitions. Word has length 1076 [2024-11-28 02:17:36,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:36,113 INFO L471 AbstractCegarLoop]: Abstraction has 1950 states and 2923 transitions. [2024-11-28 02:17:36,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) [2024-11-28 02:17:36,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2923 transitions. [2024-11-28 02:17:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1083 [2024-11-28 02:17:36,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:36,136 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:36,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:17:36,136 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:36,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:36,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1534750073, now seen corresponding path program 1 times [2024-11-28 02:17:36,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:17:36,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301861749] [2024-11-28 02:17:36,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:36,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:17:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 37392 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 37376 trivial. 0 not checked. [2024-11-28 02:17:40,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:17:40,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301861749] [2024-11-28 02:17:40,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301861749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:40,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:40,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:17:40,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991591829] [2024-11-28 02:17:40,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:40,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:40,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:17:40,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:40,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:40,957 INFO L87 Difference]: Start difference. First operand 1950 states and 2923 transitions. Second operand has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) [2024-11-28 02:17:41,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:41,810 INFO L93 Difference]: Finished difference Result 1958 states and 2929 transitions. [2024-11-28 02:17:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:17:41,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) Word has length 1082 [2024-11-28 02:17:41,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:41,833 INFO L225 Difference]: With dead ends: 1958 [2024-11-28 02:17:41,834 INFO L226 Difference]: Without dead ends: 1956 [2024-11-28 02:17:41,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:41,837 INFO L435 NwaCegarLoop]: 2034 mSDtfsCounter, 1548 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:41,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1548 Valid, 8888 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:17:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2024-11-28 02:17:42,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1954. [2024-11-28 02:17:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1205 states have (on average 1.2448132780082988) internal successors, (1500), 1264 states have internal predecessors, (1500), 702 states have call successors, (702), 46 states have call predecessors, (702), 46 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:17:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2926 transitions. [2024-11-28 02:17:42,342 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2926 transitions. Word has length 1082 [2024-11-28 02:17:42,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:42,343 INFO L471 AbstractCegarLoop]: Abstraction has 1954 states and 2926 transitions. [2024-11-28 02:17:42,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) [2024-11-28 02:17:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2926 transitions. [2024-11-28 02:17:42,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2024-11-28 02:17:42,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:42,370 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:42,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:17:42,371 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:42,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:42,371 INFO L85 PathProgramCache]: Analyzing trace with hash 213538135, now seen corresponding path program 1 times [2024-11-28 02:17:42,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:17:42,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210163784] [2024-11-28 02:17:42,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:42,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:17:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 37426 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 37408 trivial. 0 not checked. [2024-11-28 02:17:47,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:17:47,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210163784] [2024-11-28 02:17:47,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210163784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:47,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:17:47,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:17:47,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376876991] [2024-11-28 02:17:47,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:47,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:17:47,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:17:47,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:17:47,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:17:47,125 INFO L87 Difference]: Start difference. First operand 1954 states and 2926 transitions. Second operand has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) [2024-11-28 02:17:48,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:48,028 INFO L93 Difference]: Finished difference Result 1962 states and 2932 transitions. [2024-11-28 02:17:48,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:17:48,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) Word has length 1088 [2024-11-28 02:17:48,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:48,048 INFO L225 Difference]: With dead ends: 1962 [2024-11-28 02:17:48,048 INFO L226 Difference]: Without dead ends: 1960 [2024-11-28 02:17:48,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:17:48,052 INFO L435 NwaCegarLoop]: 2034 mSDtfsCounter, 1546 mSDsluCounter, 6854 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:48,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1546 Valid, 8888 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:17:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2024-11-28 02:17:48,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1958. [2024-11-28 02:17:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1958 states, 1208 states have (on average 1.244205298013245) internal successors, (1503), 1267 states have internal predecessors, (1503), 702 states have call successors, (702), 47 states have call predecessors, (702), 47 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2024-11-28 02:17:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 2929 transitions. [2024-11-28 02:17:48,564 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 2929 transitions. Word has length 1088 [2024-11-28 02:17:48,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:48,566 INFO L471 AbstractCegarLoop]: Abstraction has 1958 states and 2929 transitions. [2024-11-28 02:17:48,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) [2024-11-28 02:17:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2929 transitions. [2024-11-28 02:17:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1150 [2024-11-28 02:17:48,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:48,594 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 2, 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] [2024-11-28 02:17:48,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:17:48,596 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:48,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:48,598 INFO L85 PathProgramCache]: Analyzing trace with hash 621181123, now seen corresponding path program 1 times [2024-11-28 02:17:48,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:17:48,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209552648] [2024-11-28 02:17:48,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:48,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:17:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 38382 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 38376 trivial. 0 not checked. [2024-11-28 02:17:52,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:17:52,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209552648] [2024-11-28 02:17:52,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209552648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:17:52,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12965674] [2024-11-28 02:17:52,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:17:52,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:17:52,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:17:52,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:17:52,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:17:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:17:55,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 4416 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:17:55,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:17:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 38382 backedges. 13994 proven. 0 refuted. 0 times theorem prover too weak. 24388 trivial. 0 not checked. [2024-11-28 02:17:55,942 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:17:55,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12965674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:17:55,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:17:55,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 02:17:55,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012702319] [2024-11-28 02:17:55,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:17:55,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:17:55,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:17:55,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:17:55,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:17:55,947 INFO L87 Difference]: Start difference. First operand 1958 states and 2929 transitions. Second operand has 5 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2024-11-28 02:18:01,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:18:01,706 INFO L93 Difference]: Finished difference Result 4420 states and 6758 transitions. [2024-11-28 02:18:01,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:18:01,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) Word has length 1149 [2024-11-28 02:18:01,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:18:01,740 INFO L225 Difference]: With dead ends: 4420 [2024-11-28 02:18:01,741 INFO L226 Difference]: Without dead ends: 3159 [2024-11-28 02:18:01,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1155 GetRequests, 1148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:18:01,825 INFO L435 NwaCegarLoop]: 2650 mSDtfsCounter, 1985 mSDsluCounter, 4202 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 6852 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:18:01,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 6852 Invalid, 2101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-28 02:18:01,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2024-11-28 02:18:02,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 2998. [2024-11-28 02:18:02,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 1819 states have (on average 1.2303463441451348) internal successors, (2238), 1932 states have internal predecessors, (2238), 1097 states have call successors, (1097), 81 states have call predecessors, (1097), 81 states have return successors, (1218), 1084 states have call predecessors, (1218), 1095 states have call successors, (1218) [2024-11-28 02:18:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 4553 transitions. [2024-11-28 02:18:02,508 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 4553 transitions. Word has length 1149 [2024-11-28 02:18:02,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:18:02,509 INFO L471 AbstractCegarLoop]: Abstraction has 2998 states and 4553 transitions. [2024-11-28 02:18:02,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2024-11-28 02:18:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 4553 transitions. [2024-11-28 02:18:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1140 [2024-11-28 02:18:02,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:18:02,550 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 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] [2024-11-28 02:18:02,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:18:02,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:18:02,751 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:18:02,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:18:02,752 INFO L85 PathProgramCache]: Analyzing trace with hash 601172383, now seen corresponding path program 1 times [2024-11-28 02:18:02,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:18:02,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215789603] [2024-11-28 02:18:02,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:02,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:18:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 38377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38377 trivial. 0 not checked. [2024-11-28 02:18:05,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:18:05,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215789603] [2024-11-28 02:18:05,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215789603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:18:05,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:18:05,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:18:05,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877410085] [2024-11-28 02:18:05,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:18:05,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:18:05,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:18:05,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:18:05,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:18:05,798 INFO L87 Difference]: Start difference. First operand 2998 states and 4553 transitions. Second operand has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 3 states have call successors, (151), 2 states have call predecessors, (151), 3 states have return successors, (150), 3 states have call predecessors, (150), 3 states have call successors, (150) [2024-11-28 02:18:08,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:18:08,689 INFO L93 Difference]: Finished difference Result 6176 states and 9495 transitions. [2024-11-28 02:18:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:18:08,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 3 states have call successors, (151), 2 states have call predecessors, (151), 3 states have return successors, (150), 3 states have call predecessors, (150), 3 states have call successors, (150) Word has length 1139 [2024-11-28 02:18:08,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:18:08,739 INFO L225 Difference]: With dead ends: 6176 [2024-11-28 02:18:08,739 INFO L226 Difference]: Without dead ends: 5126 [2024-11-28 02:18:08,758 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 02:18:08,759 INFO L435 NwaCegarLoop]: 2662 mSDtfsCounter, 3076 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 963 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3076 SdHoareTripleChecker+Valid, 6130 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 963 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:18:08,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3076 Valid, 6130 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [963 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 02:18:08,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5126 states. [2024-11-28 02:18:09,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5126 to 4966. [2024-11-28 02:18:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4966 states, 2969 states have (on average 1.2179184910744358) internal successors, (3616), 3186 states have internal predecessors, (3616), 1855 states have call successors, (1855), 141 states have call predecessors, (1855), 141 states have return successors, (2072), 1830 states have call predecessors, (2072), 1853 states have call successors, (2072) [2024-11-28 02:18:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4966 states to 4966 states and 7543 transitions. [2024-11-28 02:18:09,922 INFO L78 Accepts]: Start accepts. Automaton has 4966 states and 7543 transitions. Word has length 1139 [2024-11-28 02:18:09,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:18:09,923 INFO L471 AbstractCegarLoop]: Abstraction has 4966 states and 7543 transitions. [2024-11-28 02:18:09,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 3 states have call successors, (151), 2 states have call predecessors, (151), 3 states have return successors, (150), 3 states have call predecessors, (150), 3 states have call successors, (150) [2024-11-28 02:18:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 4966 states and 7543 transitions. [2024-11-28 02:18:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2024-11-28 02:18:09,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:18:09,986 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:09,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:18:09,987 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:18:09,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:18:09,988 INFO L85 PathProgramCache]: Analyzing trace with hash -177437403, now seen corresponding path program 1 times [2024-11-28 02:18:09,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:18:09,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052693368] [2024-11-28 02:18:09,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:09,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:18:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 37464 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 37444 trivial. 0 not checked. [2024-11-28 02:18:16,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:18:16,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052693368] [2024-11-28 02:18:16,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052693368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:18:16,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:18:16,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:18:16,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670151519] [2024-11-28 02:18:16,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:18:16,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:18:16,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:18:16,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:18:16,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:18:16,212 INFO L87 Difference]: Start difference. First operand 4966 states and 7543 transitions. Second operand has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) [2024-11-28 02:18:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:18:17,107 INFO L93 Difference]: Finished difference Result 4974 states and 7549 transitions. [2024-11-28 02:18:17,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:18:17,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) Word has length 1094 [2024-11-28 02:18:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:18:17,148 INFO L225 Difference]: With dead ends: 4974 [2024-11-28 02:18:17,148 INFO L226 Difference]: Without dead ends: 4972 [2024-11-28 02:18:17,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:18:17,153 INFO L435 NwaCegarLoop]: 2042 mSDtfsCounter, 1544 mSDsluCounter, 6901 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 8943 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:18:17,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 8943 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:18:17,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4972 states. [2024-11-28 02:18:18,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4972 to 4970. [2024-11-28 02:18:18,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4970 states, 2972 states have (on average 1.2176985195154777) internal successors, (3619), 3189 states have internal predecessors, (3619), 1855 states have call successors, (1855), 142 states have call predecessors, (1855), 142 states have return successors, (2072), 1830 states have call predecessors, (2072), 1853 states have call successors, (2072) [2024-11-28 02:18:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4970 states to 4970 states and 7546 transitions. [2024-11-28 02:18:18,271 INFO L78 Accepts]: Start accepts. Automaton has 4970 states and 7546 transitions. Word has length 1094 [2024-11-28 02:18:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:18:18,273 INFO L471 AbstractCegarLoop]: Abstraction has 4970 states and 7546 transitions. [2024-11-28 02:18:18,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) [2024-11-28 02:18:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4970 states and 7546 transitions. [2024-11-28 02:18:18,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2024-11-28 02:18:18,340 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:18:18,341 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 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] [2024-11-28 02:18:18,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:18:18,341 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:18:18,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:18:18,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1775859121, now seen corresponding path program 1 times [2024-11-28 02:18:18,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:18:18,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382446656] [2024-11-28 02:18:18,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:18,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:18:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 38377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38377 trivial. 0 not checked. [2024-11-28 02:18:20,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:18:20,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382446656] [2024-11-28 02:18:20,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382446656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:18:20,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:18:20,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:18:20,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263804293] [2024-11-28 02:18:20,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:18:20,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:18:20,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:18:20,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:18:20,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:18:20,672 INFO L87 Difference]: Start difference. First operand 4970 states and 7546 transitions. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 3 states have call successors, (152), 2 states have call predecessors, (152), 4 states have return successors, (151), 3 states have call predecessors, (151), 3 states have call successors, (151) [2024-11-28 02:18:24,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:18:24,820 INFO L93 Difference]: Finished difference Result 9322 states and 14510 transitions. [2024-11-28 02:18:24,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:18:24,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 3 states have call successors, (152), 2 states have call predecessors, (152), 4 states have return successors, (151), 3 states have call predecessors, (151), 3 states have call successors, (151) Word has length 1144 [2024-11-28 02:18:24,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:18:24,874 INFO L225 Difference]: With dead ends: 9322 [2024-11-28 02:18:24,875 INFO L226 Difference]: Without dead ends: 5087 [2024-11-28 02:18:24,928 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 02:18:24,929 INFO L435 NwaCegarLoop]: 2108 mSDtfsCounter, 2512 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 3587 SdHoareTripleChecker+Invalid, 1989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:18:24,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2512 Valid, 3587 Invalid, 1989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [448 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-28 02:18:24,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5087 states. [2024-11-28 02:18:25,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5087 to 5087. [2024-11-28 02:18:25,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5087 states, 3055 states have (on average 1.2183306055646481) internal successors, (3722), 3272 states have internal predecessors, (3722), 1876 states have call successors, (1876), 155 states have call predecessors, (1876), 155 states have return successors, (2093), 1851 states have call predecessors, (2093), 1874 states have call successors, (2093) [2024-11-28 02:18:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 7691 transitions. [2024-11-28 02:18:25,879 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 7691 transitions. Word has length 1144 [2024-11-28 02:18:25,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:18:25,880 INFO L471 AbstractCegarLoop]: Abstraction has 5087 states and 7691 transitions. [2024-11-28 02:18:25,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 3 states have call successors, (152), 2 states have call predecessors, (152), 4 states have return successors, (151), 3 states have call predecessors, (151), 3 states have call successors, (151) [2024-11-28 02:18:25,881 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 7691 transitions. [2024-11-28 02:18:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1150 [2024-11-28 02:18:25,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:18:25,948 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 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] [2024-11-28 02:18:25,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:18:25,948 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:18:25,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:18:25,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1484096468, now seen corresponding path program 1 times [2024-11-28 02:18:25,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:18:25,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767512755] [2024-11-28 02:18:25,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:25,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:18:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 38377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38377 trivial. 0 not checked. [2024-11-28 02:18:28,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:18:28,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767512755] [2024-11-28 02:18:28,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767512755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:18:28,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:18:28,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:18:28,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058572981] [2024-11-28 02:18:28,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:18:28,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:18:28,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:18:28,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:18:28,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:18:28,400 INFO L87 Difference]: Start difference. First operand 5087 states and 7691 transitions. Second operand has 6 states, 6 states have (on average 70.0) internal successors, (420), 6 states have internal predecessors, (420), 4 states have call successors, (153), 2 states have call predecessors, (153), 4 states have return successors, (152), 4 states have call predecessors, (152), 4 states have call successors, (152) [2024-11-28 02:18:32,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:18:32,999 INFO L93 Difference]: Finished difference Result 9258 states and 14387 transitions. [2024-11-28 02:18:32,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:18:33,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 70.0) internal successors, (420), 6 states have internal predecessors, (420), 4 states have call successors, (153), 2 states have call predecessors, (153), 4 states have return successors, (152), 4 states have call predecessors, (152), 4 states have call successors, (152) Word has length 1149 [2024-11-28 02:18:33,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:18:33,058 INFO L225 Difference]: With dead ends: 9258 [2024-11-28 02:18:33,058 INFO L226 Difference]: Without dead ends: 5138 [2024-11-28 02:18:33,113 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 02:18:33,115 INFO L435 NwaCegarLoop]: 2130 mSDtfsCounter, 2582 mSDsluCounter, 1538 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 3668 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:18:33,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 3668 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-28 02:18:33,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5138 states. [2024-11-28 02:18:33,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5138 to 5138. [2024-11-28 02:18:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5138 states, 3094 states have (on average 1.218164188752424) internal successors, (3769), 3311 states have internal predecessors, (3769), 1881 states have call successors, (1881), 162 states have call predecessors, (1881), 162 states have return successors, (2098), 1856 states have call predecessors, (2098), 1879 states have call successors, (2098) [2024-11-28 02:18:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5138 states to 5138 states and 7748 transitions. [2024-11-28 02:18:34,024 INFO L78 Accepts]: Start accepts. Automaton has 5138 states and 7748 transitions. Word has length 1149 [2024-11-28 02:18:34,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:18:34,025 INFO L471 AbstractCegarLoop]: Abstraction has 5138 states and 7748 transitions. [2024-11-28 02:18:34,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.0) internal successors, (420), 6 states have internal predecessors, (420), 4 states have call successors, (153), 2 states have call predecessors, (153), 4 states have return successors, (152), 4 states have call predecessors, (152), 4 states have call successors, (152) [2024-11-28 02:18:34,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5138 states and 7748 transitions. [2024-11-28 02:18:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1150 [2024-11-28 02:18:34,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:18:34,093 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 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] [2024-11-28 02:18:34,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:18:34,094 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:18:34,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:18:34,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1959412519, now seen corresponding path program 1 times [2024-11-28 02:18:34,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:18:34,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636530759] [2024-11-28 02:18:34,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:34,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:18:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 38380 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38376 trivial. 0 not checked. [2024-11-28 02:18:36,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:18:36,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636530759] [2024-11-28 02:18:36,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636530759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:18:36,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493786633] [2024-11-28 02:18:36,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:36,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:18:36,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:18:36,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:18:36,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:18:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:39,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 4402 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:18:39,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:18:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 38380 backedges. 13996 proven. 0 refuted. 0 times theorem prover too weak. 24384 trivial. 0 not checked. [2024-11-28 02:18:39,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:18:39,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493786633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:18:39,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:18:39,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 02:18:39,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910593863] [2024-11-28 02:18:39,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:18:39,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:18:39,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:18:39,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:18:39,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:18:39,455 INFO L87 Difference]: Start difference. First operand 5138 states and 7748 transitions. Second operand has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2024-11-28 02:18:41,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:18:41,975 INFO L93 Difference]: Finished difference Result 7272 states and 11085 transitions. [2024-11-28 02:18:41,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:18:41,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) Word has length 1149 [2024-11-28 02:18:41,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:18:42,005 INFO L225 Difference]: With dead ends: 7272 [2024-11-28 02:18:42,006 INFO L226 Difference]: Without dead ends: 3178 [2024-11-28 02:18:42,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1155 GetRequests, 1148 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 02:18:42,040 INFO L435 NwaCegarLoop]: 2101 mSDtfsCounter, 798 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 6662 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:18:42,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 6662 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 02:18:42,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2024-11-28 02:18:42,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 3178. [2024-11-28 02:18:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 1948 states have (on average 1.2315195071868583) internal successors, (2399), 2061 states have internal predecessors, (2399), 1127 states have call successors, (1127), 102 states have call predecessors, (1127), 102 states have return successors, (1248), 1114 states have call predecessors, (1248), 1125 states have call successors, (1248) [2024-11-28 02:18:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4774 transitions. [2024-11-28 02:18:42,667 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4774 transitions. Word has length 1149 [2024-11-28 02:18:42,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:18:42,668 INFO L471 AbstractCegarLoop]: Abstraction has 3178 states and 4774 transitions. [2024-11-28 02:18:42,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2024-11-28 02:18:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4774 transitions. [2024-11-28 02:18:42,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2024-11-28 02:18:42,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:18:42,698 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 12, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:42,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:18:42,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 02:18:42,899 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:18:42,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:18:42,899 INFO L85 PathProgramCache]: Analyzing trace with hash -364254351, now seen corresponding path program 1 times [2024-11-28 02:18:42,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:18:42,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447005589] [2024-11-28 02:18:42,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:42,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:18:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 37506 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 37484 trivial. 0 not checked. [2024-11-28 02:18:48,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:18:48,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447005589] [2024-11-28 02:18:48,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447005589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:18:48,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:18:48,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:18:48,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794934712] [2024-11-28 02:18:48,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:18:48,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:18:48,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:18:48,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:18:48,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:18:48,099 INFO L87 Difference]: Start difference. First operand 3178 states and 4774 transitions. Second operand has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 2 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (148), 1 states have call predecessors, (148), 1 states have call successors, (148) [2024-11-28 02:18:48,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:18:48,810 INFO L93 Difference]: Finished difference Result 3186 states and 4780 transitions. [2024-11-28 02:18:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:18:48,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 2 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (148), 1 states have call predecessors, (148), 1 states have call successors, (148) Word has length 1100 [2024-11-28 02:18:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:18:48,835 INFO L225 Difference]: With dead ends: 3186 [2024-11-28 02:18:48,835 INFO L226 Difference]: Without dead ends: 3184 [2024-11-28 02:18:48,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:18:48,840 INFO L435 NwaCegarLoop]: 2036 mSDtfsCounter, 1541 mSDsluCounter, 6876 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 8912 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:18:48,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 8912 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:18:48,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2024-11-28 02:18:49,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3182. [2024-11-28 02:18:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3182 states, 1951 states have (on average 1.231163505894413) internal successors, (2402), 2064 states have internal predecessors, (2402), 1127 states have call successors, (1127), 103 states have call predecessors, (1127), 103 states have return successors, (1248), 1114 states have call predecessors, (1248), 1125 states have call successors, (1248) [2024-11-28 02:18:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 3182 states and 4777 transitions. [2024-11-28 02:18:49,373 INFO L78 Accepts]: Start accepts. Automaton has 3182 states and 4777 transitions. Word has length 1100 [2024-11-28 02:18:49,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:18:49,374 INFO L471 AbstractCegarLoop]: Abstraction has 3182 states and 4777 transitions. [2024-11-28 02:18:49,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 2 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (148), 1 states have call predecessors, (148), 1 states have call successors, (148) [2024-11-28 02:18:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3182 states and 4777 transitions. [2024-11-28 02:18:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2024-11-28 02:18:49,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:18:49,397 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:49,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:18:49,397 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:18:49,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:18:49,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2028155323, now seen corresponding path program 1 times [2024-11-28 02:18:49,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:18:49,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910212322] [2024-11-28 02:18:49,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:18:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 37552 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 37528 trivial. 0 not checked. [2024-11-28 02:18:54,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:18:54,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910212322] [2024-11-28 02:18:54,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910212322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:18:54,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:18:54,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:18:54,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909255042] [2024-11-28 02:18:54,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:18:54,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:18:54,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:18:54,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:18:54,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:18:54,797 INFO L87 Difference]: Start difference. First operand 3182 states and 4777 transitions. Second operand has 6 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 2 states have call successors, (150), 2 states have call predecessors, (150), 1 states have return successors, (149), 1 states have call predecessors, (149), 1 states have call successors, (149) [2024-11-28 02:18:55,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:18:55,486 INFO L93 Difference]: Finished difference Result 3190 states and 4783 transitions. [2024-11-28 02:18:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:18:55,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 2 states have call successors, (150), 2 states have call predecessors, (150), 1 states have return successors, (149), 1 states have call predecessors, (149), 1 states have call successors, (149) Word has length 1106 [2024-11-28 02:18:55,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:18:55,517 INFO L225 Difference]: With dead ends: 3190 [2024-11-28 02:18:55,518 INFO L226 Difference]: Without dead ends: 3188 [2024-11-28 02:18:55,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:18:55,523 INFO L435 NwaCegarLoop]: 2036 mSDtfsCounter, 1539 mSDsluCounter, 6876 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 8912 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:18:55,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 8912 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:18:55,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2024-11-28 02:18:56,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3186. [2024-11-28 02:18:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 1954 states have (on average 1.2308085977482088) internal successors, (2405), 2067 states have internal predecessors, (2405), 1127 states have call successors, (1127), 104 states have call predecessors, (1127), 104 states have return successors, (1248), 1114 states have call predecessors, (1248), 1125 states have call successors, (1248) [2024-11-28 02:18:56,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 4780 transitions. [2024-11-28 02:18:56,166 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 4780 transitions. Word has length 1106 [2024-11-28 02:18:56,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:18:56,168 INFO L471 AbstractCegarLoop]: Abstraction has 3186 states and 4780 transitions. [2024-11-28 02:18:56,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 2 states have call successors, (150), 2 states have call predecessors, (150), 1 states have return successors, (149), 1 states have call predecessors, (149), 1 states have call successors, (149) [2024-11-28 02:18:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 4780 transitions. [2024-11-28 02:18:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2024-11-28 02:18:56,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:18:56,205 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 3, 3, 3, 3, 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] [2024-11-28 02:18:56,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:18:56,206 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:18:56,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:18:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash -383109968, now seen corresponding path program 1 times [2024-11-28 02:18:56,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:18:56,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503259772] [2024-11-28 02:18:56,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:18:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:18:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:18:58,852 INFO L134 CoverageAnalysis]: Checked inductivity of 38392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38392 trivial. 0 not checked. [2024-11-28 02:18:58,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:18:58,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503259772] [2024-11-28 02:18:58,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503259772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:18:58,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:18:58,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:18:58,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488056955] [2024-11-28 02:18:58,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:18:58,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:18:58,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:18:58,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:18:58,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:18:58,858 INFO L87 Difference]: Start difference. First operand 3186 states and 4780 transitions. Second operand has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 4 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (153), 4 states have call predecessors, (153), 4 states have call successors, (153) [2024-11-28 02:19:02,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:19:02,796 INFO L93 Difference]: Finished difference Result 4569 states and 6848 transitions. [2024-11-28 02:19:02,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:19:02,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 4 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (153), 4 states have call predecessors, (153), 4 states have call successors, (153) Word has length 1159 [2024-11-28 02:19:02,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:19:02,810 INFO L225 Difference]: With dead ends: 4569 [2024-11-28 02:19:02,810 INFO L226 Difference]: Without dead ends: 2099 [2024-11-28 02:19:02,827 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 02:19:02,828 INFO L435 NwaCegarLoop]: 2116 mSDtfsCounter, 3287 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 1001 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3287 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 2083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1001 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:19:02,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3287 Valid, 3230 Invalid, 2083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1001 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 02:19:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2024-11-28 02:19:03,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099. [2024-11-28 02:19:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2099 states, 1310 states have (on average 1.2404580152671756) internal successors, (1625), 1369 states have internal predecessors, (1625), 723 states have call successors, (723), 65 states have call predecessors, (723), 65 states have return successors, (745), 716 states have call predecessors, (745), 721 states have call successors, (745) [2024-11-28 02:19:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3093 transitions. [2024-11-28 02:19:03,246 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 3093 transitions. Word has length 1159 [2024-11-28 02:19:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:19:03,247 INFO L471 AbstractCegarLoop]: Abstraction has 2099 states and 3093 transitions. [2024-11-28 02:19:03,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 4 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (153), 4 states have call predecessors, (153), 4 states have call successors, (153) [2024-11-28 02:19:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 3093 transitions. [2024-11-28 02:19:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2024-11-28 02:19:03,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:19:03,269 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 2, 2, 2, 2, 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] [2024-11-28 02:19:03,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:19:03,269 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:19:03,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:19:03,271 INFO L85 PathProgramCache]: Analyzing trace with hash -568773173, now seen corresponding path program 1 times [2024-11-28 02:19:03,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:19:03,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355318482] [2024-11-28 02:19:03,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:19:03,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:19:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:19:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 38385 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 38379 trivial. 0 not checked. [2024-11-28 02:19:05,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:19:05,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355318482] [2024-11-28 02:19:05,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355318482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:19:05,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319999473] [2024-11-28 02:19:05,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:19:05,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:19:05,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:19:05,180 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:19:05,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:19:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:19:07,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 4440 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:19:07,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:19:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 38385 backedges. 13994 proven. 0 refuted. 0 times theorem prover too weak. 24391 trivial. 0 not checked. [2024-11-28 02:19:08,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:19:08,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319999473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:19:08,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:19:08,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 02:19:08,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849375545] [2024-11-28 02:19:08,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:19:08,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:19:08,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:19:08,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:19:08,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:19:08,118 INFO L87 Difference]: Start difference. First operand 2099 states and 3093 transitions. Second operand has 5 states, 5 states have (on average 85.2) internal successors, (426), 5 states have internal predecessors, (426), 3 states have call successors, (154), 3 states have call predecessors, (154), 3 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2024-11-28 02:19:10,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:19:10,655 INFO L93 Difference]: Finished difference Result 3267 states and 4863 transitions. [2024-11-28 02:19:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:19:10,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.2) internal successors, (426), 5 states have internal predecessors, (426), 3 states have call successors, (154), 3 states have call predecessors, (154), 3 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) Word has length 1159 [2024-11-28 02:19:10,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:19:10,672 INFO L225 Difference]: With dead ends: 3267 [2024-11-28 02:19:10,672 INFO L226 Difference]: Without dead ends: 2095 [2024-11-28 02:19:10,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1165 GetRequests, 1158 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 02:19:10,683 INFO L435 NwaCegarLoop]: 2081 mSDtfsCounter, 880 mSDsluCounter, 4402 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 6483 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:19:10,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 6483 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 02:19:10,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2024-11-28 02:19:11,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2095. [2024-11-28 02:19:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 1308 states have (on average 1.239296636085627) internal successors, (1621), 1367 states have internal predecessors, (1621), 721 states have call successors, (721), 65 states have call predecessors, (721), 65 states have return successors, (743), 714 states have call predecessors, (743), 719 states have call successors, (743) [2024-11-28 02:19:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 3085 transitions. [2024-11-28 02:19:11,136 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 3085 transitions. Word has length 1159 [2024-11-28 02:19:11,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:19:11,136 INFO L471 AbstractCegarLoop]: Abstraction has 2095 states and 3085 transitions. [2024-11-28 02:19:11,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.2) internal successors, (426), 5 states have internal predecessors, (426), 3 states have call successors, (154), 3 states have call predecessors, (154), 3 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2024-11-28 02:19:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 3085 transitions. [2024-11-28 02:19:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2024-11-28 02:19:11,150 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:19:11,150 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 4, 4, 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] [2024-11-28 02:19:11,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:19:11,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:19:11,351 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:19:11,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:19:11,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1462137259, now seen corresponding path program 1 times [2024-11-28 02:19:11,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:19:11,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240001931] [2024-11-28 02:19:11,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:19:11,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:19:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:19:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 38397 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38397 trivial. 0 not checked. [2024-11-28 02:19:13,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:19:13,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240001931] [2024-11-28 02:19:13,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240001931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:19:13,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:19:13,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:19:13,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323913840] [2024-11-28 02:19:13,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:19:13,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:19:13,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:19:13,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:19:13,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:19:13,356 INFO L87 Difference]: Start difference. First operand 2095 states and 3085 transitions. Second operand has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 3 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2024-11-28 02:19:17,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:19:17,190 INFO L93 Difference]: Finished difference Result 3263 states and 4853 transitions. [2024-11-28 02:19:17,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:19:17,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 3 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) Word has length 1159 [2024-11-28 02:19:17,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:19:17,206 INFO L225 Difference]: With dead ends: 3263 [2024-11-28 02:19:17,206 INFO L226 Difference]: Without dead ends: 2095 [2024-11-28 02:19:17,216 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 02:19:17,218 INFO L435 NwaCegarLoop]: 2084 mSDtfsCounter, 2830 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2830 SdHoareTripleChecker+Valid, 3913 SdHoareTripleChecker+Invalid, 2181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:19:17,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2830 Valid, 3913 Invalid, 2181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-28 02:19:17,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2024-11-28 02:19:17,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2095. [2024-11-28 02:19:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 1308 states have (on average 1.2377675840978593) internal successors, (1619), 1367 states have internal predecessors, (1619), 721 states have call successors, (721), 65 states have call predecessors, (721), 65 states have return successors, (743), 714 states have call predecessors, (743), 719 states have call successors, (743) [2024-11-28 02:19:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 3083 transitions. [2024-11-28 02:19:17,705 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 3083 transitions. Word has length 1159 [2024-11-28 02:19:17,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:19:17,706 INFO L471 AbstractCegarLoop]: Abstraction has 2095 states and 3083 transitions. [2024-11-28 02:19:17,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 3 states have call successors, (154), 2 states have call predecessors, (154), 4 states have return successors, (153), 3 states have call predecessors, (153), 3 states have call successors, (153) [2024-11-28 02:19:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 3083 transitions. [2024-11-28 02:19:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2024-11-28 02:19:17,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:19:17,727 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:19:17,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 02:19:17,728 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:19:17,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:19:17,729 INFO L85 PathProgramCache]: Analyzing trace with hash 855892355, now seen corresponding path program 1 times [2024-11-28 02:19:17,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:19:17,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738585956] [2024-11-28 02:19:17,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:19:17,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:19:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:19:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 37602 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 37576 trivial. 0 not checked. [2024-11-28 02:19:23,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:19:23,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738585956] [2024-11-28 02:19:23,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738585956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:19:23,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:19:23,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:19:23,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414647585] [2024-11-28 02:19:23,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:19:23,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:19:23,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:19:23,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:19:23,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:19:23,417 INFO L87 Difference]: Start difference. First operand 2095 states and 3083 transitions. Second operand has 6 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 2 states have call successors, (151), 2 states have call predecessors, (151), 1 states have return successors, (150), 1 states have call predecessors, (150), 1 states have call successors, (150) [2024-11-28 02:19:24,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:19:24,085 INFO L93 Difference]: Finished difference Result 2103 states and 3089 transitions. [2024-11-28 02:19:24,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:19:24,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 2 states have call successors, (151), 2 states have call predecessors, (151), 1 states have return successors, (150), 1 states have call predecessors, (150), 1 states have call successors, (150) Word has length 1112 [2024-11-28 02:19:24,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:19:24,097 INFO L225 Difference]: With dead ends: 2103 [2024-11-28 02:19:24,097 INFO L226 Difference]: Without dead ends: 2101 [2024-11-28 02:19:24,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:19:24,099 INFO L435 NwaCegarLoop]: 2039 mSDtfsCounter, 1536 mSDsluCounter, 6876 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 8915 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:19:24,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 8915 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:19:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2024-11-28 02:19:24,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 2099. [2024-11-28 02:19:24,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2099 states, 1311 states have (on average 1.2372234935163997) internal successors, (1622), 1370 states have internal predecessors, (1622), 721 states have call successors, (721), 66 states have call predecessors, (721), 66 states have return successors, (743), 714 states have call predecessors, (743), 719 states have call successors, (743) [2024-11-28 02:19:24,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3086 transitions. [2024-11-28 02:19:24,486 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 3086 transitions. Word has length 1112 [2024-11-28 02:19:24,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:19:24,488 INFO L471 AbstractCegarLoop]: Abstraction has 2099 states and 3086 transitions. [2024-11-28 02:19:24,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 2 states have call successors, (151), 2 states have call predecessors, (151), 1 states have return successors, (150), 1 states have call predecessors, (150), 1 states have call successors, (150) [2024-11-28 02:19:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 3086 transitions. [2024-11-28 02:19:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1165 [2024-11-28 02:19:24,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:19:24,511 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 5, 5, 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] [2024-11-28 02:19:24,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 02:19:24,511 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:19:24,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:19:24,512 INFO L85 PathProgramCache]: Analyzing trace with hash 196251946, now seen corresponding path program 1 times [2024-11-28 02:19:24,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:19:24,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772297487] [2024-11-28 02:19:24,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:19:24,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:19:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:19:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 38409 backedges. 108 proven. 714 refuted. 0 times theorem prover too weak. 37587 trivial. 0 not checked. [2024-11-28 02:19:58,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:19:58,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772297487] [2024-11-28 02:19:58,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772297487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:19:58,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886445125] [2024-11-28 02:19:58,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:19:58,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:19:58,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:19:58,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:19:58,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4e14c1-4780-4d50-b9b1-6f5c8ae04be4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:20:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:20:03,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 4438 conjuncts, 630 conjuncts are in the unsatisfiable core [2024-11-28 02:20:03,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:20:03,685 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 11 treesize of output 7 [2024-11-28 02:20:03,709 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 11 treesize of output 7 [2024-11-28 02:20:03,733 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 11 treesize of output 7 [2024-11-28 02:20:06,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 276 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 13 [2024-11-28 02:20:06,999 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 21 treesize of output 13