/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-20 01:35:32,354 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-20 01:35:32,420 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-20 01:35:32,423 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-20 01:35:32,424 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-20 01:35:32,446 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-20 01:35:32,447 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-20 01:35:32,447 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-20 01:35:32,447 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-20 01:35:32,450 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-20 01:35:32,451 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-20 01:35:32,451 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-20 01:35:32,452 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-20 01:35:32,452 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-20 01:35:32,453 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-20 01:35:32,453 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-20 01:35:32,453 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-20 01:35:32,453 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-20 01:35:32,453 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-20 01:35:32,453 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-20 01:35:32,454 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-20 01:35:32,454 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-20 01:35:32,454 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-20 01:35:32,454 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-20 01:35:32,454 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-20 01:35:32,454 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-20 01:35:32,455 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-20 01:35:32,455 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-20 01:35:32,455 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-20 01:35:32,455 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-20 01:35:32,456 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-20 01:35:32,456 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-20 01:35:32,456 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 01:35:32,456 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-20 01:35:32,456 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-20 01:35:32,457 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-20 01:35:32,457 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-20 01:35:32,457 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-20 01:35:32,457 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-20 01:35:32,457 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-20 01:35:32,457 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-20 01:35:32,457 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-20 01:35:32,457 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-20 01:35:32,457 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-20 01:35:32,662 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-20 01:35:32,695 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-20 01:35:32,697 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-20 01:35:32,698 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-20 01:35:32,698 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-20 01:35:32,699 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c
[2023-12-20 01:35:33,866 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-20 01:35:34,263 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-20 01:35:34,264 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c
[2023-12-20 01:35:34,299 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/462f49627/af230b8488f74e2aba552319bd1a583b/FLAG36eb4aaaa
[2023-12-20 01:35:34,312 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/462f49627/af230b8488f74e2aba552319bd1a583b
[2023-12-20 01:35:34,314 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-20 01:35:34,315 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-20 01:35:34,317 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-20 01:35:34,317 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-20 01:35:34,320 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-20 01:35:34,321 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 01:35:34" (1/1) ...
[2023-12-20 01:35:34,321 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38206709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:34, skipping insertion in model container
[2023-12-20 01:35:34,322 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 01:35:34" (1/1) ...
[2023-12-20 01:35:34,411 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-20 01:35:34,621 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c[2213,2226]
[2023-12-20 01:35:35,172 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 01:35:35,189 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-20 01:35:35,195 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok1.i","-S") [51]
[2023-12-20 01:35:35,201 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c[2213,2226]
[2023-12-20 01:35:35,531 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 01:35:35,563 INFO  L206         MainTranslator]: Completed translation
[2023-12-20 01:35:35,563 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35 WrapperNode
[2023-12-20 01:35:35,563 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-20 01:35:35,565 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-20 01:35:35,565 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-20 01:35:35,565 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-20 01:35:35,570 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:35,675 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:36,249 INFO  L138                Inliner]: procedures = 101, calls = 6646, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21843
[2023-12-20 01:35:36,249 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-20 01:35:36,250 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-20 01:35:36,250 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-20 01:35:36,250 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-20 01:35:36,259 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:36,259 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:36,466 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:36,593 INFO  L175           MemorySlicer]: Split 6246 memory accesses to 57 slices as follows [2, 17, 17, 17, 9, 360, 488, 432, 456, 480, 392, 284, 212, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82, 58, 82]. 8 percent of accesses are in the largest equivalence class. The 86 initializations are split as follows [2, 8, 8, 8, 4, 8, 8, 8, 8, 8, 8, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 1336 writes are split as follows [0, 1, 1, 1, 1, 8, 8, 8, 8, 8, 8, 4, 4, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28, 30, 28].
[2023-12-20 01:35:36,593 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:36,593 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:36,906 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:36,948 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:36,991 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:37,089 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:37,165 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-20 01:35:37,167 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-20 01:35:37,167 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-20 01:35:37,167 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-20 01:35:37,168 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (1/1) ...
[2023-12-20 01:35:37,172 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 01:35:37,179 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 01:35:37,191 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-20 01:35:37,215 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-20 01:35:37,224 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_W_state
[2023-12-20 01:35:37,224 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state
[2023-12-20 01:35:37,225 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_T_state
[2023-12-20 01:35:37,225 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state
[2023-12-20 01:35:37,225 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2023-12-20 01:35:37,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2023-12-20 01:35:37,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2023-12-20 01:35:37,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2023-12-20 01:35:37,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#4
[2023-12-20 01:35:37,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#5
[2023-12-20 01:35:37,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#6
[2023-12-20 01:35:37,226 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#7
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#8
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#9
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#10
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#11
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#12
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#13
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#14
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#15
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#16
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#17
[2023-12-20 01:35:37,227 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#18
[2023-12-20 01:35:37,228 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#19
[2023-12-20 01:35:37,229 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#20
[2023-12-20 01:35:37,229 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#21
[2023-12-20 01:35:37,229 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#22
[2023-12-20 01:35:37,230 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#23
[2023-12-20 01:35:37,230 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#24
[2023-12-20 01:35:37,230 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#25
[2023-12-20 01:35:37,230 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#26
[2023-12-20 01:35:37,230 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#27
[2023-12-20 01:35:37,231 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#28
[2023-12-20 01:35:37,231 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#29
[2023-12-20 01:35:37,231 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#30
[2023-12-20 01:35:37,231 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#31
[2023-12-20 01:35:37,231 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#32
[2023-12-20 01:35:37,234 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#33
[2023-12-20 01:35:37,234 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#34
[2023-12-20 01:35:37,234 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#35
[2023-12-20 01:35:37,234 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#36
[2023-12-20 01:35:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#37
[2023-12-20 01:35:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#38
[2023-12-20 01:35:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#39
[2023-12-20 01:35:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#40
[2023-12-20 01:35:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#41
[2023-12-20 01:35:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#42
[2023-12-20 01:35:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#43
[2023-12-20 01:35:37,235 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#44
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#45
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#46
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#47
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#48
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#49
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#50
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#51
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#52
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#53
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#54
[2023-12-20 01:35:37,236 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#55
[2023-12-20 01:35:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#56
[2023-12-20 01:35:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg
[2023-12-20 01:35:37,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg
[2023-12-20 01:35:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_set_count
[2023-12-20 01:35:37,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count
[2023-12-20 01:35:37,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority
[2023-12-20 01:35:37,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority
[2023-12-20 01:35:37,238 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_input
[2023-12-20 01:35:37,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_input
[2023-12-20 01:35:37,238 INFO  L130     BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor
[2023-12-20 01:35:37,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor
[2023-12-20 01:35:37,238 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer
[2023-12-20 01:35:37,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer
[2023-12-20 01:35:37,239 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode
[2023-12-20 01:35:37,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode
[2023-12-20 01:35:37,239 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2023-12-20 01:35:37,239 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2023-12-20 01:35:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2023-12-20 01:35:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2023-12-20 01:35:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#4
[2023-12-20 01:35:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#5
[2023-12-20 01:35:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#6
[2023-12-20 01:35:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#7
[2023-12-20 01:35:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#8
[2023-12-20 01:35:37,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#9
[2023-12-20 01:35:37,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#10
[2023-12-20 01:35:37,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#11
[2023-12-20 01:35:37,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#12
[2023-12-20 01:35:37,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#13
[2023-12-20 01:35:37,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#14
[2023-12-20 01:35:37,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#15
[2023-12-20 01:35:37,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#16
[2023-12-20 01:35:37,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#17
[2023-12-20 01:35:37,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#18
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#19
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#20
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#21
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#22
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#23
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#24
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#25
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#26
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#27
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#28
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#29
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#30
[2023-12-20 01:35:37,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#31
[2023-12-20 01:35:37,243 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#32
[2023-12-20 01:35:37,243 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#33
[2023-12-20 01:35:37,243 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#34
[2023-12-20 01:35:37,243 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#35
[2023-12-20 01:35:37,243 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#36
[2023-12-20 01:35:37,243 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#37
[2023-12-20 01:35:37,243 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#38
[2023-12-20 01:35:37,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#39
[2023-12-20 01:35:37,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#40
[2023-12-20 01:35:37,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#41
[2023-12-20 01:35:37,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#42
[2023-12-20 01:35:37,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#43
[2023-12-20 01:35:37,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#44
[2023-12-20 01:35:37,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#45
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#46
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#47
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#48
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#49
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#50
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#51
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#52
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#53
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#54
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#55
[2023-12-20 01:35:37,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#56
[2023-12-20 01:35:37,246 INFO  L130     BoogieDeclarations]: Found specification of procedure assert
[2023-12-20 01:35:37,246 INFO  L138     BoogieDeclarations]: Found implementation of procedure assert
[2023-12-20 01:35:37,246 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_R_count
[2023-12-20 01:35:37,246 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count
[2023-12-20 01:35:37,246 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_T_state
[2023-12-20 01:35:37,246 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state
[2023-12-20 01:35:37,246 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_output
[2023-12-20 01:35:37,247 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_output
[2023-12-20 01:35:37,247 INFO  L130     BoogieDeclarations]: Found specification of procedure move_motor
[2023-12-20 01:35:37,247 INFO  L138     BoogieDeclarations]: Found implementation of procedure move_motor
[2023-12-20 01:35:37,247 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed
[2023-12-20 01:35:37,247 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed
[2023-12-20 01:35:37,247 INFO  L130     BoogieDeclarations]: Found specification of procedure nxt_motor_get_count
[2023-12-20 01:35:37,247 INFO  L138     BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count
[2023-12-20 01:35:37,247 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-20 01:35:37,247 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t2
[2023-12-20 01:35:37,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2
[2023-12-20 01:35:37,248 INFO  L130     BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor
[2023-12-20 01:35:37,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor
[2023-12-20 01:35:37,249 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t3
[2023-12-20 01:35:37,250 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3
[2023-12-20 01:35:37,252 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_output
[2023-12-20 01:35:37,252 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_output
[2023-12-20 01:35:37,256 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t0
[2023-12-20 01:35:37,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0
[2023-12-20 01:35:37,257 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_T_count
[2023-12-20 01:35:37,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count
[2023-12-20 01:35:37,257 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_cs_t1
[2023-12-20 01:35:37,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1
[2023-12-20 01:35:37,257 INFO  L130     BoogieDeclarations]: Found specification of procedure TerminateTask
[2023-12-20 01:35:37,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure TerminateTask
[2023-12-20 01:35:37,257 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_W_count
[2023-12-20 01:35:37,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count
[2023-12-20 01:35:37,257 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority
[2023-12-20 01:35:37,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority
[2023-12-20 01:35:37,257 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_W_count
[2023-12-20 01:35:37,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count
[2023-12-20 01:35:37,257 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_T_count
[2023-12-20 01:35:37,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count
[2023-12-20 01:35:37,258 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed
[2023-12-20 01:35:37,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed
[2023-12-20 01:35:37,258 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode
[2023-12-20 01:35:37,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode
[2023-12-20 01:35:37,258 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_threshold
[2023-12-20 01:35:37,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold
[2023-12-20 01:35:37,258 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read
[2023-12-20 01:35:37,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read
[2023-12-20 01:35:37,258 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_R_state
[2023-12-20 01:35:37,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state
[2023-12-20 01:35:37,258 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader
[2023-12-20 01:35:37,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader
[2023-12-20 01:35:37,258 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_dir
[2023-12-20 01:35:37,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_dir
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed
[2023-12-20 01:35:37,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_input
[2023-12-20 01:35:37,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_input
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_R_state
[2023-12-20 01:35:37,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg
[2023-12-20 01:35:37,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_W_state
[2023-12-20 01:35:37,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_write_R_count
[2023-12-20 01:35:37,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover
[2023-12-20 01:35:37,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-12-20 01:35:37,259 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#5
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#6
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#7
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#8
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#9
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#10
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#11
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#12
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#13
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#14
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#15
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#16
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#17
[2023-12-20 01:35:37,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#18
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#19
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#20
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#21
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#22
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#23
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#24
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#25
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#26
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#27
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#28
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#29
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#30
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#31
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#32
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#33
[2023-12-20 01:35:37,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#34
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#35
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#36
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#37
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#38
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#39
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#40
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#41
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#42
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#43
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#44
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#45
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#46
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#47
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#48
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#49
[2023-12-20 01:35:37,262 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#50
[2023-12-20 01:35:37,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#51
[2023-12-20 01:35:37,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#52
[2023-12-20 01:35:37,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#53
[2023-12-20 01:35:37,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#54
[2023-12-20 01:35:37,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#55
[2023-12-20 01:35:37,263 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#56
[2023-12-20 01:35:37,263 INFO  L130     BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller
[2023-12-20 01:35:37,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller
[2023-12-20 01:35:37,263 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-20 01:35:37,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-20 01:35:38,146 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-20 01:35:38,148 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-20 01:35:49,604 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-20 01:35:49,911 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-20 01:35:49,911 INFO  L309             CfgBuilder]: Removed 4 assume(true) statements.
[2023-12-20 01:35:49,912 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 01:35:49 BoogieIcfgContainer
[2023-12-20 01:35:49,912 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-20 01:35:49,913 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-20 01:35:49,913 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-20 01:35:49,915 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-20 01:35:49,915 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 01:35:34" (1/3) ...
[2023-12-20 01:35:49,916 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720276f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 01:35:49, skipping insertion in model container
[2023-12-20 01:35:49,916 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:35:35" (2/3) ...
[2023-12-20 01:35:49,916 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720276f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 01:35:49, skipping insertion in model container
[2023-12-20 01:35:49,916 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 01:35:49" (3/3) ...
[2023-12-20 01:35:49,917 INFO  L112   eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c
[2023-12-20 01:35:49,929 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-20 01:35:49,929 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-20 01:35:49,998 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-20 01:35:50,003 INFO  L357      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, mHoare=true, 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;@49ea464b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-20 01:35:50,003 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-20 01:35:50,021 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4757 states, 4369 states have (on average 1.5555046921492333) internal successors, (6796), 4393 states have internal predecessors, (6796), 343 states have call successors, (343), 43 states have call predecessors, (343), 43 states have return successors, (343), 333 states have call predecessors, (343), 343 states have call successors, (343)
[2023-12-20 01:35:50,136 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1930
[2023-12-20 01:35:50,136 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:35:50,139 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:35:50,139 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:35:50,144 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:35:50,145 INFO  L85        PathProgramCache]: Analyzing trace with hash 981328777, now seen corresponding path program 1 times
[2023-12-20 01:35:50,151 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:35:50,152 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988285630]
[2023-12-20 01:35:50,152 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:35:50,152 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:35:59,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:36:01,104 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-20 01:36:01,104 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:36:01,104 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988285630]
[2023-12-20 01:36:01,105 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988285630] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:36:01,105 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:36:01,105 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-20 01:36:01,106 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834396636]
[2023-12-20 01:36:01,108 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:36:01,114 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-20 01:36:01,114 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:36:01,137 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-20 01:36:01,138 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-20 01:36:01,148 INFO  L87              Difference]: Start difference. First operand  has 4757 states, 4369 states have (on average 1.5555046921492333) internal successors, (6796), 4393 states have internal predecessors, (6796), 343 states have call successors, (343), 43 states have call predecessors, (343), 43 states have return successors, (343), 333 states have call predecessors, (343), 343 states have call successors, (343) Second operand  has 2 states, 2 states have (on average 964.0) internal successors, (1928), 2 states have internal predecessors, (1928), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-20 01:36:05,320 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:36:05,543 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:36:05,543 INFO  L93              Difference]: Finished difference Result 9508 states and 15252 transitions.
[2023-12-20 01:36:05,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-20 01:36:05,546 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 964.0) internal successors, (1928), 2 states have internal predecessors, (1928), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1929
[2023-12-20 01:36:05,546 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:36:05,577 INFO  L225             Difference]: With dead ends: 9508
[2023-12-20 01:36:05,577 INFO  L226             Difference]: Without dead ends: 4745
[2023-12-20 01:36:05,603 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-20 01:36:05,606 INFO  L413           NwaCegarLoop]: 5890 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5890 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2023-12-20 01:36:05,610 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5890 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time]
[2023-12-20 01:36:05,631 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4745 states.
[2023-12-20 01:36:05,748 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4745 to 4745.
[2023-12-20 01:36:05,757 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4745 states, 4358 states have (on average 1.205828361633777) internal successors, (5255), 4382 states have internal predecessors, (5255), 343 states have call successors, (343), 43 states have call predecessors, (343), 43 states have return successors, (342), 332 states have call predecessors, (342), 342 states have call successors, (342)
[2023-12-20 01:36:05,772 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4745 states to 4745 states and 5940 transitions.
[2023-12-20 01:36:05,774 INFO  L78                 Accepts]: Start accepts. Automaton has 4745 states and 5940 transitions. Word has length 1929
[2023-12-20 01:36:05,775 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:36:05,775 INFO  L495      AbstractCegarLoop]: Abstraction has 4745 states and 5940 transitions.
[2023-12-20 01:36:05,776 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 964.0) internal successors, (1928), 2 states have internal predecessors, (1928), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-20 01:36:05,776 INFO  L276                IsEmpty]: Start isEmpty. Operand 4745 states and 5940 transitions.
[2023-12-20 01:36:06,000 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1930
[2023-12-20 01:36:06,000 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:36:06,001 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:36:06,001 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-20 01:36:06,001 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:36:06,002 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:36:06,002 INFO  L85        PathProgramCache]: Analyzing trace with hash -1988693859, now seen corresponding path program 1 times
[2023-12-20 01:36:06,002 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:36:06,003 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477934760]
[2023-12-20 01:36:06,003 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:36:06,003 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:36:17,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:36:21,212 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-20 01:36:21,213 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:36:21,213 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477934760]
[2023-12-20 01:36:21,213 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477934760] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:36:21,213 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:36:21,214 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-20 01:36:21,214 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460328123]
[2023-12-20 01:36:21,214 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:36:21,217 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:36:21,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:36:21,218 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:36:21,218 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:36:21,219 INFO  L87              Difference]: Start difference. First operand 4745 states and 5940 transitions. Second operand  has 6 states, 5 states have (on average 385.6) internal successors, (1928), 4 states have internal predecessors, (1928), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-20 01:36:25,398 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:36:29,440 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:36:33,467 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:36:37,493 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:36:38,053 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:36:38,053 INFO  L93              Difference]: Finished difference Result 6841 states and 8472 transitions.
[2023-12-20 01:36:38,053 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:36:38,054 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 385.6) internal successors, (1928), 4 states have internal predecessors, (1928), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1929
[2023-12-20 01:36:38,058 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:36:38,082 INFO  L225             Difference]: With dead ends: 6841
[2023-12-20 01:36:38,083 INFO  L226             Difference]: Without dead ends: 6839
[2023-12-20 01:36:38,086 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:36:38,087 INFO  L413           NwaCegarLoop]: 5909 mSDtfsCounter, 4021 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4021 SdHoareTripleChecker+Valid, 26073 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time
[2023-12-20 01:36:38,088 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4021 Valid, 26073 Invalid, 366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 4 Unknown, 0 Unchecked, 16.6s Time]
[2023-12-20 01:36:38,094 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6839 states.
[2023-12-20 01:36:38,202 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6839 to 6837.
[2023-12-20 01:36:38,209 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6837 states, 6177 states have (on average 1.1829367006637526) internal successors, (7307), 6215 states have internal predecessors, (7307), 578 states have call successors, (578), 81 states have call predecessors, (578), 81 states have return successors, (584), 561 states have call predecessors, (584), 576 states have call successors, (584)
[2023-12-20 01:36:38,225 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6837 states to 6837 states and 8469 transitions.
[2023-12-20 01:36:38,226 INFO  L78                 Accepts]: Start accepts. Automaton has 6837 states and 8469 transitions. Word has length 1929
[2023-12-20 01:36:38,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:36:38,228 INFO  L495      AbstractCegarLoop]: Abstraction has 6837 states and 8469 transitions.
[2023-12-20 01:36:38,230 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 385.6) internal successors, (1928), 4 states have internal predecessors, (1928), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-20 01:36:38,230 INFO  L276                IsEmpty]: Start isEmpty. Operand 6837 states and 8469 transitions.
[2023-12-20 01:36:38,320 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1936
[2023-12-20 01:36:38,320 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:36:38,321 INFO  L195           NwaCegarLoop]: trace histogram [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, 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[2023-12-20 01:36:38,321 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-20 01:36:38,322 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:36:38,322 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:36:38,322 INFO  L85        PathProgramCache]: Analyzing trace with hash 333678467, now seen corresponding path program 1 times
[2023-12-20 01:36:38,322 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:36:38,322 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790141366]
[2023-12-20 01:36:38,323 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:36:38,323 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:36:48,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:36:51,636 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:36:51,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:36:51,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-20 01:36:51,650 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:36:51,650 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790141366]
[2023-12-20 01:36:51,650 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790141366] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:36:51,650 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:36:51,650 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:36:51,650 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355036199]
[2023-12-20 01:36:51,650 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:36:51,652 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:36:51,652 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:36:51,654 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:36:51,654 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:36:51,655 INFO  L87              Difference]: Start difference. First operand 6837 states and 8469 transitions. Second operand  has 6 states, 5 states have (on average 386.4) internal successors, (1932), 5 states have internal predecessors, (1932), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-20 01:36:56,011 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:37:00,044 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:37:04,078 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:37:08,110 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:37:08,765 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:37:08,765 INFO  L93              Difference]: Finished difference Result 6845 states and 8475 transitions.
[2023-12-20 01:37:08,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:37:08,767 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 386.4) internal successors, (1932), 5 states have internal predecessors, (1932), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 1935
[2023-12-20 01:37:08,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:37:08,792 INFO  L225             Difference]: With dead ends: 6845
[2023-12-20 01:37:08,792 INFO  L226             Difference]: Without dead ends: 6843
[2023-12-20 01:37:08,795 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:37:08,798 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 4016 mSDsluCounter, 20167 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4016 SdHoareTripleChecker+Valid, 26079 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time
[2023-12-20 01:37:08,799 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4016 Valid, 26079 Invalid, 366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time]
[2023-12-20 01:37:08,808 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6843 states.
[2023-12-20 01:37:08,952 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6843 to 6841.
[2023-12-20 01:37:08,960 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6841 states, 6180 states have (on average 1.1828478964401294) internal successors, (7310), 6218 states have internal predecessors, (7310), 578 states have call successors, (578), 82 states have call predecessors, (578), 82 states have return successors, (584), 561 states have call predecessors, (584), 576 states have call successors, (584)
[2023-12-20 01:37:08,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6841 states to 6841 states and 8472 transitions.
[2023-12-20 01:37:08,981 INFO  L78                 Accepts]: Start accepts. Automaton has 6841 states and 8472 transitions. Word has length 1935
[2023-12-20 01:37:08,983 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:37:08,983 INFO  L495      AbstractCegarLoop]: Abstraction has 6841 states and 8472 transitions.
[2023-12-20 01:37:08,983 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 386.4) internal successors, (1932), 5 states have internal predecessors, (1932), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-20 01:37:08,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 6841 states and 8472 transitions.
[2023-12-20 01:37:09,085 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1942
[2023-12-20 01:37:09,085 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:37:09,086 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:37:09,086 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-20 01:37:09,086 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:37:09,087 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:37:09,087 INFO  L85        PathProgramCache]: Analyzing trace with hash -1905810713, now seen corresponding path program 1 times
[2023-12-20 01:37:09,087 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:37:09,089 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561513930]
[2023-12-20 01:37:09,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:37:09,091 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:37:19,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:37:22,441 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:37:22,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:37:22,445 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:37:22,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:37:22,457 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-12-20 01:37:22,457 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:37:22,457 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561513930]
[2023-12-20 01:37:22,457 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561513930] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:37:22,457 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:37:22,457 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:37:22,458 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113262984]
[2023-12-20 01:37:22,458 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:37:22,459 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:37:22,460 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:37:22,461 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:37:22,461 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:37:22,462 INFO  L87              Difference]: Start difference. First operand 6841 states and 8472 transitions. Second operand  has 6 states, 5 states have (on average 386.6) internal successors, (1933), 5 states have internal predecessors, (1933), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-20 01:37:26,618 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:37:30,646 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:37:34,678 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:37:38,762 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:37:39,387 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:37:39,387 INFO  L93              Difference]: Finished difference Result 6849 states and 8478 transitions.
[2023-12-20 01:37:39,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:37:39,388 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 386.6) internal successors, (1933), 5 states have internal predecessors, (1933), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 1941
[2023-12-20 01:37:39,390 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:37:39,419 INFO  L225             Difference]: With dead ends: 6849
[2023-12-20 01:37:39,419 INFO  L226             Difference]: Without dead ends: 6847
[2023-12-20 01:37:39,424 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:37:39,425 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 4014 mSDsluCounter, 20167 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4014 SdHoareTripleChecker+Valid, 26079 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time
[2023-12-20 01:37:39,426 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4014 Valid, 26079 Invalid, 366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time]
[2023-12-20 01:37:39,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6847 states.
[2023-12-20 01:37:39,624 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6847 to 6845.
[2023-12-20 01:37:39,630 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6845 states, 6183 states have (on average 1.182759178392366) internal successors, (7313), 6221 states have internal predecessors, (7313), 578 states have call successors, (578), 83 states have call predecessors, (578), 83 states have return successors, (584), 561 states have call predecessors, (584), 576 states have call successors, (584)
[2023-12-20 01:37:39,649 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6845 states to 6845 states and 8475 transitions.
[2023-12-20 01:37:39,650 INFO  L78                 Accepts]: Start accepts. Automaton has 6845 states and 8475 transitions. Word has length 1941
[2023-12-20 01:37:39,651 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:37:39,652 INFO  L495      AbstractCegarLoop]: Abstraction has 6845 states and 8475 transitions.
[2023-12-20 01:37:39,652 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 386.6) internal successors, (1933), 5 states have internal predecessors, (1933), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-20 01:37:39,652 INFO  L276                IsEmpty]: Start isEmpty. Operand 6845 states and 8475 transitions.
[2023-12-20 01:37:39,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1948
[2023-12-20 01:37:39,689 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:37:39,690 INFO  L195           NwaCegarLoop]: trace histogram [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, 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[2023-12-20 01:37:39,690 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-20 01:37:39,691 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:37:39,691 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:37:39,691 INFO  L85        PathProgramCache]: Analyzing trace with hash 195128393, now seen corresponding path program 1 times
[2023-12-20 01:37:39,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:37:39,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849680949]
[2023-12-20 01:37:39,692 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:37:39,692 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:37:49,937 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:37:52,737 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:37:52,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:37:52,741 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:37:52,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:37:52,743 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:37:52,744 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:37:52,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-20 01:37:52,750 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:37:52,750 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849680949]
[2023-12-20 01:37:52,750 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849680949] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:37:52,750 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:37:52,750 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:37:52,750 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251423006]
[2023-12-20 01:37:52,751 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:37:52,752 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:37:52,752 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:37:52,757 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:37:52,757 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:37:52,758 INFO  L87              Difference]: Start difference. First operand 6845 states and 8475 transitions. Second operand  has 6 states, 5 states have (on average 386.8) internal successors, (1934), 5 states have internal predecessors, (1934), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-20 01:37:56,872 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:38:00,910 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:38:04,958 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:38:08,985 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:38:09,636 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:38:09,636 INFO  L93              Difference]: Finished difference Result 6853 states and 8481 transitions.
[2023-12-20 01:38:09,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:38:09,637 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 386.8) internal successors, (1934), 5 states have internal predecessors, (1934), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 1947
[2023-12-20 01:38:09,639 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:38:09,674 INFO  L225             Difference]: With dead ends: 6853
[2023-12-20 01:38:09,675 INFO  L226             Difference]: Without dead ends: 6851
[2023-12-20 01:38:09,680 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:38:09,680 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 4012 mSDsluCounter, 20167 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4012 SdHoareTripleChecker+Valid, 26079 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time
[2023-12-20 01:38:09,681 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4012 Valid, 26079 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time]
[2023-12-20 01:38:09,689 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6851 states.
[2023-12-20 01:38:09,829 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6851 to 6849.
[2023-12-20 01:38:09,836 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6849 states, 6186 states have (on average 1.1826705463950857) internal successors, (7316), 6224 states have internal predecessors, (7316), 578 states have call successors, (578), 84 states have call predecessors, (578), 84 states have return successors, (584), 561 states have call predecessors, (584), 576 states have call successors, (584)
[2023-12-20 01:38:09,857 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6849 states to 6849 states and 8478 transitions.
[2023-12-20 01:38:09,858 INFO  L78                 Accepts]: Start accepts. Automaton has 6849 states and 8478 transitions. Word has length 1947
[2023-12-20 01:38:09,860 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:38:09,860 INFO  L495      AbstractCegarLoop]: Abstraction has 6849 states and 8478 transitions.
[2023-12-20 01:38:09,860 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 386.8) internal successors, (1934), 5 states have internal predecessors, (1934), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-20 01:38:09,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 6849 states and 8478 transitions.
[2023-12-20 01:38:09,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1954
[2023-12-20 01:38:09,933 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:38:09,934 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:38:09,935 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-20 01:38:09,935 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:38:09,935 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:38:09,935 INFO  L85        PathProgramCache]: Analyzing trace with hash 38399273, now seen corresponding path program 1 times
[2023-12-20 01:38:09,935 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:38:09,936 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150528085]
[2023-12-20 01:38:09,936 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:38:09,936 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:38:19,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:22,437 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:38:22,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:22,485 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:38:22,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:22,489 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:38:22,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:22,493 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:38:22,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:22,500 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2023-12-20 01:38:22,500 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:38:22,500 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150528085]
[2023-12-20 01:38:22,500 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150528085] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:38:22,500 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:38:22,501 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:38:22,501 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597840240]
[2023-12-20 01:38:22,501 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:38:22,502 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:38:22,503 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:38:22,504 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:38:22,504 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:38:22,504 INFO  L87              Difference]: Start difference. First operand 6849 states and 8478 transitions. Second operand  has 6 states, 5 states have (on average 387.0) internal successors, (1935), 5 states have internal predecessors, (1935), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-12-20 01:38:26,623 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:38:30,645 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:38:34,849 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:38:38,874 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:38:39,623 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:38:39,623 INFO  L93              Difference]: Finished difference Result 6857 states and 8484 transitions.
[2023-12-20 01:38:39,624 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:38:39,624 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 387.0) internal successors, (1935), 5 states have internal predecessors, (1935), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 1953
[2023-12-20 01:38:39,627 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:38:39,657 INFO  L225             Difference]: With dead ends: 6857
[2023-12-20 01:38:39,657 INFO  L226             Difference]: Without dead ends: 6855
[2023-12-20 01:38:39,662 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:38:39,663 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 4010 mSDsluCounter, 20167 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4010 SdHoareTripleChecker+Valid, 26079 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time
[2023-12-20 01:38:39,663 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4010 Valid, 26079 Invalid, 366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time]
[2023-12-20 01:38:39,672 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6855 states.
[2023-12-20 01:38:39,787 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6855 to 6853.
[2023-12-20 01:38:39,792 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6853 states, 6189 states have (on average 1.182582000323154) internal successors, (7319), 6227 states have internal predecessors, (7319), 578 states have call successors, (578), 85 states have call predecessors, (578), 85 states have return successors, (584), 561 states have call predecessors, (584), 576 states have call successors, (584)
[2023-12-20 01:38:39,805 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6853 states to 6853 states and 8481 transitions.
[2023-12-20 01:38:39,805 INFO  L78                 Accepts]: Start accepts. Automaton has 6853 states and 8481 transitions. Word has length 1953
[2023-12-20 01:38:39,807 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:38:39,807 INFO  L495      AbstractCegarLoop]: Abstraction has 6853 states and 8481 transitions.
[2023-12-20 01:38:39,808 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 387.0) internal successors, (1935), 5 states have internal predecessors, (1935), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2023-12-20 01:38:39,808 INFO  L276                IsEmpty]: Start isEmpty. Operand 6853 states and 8481 transitions.
[2023-12-20 01:38:39,839 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1960
[2023-12-20 01:38:39,839 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:38:39,840 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:38:39,840 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-12-20 01:38:39,840 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:38:39,840 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:38:39,841 INFO  L85        PathProgramCache]: Analyzing trace with hash -980611321, now seen corresponding path program 1 times
[2023-12-20 01:38:39,841 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:38:39,841 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831825515]
[2023-12-20 01:38:39,841 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:38:39,841 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:38:50,272 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:52,846 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:38:52,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:52,850 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:38:52,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:52,855 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:38:52,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:52,858 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:38:52,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:52,862 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:38:52,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:38:52,872 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-12-20 01:38:52,872 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:38:52,873 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831825515]
[2023-12-20 01:38:52,873 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831825515] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:38:52,873 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:38:52,873 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:38:52,873 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206341548]
[2023-12-20 01:38:52,873 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:38:52,875 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:38:52,875 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:38:52,877 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:38:52,877 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:38:52,877 INFO  L87              Difference]: Start difference. First operand 6853 states and 8481 transitions. Second operand  has 6 states, 5 states have (on average 387.2) internal successors, (1936), 5 states have internal predecessors, (1936), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2023-12-20 01:38:57,070 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:39:01,114 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:39:05,136 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:39:09,278 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:39:09,843 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:39:09,844 INFO  L93              Difference]: Finished difference Result 6861 states and 8487 transitions.
[2023-12-20 01:39:09,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:39:09,845 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 387.2) internal successors, (1936), 5 states have internal predecessors, (1936), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 1959
[2023-12-20 01:39:09,847 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:39:09,877 INFO  L225             Difference]: With dead ends: 6861
[2023-12-20 01:39:09,878 INFO  L226             Difference]: Without dead ends: 6859
[2023-12-20 01:39:09,895 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:39:09,896 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 4008 mSDsluCounter, 20167 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4008 SdHoareTripleChecker+Valid, 26079 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time
[2023-12-20 01:39:09,896 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4008 Valid, 26079 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time]
[2023-12-20 01:39:09,902 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6859 states.
[2023-12-20 01:39:10,007 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6859 to 6857.
[2023-12-20 01:39:10,013 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6857 states, 6192 states have (on average 1.1824935400516796) internal successors, (7322), 6230 states have internal predecessors, (7322), 578 states have call successors, (578), 86 states have call predecessors, (578), 86 states have return successors, (584), 561 states have call predecessors, (584), 576 states have call successors, (584)
[2023-12-20 01:39:10,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6857 states to 6857 states and 8484 transitions.
[2023-12-20 01:39:10,028 INFO  L78                 Accepts]: Start accepts. Automaton has 6857 states and 8484 transitions. Word has length 1959
[2023-12-20 01:39:10,031 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:39:10,031 INFO  L495      AbstractCegarLoop]: Abstraction has 6857 states and 8484 transitions.
[2023-12-20 01:39:10,031 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 387.2) internal successors, (1936), 5 states have internal predecessors, (1936), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2023-12-20 01:39:10,031 INFO  L276                IsEmpty]: Start isEmpty. Operand 6857 states and 8484 transitions.
[2023-12-20 01:39:10,065 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1966
[2023-12-20 01:39:10,065 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:39:10,066 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:39:10,066 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-12-20 01:39:10,067 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:39:10,067 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:39:10,067 INFO  L85        PathProgramCache]: Analyzing trace with hash 1533123427, now seen corresponding path program 1 times
[2023-12-20 01:39:10,067 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:39:10,067 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645441962]
[2023-12-20 01:39:10,068 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:39:10,068 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:39:20,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:22,805 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:39:22,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:22,809 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:39:22,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:22,811 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:39:22,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:22,813 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:39:22,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:22,815 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:39:22,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:22,818 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:39:22,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:22,825 INFO  L134       CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2023-12-20 01:39:22,826 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:39:22,826 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645441962]
[2023-12-20 01:39:22,826 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645441962] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:39:22,826 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:39:22,826 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:39:22,826 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352026359]
[2023-12-20 01:39:22,826 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:39:22,828 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:39:22,828 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:39:22,829 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:39:22,829 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:39:22,830 INFO  L87              Difference]: Start difference. First operand 6857 states and 8484 transitions. Second operand  has 6 states, 5 states have (on average 387.4) internal successors, (1937), 5 states have internal predecessors, (1937), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2023-12-20 01:39:27,043 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:39:31,085 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:39:35,120 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:39:39,145 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:39:39,725 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:39:39,725 INFO  L93              Difference]: Finished difference Result 6865 states and 8490 transitions.
[2023-12-20 01:39:39,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:39:39,726 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 387.4) internal successors, (1937), 5 states have internal predecessors, (1937), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 1965
[2023-12-20 01:39:39,728 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:39:39,742 INFO  L225             Difference]: With dead ends: 6865
[2023-12-20 01:39:39,743 INFO  L226             Difference]: Without dead ends: 6863
[2023-12-20 01:39:39,745 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:39:39,746 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 4006 mSDsluCounter, 20167 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4006 SdHoareTripleChecker+Valid, 26079 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time
[2023-12-20 01:39:39,746 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4006 Valid, 26079 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 4 Unknown, 0 Unchecked, 16.6s Time]
[2023-12-20 01:39:39,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6863 states.
[2023-12-20 01:39:39,867 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6863 to 6861.
[2023-12-20 01:39:39,873 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6861 states, 6195 states have (on average 1.1824051654560128) internal successors, (7325), 6233 states have internal predecessors, (7325), 578 states have call successors, (578), 87 states have call predecessors, (578), 87 states have return successors, (584), 561 states have call predecessors, (584), 576 states have call successors, (584)
[2023-12-20 01:39:39,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6861 states to 6861 states and 8487 transitions.
[2023-12-20 01:39:39,884 INFO  L78                 Accepts]: Start accepts. Automaton has 6861 states and 8487 transitions. Word has length 1965
[2023-12-20 01:39:39,885 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:39:39,885 INFO  L495      AbstractCegarLoop]: Abstraction has 6861 states and 8487 transitions.
[2023-12-20 01:39:39,886 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 387.4) internal successors, (1937), 5 states have internal predecessors, (1937), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2023-12-20 01:39:39,886 INFO  L276                IsEmpty]: Start isEmpty. Operand 6861 states and 8487 transitions.
[2023-12-20 01:39:39,916 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1972
[2023-12-20 01:39:39,916 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:39:39,917 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:39:39,917 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-12-20 01:39:39,917 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:39:39,918 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:39:39,918 INFO  L85        PathProgramCache]: Analyzing trace with hash 820067261, now seen corresponding path program 1 times
[2023-12-20 01:39:39,918 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:39:39,918 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881848323]
[2023-12-20 01:39:39,918 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:39:39,918 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:39:49,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:52,010 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:39:52,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:52,014 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:39:52,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:52,016 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:39:52,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:52,018 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:39:52,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:52,020 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:39:52,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:52,022 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:39:52,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:52,023 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:39:52,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:39:52,030 INFO  L134       CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2023-12-20 01:39:52,030 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:39:52,030 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881848323]
[2023-12-20 01:39:52,030 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881848323] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:39:52,030 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:39:52,030 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:39:52,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185697225]
[2023-12-20 01:39:52,031 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:39:52,032 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:39:52,032 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:39:52,033 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:39:52,033 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:39:52,034 INFO  L87              Difference]: Start difference. First operand 6861 states and 8487 transitions. Second operand  has 6 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2023-12-20 01:39:56,148 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:40:00,183 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:40:04,409 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:40:08,446 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:40:09,209 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:40:09,209 INFO  L93              Difference]: Finished difference Result 6869 states and 8493 transitions.
[2023-12-20 01:40:09,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:40:09,210 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 1971
[2023-12-20 01:40:09,212 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:40:09,227 INFO  L225             Difference]: With dead ends: 6869
[2023-12-20 01:40:09,227 INFO  L226             Difference]: Without dead ends: 6867
[2023-12-20 01:40:09,230 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:40:09,232 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 4004 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4004 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time
[2023-12-20 01:40:09,232 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4004 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time]
[2023-12-20 01:40:09,239 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6867 states.
[2023-12-20 01:40:09,364 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6867 to 6865.
[2023-12-20 01:40:09,369 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6865 states, 6198 states have (on average 1.1823168764117458) internal successors, (7328), 6236 states have internal predecessors, (7328), 578 states have call successors, (578), 88 states have call predecessors, (578), 88 states have return successors, (584), 561 states have call predecessors, (584), 576 states have call successors, (584)
[2023-12-20 01:40:09,381 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 8490 transitions.
[2023-12-20 01:40:09,382 INFO  L78                 Accepts]: Start accepts. Automaton has 6865 states and 8490 transitions. Word has length 1971
[2023-12-20 01:40:09,383 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:40:09,383 INFO  L495      AbstractCegarLoop]: Abstraction has 6865 states and 8490 transitions.
[2023-12-20 01:40:09,383 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 387.6) internal successors, (1938), 5 states have internal predecessors, (1938), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2023-12-20 01:40:09,384 INFO  L276                IsEmpty]: Start isEmpty. Operand 6865 states and 8490 transitions.
[2023-12-20 01:40:09,415 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1978
[2023-12-20 01:40:09,415 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:40:09,416 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:40:09,416 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-12-20 01:40:09,416 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:40:09,416 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:40:09,417 INFO  L85        PathProgramCache]: Analyzing trace with hash 748714389, now seen corresponding path program 1 times
[2023-12-20 01:40:09,417 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:40:09,417 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839115536]
[2023-12-20 01:40:09,417 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:40:09,417 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:40:19,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:21,598 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:40:21,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:21,602 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:40:21,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:21,604 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:40:21,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:21,607 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:40:21,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:21,609 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:40:21,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:21,612 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:40:21,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:21,614 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:40:21,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:21,617 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:40:21,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:21,624 INFO  L134       CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2023-12-20 01:40:21,624 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:40:21,624 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839115536]
[2023-12-20 01:40:21,624 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839115536] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:40:21,624 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:40:21,624 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:40:21,624 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271129466]
[2023-12-20 01:40:21,624 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:40:21,626 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:40:21,626 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:40:21,627 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:40:21,627 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:40:21,628 INFO  L87              Difference]: Start difference. First operand 6865 states and 8490 transitions. Second operand  has 6 states, 5 states have (on average 387.8) internal successors, (1939), 5 states have internal predecessors, (1939), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2023-12-20 01:40:25,741 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:40:29,980 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:40:34,205 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:40:38,234 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:40:38,865 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:40:38,866 INFO  L93              Difference]: Finished difference Result 11080 states and 13575 transitions.
[2023-12-20 01:40:38,866 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:40:38,867 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 387.8) internal successors, (1939), 5 states have internal predecessors, (1939), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 1977
[2023-12-20 01:40:38,868 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:40:38,894 INFO  L225             Difference]: With dead ends: 11080
[2023-12-20 01:40:38,894 INFO  L226             Difference]: Without dead ends: 11078
[2023-12-20 01:40:38,898 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:40:38,898 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 4002 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4002 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time
[2023-12-20 01:40:38,898 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4002 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time]
[2023-12-20 01:40:38,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11078 states.
[2023-12-20 01:40:39,096 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11078 to 11076.
[2023-12-20 01:40:39,104 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11076 states, 9856 states have (on average 1.1618303571428572) internal successors, (11451), 9922 states have internal predecessors, (11451), 1047 states have call successors, (1047), 172 states have call predecessors, (1047), 172 states have return successors, (1073), 1018 states have call predecessors, (1073), 1043 states have call successors, (1073)
[2023-12-20 01:40:39,131 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 11076 states and 13571 transitions.
[2023-12-20 01:40:39,131 INFO  L78                 Accepts]: Start accepts. Automaton has 11076 states and 13571 transitions. Word has length 1977
[2023-12-20 01:40:39,132 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:40:39,132 INFO  L495      AbstractCegarLoop]: Abstraction has 11076 states and 13571 transitions.
[2023-12-20 01:40:39,133 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 387.8) internal successors, (1939), 5 states have internal predecessors, (1939), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8)
[2023-12-20 01:40:39,133 INFO  L276                IsEmpty]: Start isEmpty. Operand 11076 states and 13571 transitions.
[2023-12-20 01:40:39,172 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1984
[2023-12-20 01:40:39,173 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:40:39,174 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:40:39,174 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-12-20 01:40:39,174 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:40:39,174 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:40:39,175 INFO  L85        PathProgramCache]: Analyzing trace with hash -1626947989, now seen corresponding path program 1 times
[2023-12-20 01:40:39,175 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:40:39,175 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763113611]
[2023-12-20 01:40:39,175 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:40:39,175 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:40:48,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,500 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:40:51,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,504 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:40:51,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,506 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:40:51,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,510 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:40:51,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,514 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:40:51,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,518 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:40:51,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,520 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:40:51,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,522 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:40:51,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,525 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:40:51,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:40:51,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2023-12-20 01:40:51,533 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:40:51,533 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763113611]
[2023-12-20 01:40:51,533 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763113611] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:40:51,533 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:40:51,533 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:40:51,533 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556317324]
[2023-12-20 01:40:51,533 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:40:51,535 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:40:51,535 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:40:51,536 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:40:51,536 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:40:51,536 INFO  L87              Difference]: Start difference. First operand 11076 states and 13571 transitions. Second operand  has 6 states, 5 states have (on average 388.0) internal successors, (1940), 5 states have internal predecessors, (1940), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2023-12-20 01:40:55,655 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:40:59,893 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:41:04,116 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:41:08,391 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:41:09,135 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:41:09,135 INFO  L93              Difference]: Finished difference Result 11088 states and 13581 transitions.
[2023-12-20 01:41:09,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:41:09,136 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 388.0) internal successors, (1940), 5 states have internal predecessors, (1940), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 1983
[2023-12-20 01:41:09,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:41:09,230 INFO  L225             Difference]: With dead ends: 11088
[2023-12-20 01:41:09,231 INFO  L226             Difference]: Without dead ends: 11086
[2023-12-20 01:41:09,233 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:41:09,234 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 4000 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4000 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time
[2023-12-20 01:41:09,234 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4000 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time]
[2023-12-20 01:41:09,241 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11086 states.
[2023-12-20 01:41:09,485 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11086 to 11084.
[2023-12-20 01:41:09,493 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11084 states, 9862 states have (on average 1.1617319002230784) internal successors, (11457), 9928 states have internal predecessors, (11457), 1047 states have call successors, (1047), 174 states have call predecessors, (1047), 174 states have return successors, (1073), 1018 states have call predecessors, (1073), 1043 states have call successors, (1073)
[2023-12-20 01:41:09,515 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11084 states to 11084 states and 13577 transitions.
[2023-12-20 01:41:09,515 INFO  L78                 Accepts]: Start accepts. Automaton has 11084 states and 13577 transitions. Word has length 1983
[2023-12-20 01:41:09,516 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:41:09,516 INFO  L495      AbstractCegarLoop]: Abstraction has 11084 states and 13577 transitions.
[2023-12-20 01:41:09,517 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 388.0) internal successors, (1940), 5 states have internal predecessors, (1940), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)
[2023-12-20 01:41:09,517 INFO  L276                IsEmpty]: Start isEmpty. Operand 11084 states and 13577 transitions.
[2023-12-20 01:41:09,559 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1990
[2023-12-20 01:41:09,559 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:41:09,560 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:41:09,560 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-12-20 01:41:09,560 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:41:09,561 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:41:09,562 INFO  L85        PathProgramCache]: Analyzing trace with hash -1868147777, now seen corresponding path program 1 times
[2023-12-20 01:41:09,562 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:41:09,562 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518511461]
[2023-12-20 01:41:09,562 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:41:09,562 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:41:19,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,593 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:41:22,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,598 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:41:22,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,600 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:41:22,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,603 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:41:22,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,608 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:41:22,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,611 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:41:22,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,620 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:41:22,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,625 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:41:22,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,629 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:41:22,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,632 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:41:22,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:22,640 INFO  L134       CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2023-12-20 01:41:22,641 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:41:22,641 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518511461]
[2023-12-20 01:41:22,641 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518511461] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:41:22,641 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:41:22,641 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:41:22,641 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138525164]
[2023-12-20 01:41:22,641 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:41:22,643 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:41:22,643 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:41:22,644 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:41:22,644 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:41:22,644 INFO  L87              Difference]: Start difference. First operand 11084 states and 13577 transitions. Second operand  has 6 states, 5 states have (on average 388.2) internal successors, (1941), 5 states have internal predecessors, (1941), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-12-20 01:41:26,765 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:41:31,020 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:41:35,328 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:41:39,361 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:41:40,208 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:41:40,208 INFO  L93              Difference]: Finished difference Result 11096 states and 13587 transitions.
[2023-12-20 01:41:40,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:41:40,213 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 388.2) internal successors, (1941), 5 states have internal predecessors, (1941), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 1989
[2023-12-20 01:41:40,214 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:41:40,240 INFO  L225             Difference]: With dead ends: 11096
[2023-12-20 01:41:40,240 INFO  L226             Difference]: Without dead ends: 11094
[2023-12-20 01:41:40,245 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:41:40,245 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3998 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3998 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time
[2023-12-20 01:41:40,245 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3998 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time]
[2023-12-20 01:41:40,253 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11094 states.
[2023-12-20 01:41:40,502 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11094 to 11092.
[2023-12-20 01:41:40,510 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11092 states, 9868 states have (on average 1.1616335630320227) internal successors, (11463), 9934 states have internal predecessors, (11463), 1047 states have call successors, (1047), 176 states have call predecessors, (1047), 176 states have return successors, (1073), 1018 states have call predecessors, (1073), 1043 states have call successors, (1073)
[2023-12-20 01:41:40,533 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11092 states to 11092 states and 13583 transitions.
[2023-12-20 01:41:40,534 INFO  L78                 Accepts]: Start accepts. Automaton has 11092 states and 13583 transitions. Word has length 1989
[2023-12-20 01:41:40,535 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:41:40,535 INFO  L495      AbstractCegarLoop]: Abstraction has 11092 states and 13583 transitions.
[2023-12-20 01:41:40,535 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 388.2) internal successors, (1941), 5 states have internal predecessors, (1941), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2023-12-20 01:41:40,535 INFO  L276                IsEmpty]: Start isEmpty. Operand 11092 states and 13583 transitions.
[2023-12-20 01:41:40,589 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1996
[2023-12-20 01:41:40,589 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:41:40,590 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:41:40,590 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-12-20 01:41:40,590 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:41:40,590 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:41:40,591 INFO  L85        PathProgramCache]: Analyzing trace with hash -292265199, now seen corresponding path program 1 times
[2023-12-20 01:41:40,591 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:41:40,591 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890175176]
[2023-12-20 01:41:40,591 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:41:40,591 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:41:50,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,840 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:41:52,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,843 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:41:52,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,845 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:41:52,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,847 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:41:52,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,849 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:41:52,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,851 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:41:52,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,853 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:41:52,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,855 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:41:52,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,857 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:41:52,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,859 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:41:52,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,868 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:41:52,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:41:52,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 242 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2023-12-20 01:41:52,875 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:41:52,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890175176]
[2023-12-20 01:41:52,875 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890175176] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:41:52,875 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:41:52,875 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:41:52,875 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678974612]
[2023-12-20 01:41:52,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:41:52,877 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:41:52,877 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:41:52,878 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:41:52,878 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:41:52,879 INFO  L87              Difference]: Start difference. First operand 11092 states and 13583 transitions. Second operand  has 6 states, 5 states have (on average 388.4) internal successors, (1942), 5 states have internal predecessors, (1942), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2023-12-20 01:41:57,121 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:42:01,142 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:42:05,358 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:42:09,384 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:42:09,953 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:42:09,953 INFO  L93              Difference]: Finished difference Result 11104 states and 13593 transitions.
[2023-12-20 01:42:09,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:42:09,954 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 388.4) internal successors, (1942), 5 states have internal predecessors, (1942), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 1995
[2023-12-20 01:42:09,956 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:42:09,980 INFO  L225             Difference]: With dead ends: 11104
[2023-12-20 01:42:09,980 INFO  L226             Difference]: Without dead ends: 11102
[2023-12-20 01:42:09,985 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:42:09,985 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3996 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3996 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time
[2023-12-20 01:42:09,985 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3996 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time]
[2023-12-20 01:42:09,992 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11102 states.
[2023-12-20 01:42:10,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11102 to 11100.
[2023-12-20 01:42:10,226 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11100 states, 9874 states have (on average 1.1615353453514279) internal successors, (11469), 9940 states have internal predecessors, (11469), 1047 states have call successors, (1047), 178 states have call predecessors, (1047), 178 states have return successors, (1073), 1018 states have call predecessors, (1073), 1043 states have call successors, (1073)
[2023-12-20 01:42:10,245 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11100 states to 11100 states and 13589 transitions.
[2023-12-20 01:42:10,246 INFO  L78                 Accepts]: Start accepts. Automaton has 11100 states and 13589 transitions. Word has length 1995
[2023-12-20 01:42:10,247 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:42:10,247 INFO  L495      AbstractCegarLoop]: Abstraction has 11100 states and 13589 transitions.
[2023-12-20 01:42:10,247 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 388.4) internal successors, (1942), 5 states have internal predecessors, (1942), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)
[2023-12-20 01:42:10,247 INFO  L276                IsEmpty]: Start isEmpty. Operand 11100 states and 13589 transitions.
[2023-12-20 01:42:10,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2002
[2023-12-20 01:42:10,288 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:42:10,289 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:42:10,289 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-12-20 01:42:10,289 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:42:10,289 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:42:10,290 INFO  L85        PathProgramCache]: Analyzing trace with hash 348190177, now seen corresponding path program 1 times
[2023-12-20 01:42:10,290 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:42:10,290 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476661634]
[2023-12-20 01:42:10,290 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:42:10,290 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:42:20,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,492 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:42:22,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,496 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:42:22,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,501 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:42:22,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,505 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:42:22,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,508 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:42:22,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,510 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:42:22,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,514 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:42:22,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,517 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:42:22,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,519 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:42:22,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,523 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:42:22,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,536 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:42:22,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,540 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:42:22,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:22,560 INFO  L134       CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2023-12-20 01:42:22,560 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:42:22,560 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476661634]
[2023-12-20 01:42:22,561 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476661634] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:42:22,561 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:42:22,561 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:42:22,561 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609806765]
[2023-12-20 01:42:22,561 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:42:22,562 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:42:22,562 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:42:22,576 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:42:22,576 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:42:22,577 INFO  L87              Difference]: Start difference. First operand 11100 states and 13589 transitions. Second operand  has 6 states, 5 states have (on average 388.6) internal successors, (1943), 5 states have internal predecessors, (1943), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-12-20 01:42:26,697 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:42:31,056 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:42:35,084 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:42:39,346 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:42:40,123 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:42:40,123 INFO  L93              Difference]: Finished difference Result 11112 states and 13599 transitions.
[2023-12-20 01:42:40,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:42:40,124 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 388.6) internal successors, (1943), 5 states have internal predecessors, (1943), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 2001
[2023-12-20 01:42:40,126 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:42:40,155 INFO  L225             Difference]: With dead ends: 11112
[2023-12-20 01:42:40,156 INFO  L226             Difference]: Without dead ends: 11110
[2023-12-20 01:42:40,162 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:42:40,163 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3994 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3994 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time
[2023-12-20 01:42:40,163 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3994 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time]
[2023-12-20 01:42:40,173 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11110 states.
[2023-12-20 01:42:40,422 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11110 to 11108.
[2023-12-20 01:42:40,431 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11108 states, 9880 states have (on average 1.1614372469635628) internal successors, (11475), 9946 states have internal predecessors, (11475), 1047 states have call successors, (1047), 180 states have call predecessors, (1047), 180 states have return successors, (1073), 1018 states have call predecessors, (1073), 1043 states have call successors, (1073)
[2023-12-20 01:42:40,454 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 11108 states and 13595 transitions.
[2023-12-20 01:42:40,455 INFO  L78                 Accepts]: Start accepts. Automaton has 11108 states and 13595 transitions. Word has length 2001
[2023-12-20 01:42:40,456 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:42:40,456 INFO  L495      AbstractCegarLoop]: Abstraction has 11108 states and 13595 transitions.
[2023-12-20 01:42:40,457 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 388.6) internal successors, (1943), 5 states have internal predecessors, (1943), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-12-20 01:42:40,457 INFO  L276                IsEmpty]: Start isEmpty. Operand 11108 states and 13595 transitions.
[2023-12-20 01:42:40,499 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2008
[2023-12-20 01:42:40,499 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:42:40,500 INFO  L195           NwaCegarLoop]: trace histogram [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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:42:40,500 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-12-20 01:42:40,500 INFO  L420      AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:42:40,501 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:42:40,501 INFO  L85        PathProgramCache]: Analyzing trace with hash 911144367, now seen corresponding path program 1 times
[2023-12-20 01:42:40,501 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:42:40,501 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466289887]
[2023-12-20 01:42:40,501 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:42:40,501 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:42:50,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,255 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:42:53,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,259 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:42:53,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,261 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:42:53,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,263 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:42:53,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,264 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:42:53,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,266 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:42:53,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,268 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:42:53,269 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,270 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:42:53,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,272 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:42:53,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,274 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:42:53,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,275 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:42:53,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,277 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:42:53,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,279 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:42:53,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:42:53,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2023-12-20 01:42:53,287 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:42:53,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466289887]
[2023-12-20 01:42:53,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466289887] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:42:53,287 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:42:53,287 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:42:53,287 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096250583]
[2023-12-20 01:42:53,287 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:42:53,289 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:42:53,289 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:42:53,290 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:42:53,290 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:42:53,290 INFO  L87              Difference]: Start difference. First operand 11108 states and 13595 transitions. Second operand  has 6 states, 5 states have (on average 388.8) internal successors, (1944), 5 states have internal predecessors, (1944), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2023-12-20 01:42:57,406 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:43:01,438 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:43:05,479 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:43:09,727 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:43:10,425 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:43:10,425 INFO  L93              Difference]: Finished difference Result 11120 states and 13605 transitions.
[2023-12-20 01:43:10,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:43:10,426 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 388.8) internal successors, (1944), 5 states have internal predecessors, (1944), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 2007
[2023-12-20 01:43:10,427 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:43:10,448 INFO  L225             Difference]: With dead ends: 11120
[2023-12-20 01:43:10,448 INFO  L226             Difference]: Without dead ends: 11118
[2023-12-20 01:43:10,452 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:43:10,452 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3992 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3992 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time
[2023-12-20 01:43:10,453 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3992 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time]
[2023-12-20 01:43:10,459 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11118 states.
[2023-12-20 01:43:10,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11118 to 11116.
[2023-12-20 01:43:10,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11116 states, 9886 states have (on average 1.161339267651224) internal successors, (11481), 9952 states have internal predecessors, (11481), 1047 states have call successors, (1047), 182 states have call predecessors, (1047), 182 states have return successors, (1073), 1018 states have call predecessors, (1073), 1043 states have call successors, (1073)
[2023-12-20 01:43:10,775 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11116 states to 11116 states and 13601 transitions.
[2023-12-20 01:43:10,776 INFO  L78                 Accepts]: Start accepts. Automaton has 11116 states and 13601 transitions. Word has length 2007
[2023-12-20 01:43:10,777 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:43:10,777 INFO  L495      AbstractCegarLoop]: Abstraction has 11116 states and 13601 transitions.
[2023-12-20 01:43:10,777 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 388.8) internal successors, (1944), 5 states have internal predecessors, (1944), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2023-12-20 01:43:10,777 INFO  L276                IsEmpty]: Start isEmpty. Operand 11116 states and 13601 transitions.
[2023-12-20 01:43:10,816 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2014
[2023-12-20 01:43:10,816 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:43:10,817 INFO  L195           NwaCegarLoop]: trace histogram [15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:43:10,817 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2023-12-20 01:43:10,817 INFO  L420      AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:43:10,818 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:43:10,818 INFO  L85        PathProgramCache]: Analyzing trace with hash 602680315, now seen corresponding path program 1 times
[2023-12-20 01:43:10,818 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:43:10,818 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737381627]
[2023-12-20 01:43:10,818 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:43:10,818 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:43:20,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,047 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:43:23,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,050 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:43:23,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,053 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:43:23,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,055 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:43:23,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,056 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:43:23,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,058 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:43:23,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,060 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:43:23,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,062 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:43:23,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,063 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:43:23,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,065 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:43:23,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,067 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:43:23,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,069 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:43:23,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,071 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:43:23,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,073 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:43:23,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:23,079 INFO  L134       CoverageAnalysis]: Checked inductivity of 392 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2023-12-20 01:43:23,079 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:43:23,079 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737381627]
[2023-12-20 01:43:23,079 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737381627] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:43:23,079 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:43:23,080 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:43:23,080 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501599908]
[2023-12-20 01:43:23,080 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:43:23,081 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:43:23,081 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:43:23,082 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:43:23,083 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:43:23,083 INFO  L87              Difference]: Start difference. First operand 11116 states and 13601 transitions. Second operand  has 6 states, 5 states have (on average 389.0) internal successors, (1945), 5 states have internal predecessors, (1945), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2023-12-20 01:43:27,207 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:43:31,236 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:43:35,444 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:43:39,461 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:43:40,343 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:43:40,343 INFO  L93              Difference]: Finished difference Result 11128 states and 13611 transitions.
[2023-12-20 01:43:40,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:43:40,344 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 389.0) internal successors, (1945), 5 states have internal predecessors, (1945), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 2013
[2023-12-20 01:43:40,345 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:43:40,366 INFO  L225             Difference]: With dead ends: 11128
[2023-12-20 01:43:40,366 INFO  L226             Difference]: Without dead ends: 11126
[2023-12-20 01:43:40,371 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:43:40,372 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3990 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3990 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time
[2023-12-20 01:43:40,372 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3990 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 17.0s Time]
[2023-12-20 01:43:40,379 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11126 states.
[2023-12-20 01:43:40,614 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11126 to 11124.
[2023-12-20 01:43:40,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11124 states, 9892 states have (on average 1.1612414071977355) internal successors, (11487), 9958 states have internal predecessors, (11487), 1047 states have call successors, (1047), 184 states have call predecessors, (1047), 184 states have return successors, (1073), 1018 states have call predecessors, (1073), 1043 states have call successors, (1073)
[2023-12-20 01:43:40,641 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11124 states to 11124 states and 13607 transitions.
[2023-12-20 01:43:40,641 INFO  L78                 Accepts]: Start accepts. Automaton has 11124 states and 13607 transitions. Word has length 2013
[2023-12-20 01:43:40,642 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:43:40,643 INFO  L495      AbstractCegarLoop]: Abstraction has 11124 states and 13607 transitions.
[2023-12-20 01:43:40,643 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 389.0) internal successors, (1945), 5 states have internal predecessors, (1945), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2023-12-20 01:43:40,643 INFO  L276                IsEmpty]: Start isEmpty. Operand 11124 states and 13607 transitions.
[2023-12-20 01:43:40,782 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2020
[2023-12-20 01:43:40,783 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:43:40,783 INFO  L195           NwaCegarLoop]: trace histogram [16, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:43:40,784 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2023-12-20 01:43:40,784 INFO  L420      AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:43:40,785 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:43:40,785 INFO  L85        PathProgramCache]: Analyzing trace with hash -265731515, now seen corresponding path program 1 times
[2023-12-20 01:43:40,785 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:43:40,785 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592115019]
[2023-12-20 01:43:40,786 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:43:40,786 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:43:55,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,393 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:43:58,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,396 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:43:58,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,398 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:43:58,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,400 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:43:58,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,402 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:43:58,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,404 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:43:58,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,406 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:43:58,407 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,408 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:43:58,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,410 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:43:58,412 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,413 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:43:58,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,415 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:43:58,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,418 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:43:58,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,420 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:43:58,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,423 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:43:58,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,426 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2009
[2023-12-20 01:43:58,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:43:58,432 INFO  L134       CoverageAnalysis]: Checked inductivity of 450 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-12-20 01:43:58,432 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:43:58,432 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592115019]
[2023-12-20 01:43:58,432 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592115019] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:43:58,432 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:43:58,432 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:43:58,433 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422799230]
[2023-12-20 01:43:58,433 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:43:58,434 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:43:58,434 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:43:58,436 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:43:58,436 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:43:58,436 INFO  L87              Difference]: Start difference. First operand 11124 states and 13607 transitions. Second operand  has 6 states, 5 states have (on average 389.2) internal successors, (1946), 5 states have internal predecessors, (1946), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-12-20 01:44:02,609 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:44:06,893 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:44:11,071 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:44:15,099 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:44:15,730 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:44:15,730 INFO  L93              Difference]: Finished difference Result 11136 states and 13617 transitions.
[2023-12-20 01:44:15,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:44:15,731 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 389.2) internal successors, (1946), 5 states have internal predecessors, (1946), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 2019
[2023-12-20 01:44:15,732 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:44:15,756 INFO  L225             Difference]: With dead ends: 11136
[2023-12-20 01:44:15,756 INFO  L226             Difference]: Without dead ends: 11134
[2023-12-20 01:44:15,762 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:44:15,763 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3988 mSDsluCounter, 20165 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3988 SdHoareTripleChecker+Valid, 26077 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time
[2023-12-20 01:44:15,763 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3988 Valid, 26077 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 361 Invalid, 4 Unknown, 0 Unchecked, 17.0s Time]
[2023-12-20 01:44:15,771 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11134 states.
[2023-12-20 01:44:16,029 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11134 to 11132.
[2023-12-20 01:44:16,038 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11132 states, 9898 states have (on average 1.161143665386947) internal successors, (11493), 9964 states have internal predecessors, (11493), 1047 states have call successors, (1047), 186 states have call predecessors, (1047), 186 states have return successors, (1073), 1018 states have call predecessors, (1073), 1043 states have call successors, (1073)
[2023-12-20 01:44:16,059 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11132 states to 11132 states and 13613 transitions.
[2023-12-20 01:44:16,060 INFO  L78                 Accepts]: Start accepts. Automaton has 11132 states and 13613 transitions. Word has length 2019
[2023-12-20 01:44:16,061 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:44:16,061 INFO  L495      AbstractCegarLoop]: Abstraction has 11132 states and 13613 transitions.
[2023-12-20 01:44:16,061 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 389.2) internal successors, (1946), 5 states have internal predecessors, (1946), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-12-20 01:44:16,061 INFO  L276                IsEmpty]: Start isEmpty. Operand 11132 states and 13613 transitions.
[2023-12-20 01:44:16,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2026
[2023-12-20 01:44:16,103 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:44:16,104 INFO  L195           NwaCegarLoop]: trace histogram [17, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:44:16,104 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2023-12-20 01:44:16,104 INFO  L420      AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:44:16,105 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:44:16,105 INFO  L85        PathProgramCache]: Analyzing trace with hash -237911539, now seen corresponding path program 1 times
[2023-12-20 01:44:16,105 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:44:16,105 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648687607]
[2023-12-20 01:44:16,106 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:44:16,106 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:44:30,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,709 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:44:32,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,712 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:44:32,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,714 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:44:32,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,715 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:44:32,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,717 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:44:32,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,719 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:44:32,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,721 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:44:32,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,723 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:44:32,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,725 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:44:32,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,727 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:44:32,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,729 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:44:32,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,731 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:44:32,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,734 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:44:32,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,737 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:44:32,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,740 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2009
[2023-12-20 01:44:32,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,743 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2015
[2023-12-20 01:44:32,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:44:32,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 512 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2023-12-20 01:44:32,751 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:44:32,751 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648687607]
[2023-12-20 01:44:32,751 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648687607] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:44:32,751 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:44:32,751 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:44:32,751 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115541535]
[2023-12-20 01:44:32,751 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:44:32,753 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:44:32,753 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:44:32,754 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:44:32,754 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:44:32,755 INFO  L87              Difference]: Start difference. First operand 11132 states and 13613 transitions. Second operand  has 6 states, 5 states have (on average 389.4) internal successors, (1947), 5 states have internal predecessors, (1947), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-12-20 01:44:36,870 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:44:40,930 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:44:44,958 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:44:49,184 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:44:50,129 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:44:50,129 INFO  L93              Difference]: Finished difference Result 19612 states and 23825 transitions.
[2023-12-20 01:44:50,130 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:44:50,130 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 389.4) internal successors, (1947), 5 states have internal predecessors, (1947), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 2025
[2023-12-20 01:44:50,133 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:44:50,187 INFO  L225             Difference]: With dead ends: 19612
[2023-12-20 01:44:50,187 INFO  L226             Difference]: Without dead ends: 19610
[2023-12-20 01:44:50,200 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:44:50,201 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3986 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3986 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time
[2023-12-20 01:44:50,204 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3986 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time]
[2023-12-20 01:44:50,220 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19610 states.
[2023-12-20 01:44:50,736 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19610 to 19608.
[2023-12-20 01:44:50,752 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19608 states, 17254 states have (on average 1.1462269618639156) internal successors, (19777), 17376 states have internal predecessors, (19777), 1983 states have call successors, (1983), 370 states have call predecessors, (1983), 370 states have return successors, (2059), 1930 states have call predecessors, (2059), 1975 states have call successors, (2059)
[2023-12-20 01:44:50,795 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19608 states to 19608 states and 23819 transitions.
[2023-12-20 01:44:50,796 INFO  L78                 Accepts]: Start accepts. Automaton has 19608 states and 23819 transitions. Word has length 2025
[2023-12-20 01:44:50,797 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:44:50,797 INFO  L495      AbstractCegarLoop]: Abstraction has 19608 states and 23819 transitions.
[2023-12-20 01:44:50,797 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 389.4) internal successors, (1947), 5 states have internal predecessors, (1947), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2023-12-20 01:44:50,797 INFO  L276                IsEmpty]: Start isEmpty. Operand 19608 states and 23819 transitions.
[2023-12-20 01:44:50,864 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2032
[2023-12-20 01:44:50,864 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:44:50,865 INFO  L195           NwaCegarLoop]: trace histogram [18, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:44:50,865 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2023-12-20 01:44:50,865 INFO  L420      AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:44:50,866 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:44:50,866 INFO  L85        PathProgramCache]: Analyzing trace with hash -1539042093, now seen corresponding path program 1 times
[2023-12-20 01:44:50,866 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:44:50,866 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467019401]
[2023-12-20 01:44:50,866 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:44:50,867 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:45:06,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,395 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:45:09,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,398 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:45:09,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,400 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:45:09,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,402 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:45:09,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,404 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:45:09,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,405 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:45:09,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,407 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:45:09,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,409 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:45:09,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,411 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:45:09,412 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,413 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:45:09,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,415 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:45:09,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,417 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:45:09,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,419 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:45:09,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,421 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:45:09,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,423 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2009
[2023-12-20 01:45:09,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,425 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2015
[2023-12-20 01:45:09,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,427 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021
[2023-12-20 01:45:09,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:09,434 INFO  L134       CoverageAnalysis]: Checked inductivity of 578 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2023-12-20 01:45:09,434 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:45:09,434 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467019401]
[2023-12-20 01:45:09,434 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467019401] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:45:09,434 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:45:09,434 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:45:09,434 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539056763]
[2023-12-20 01:45:09,434 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:45:09,436 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:45:09,436 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:45:09,437 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:45:09,437 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:45:09,438 INFO  L87              Difference]: Start difference. First operand 19608 states and 23819 transitions. Second operand  has 6 states, 5 states have (on average 389.6) internal successors, (1948), 5 states have internal predecessors, (1948), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-12-20 01:45:13,571 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:45:17,799 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:45:21,828 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:45:26,051 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:45:27,259 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:45:27,259 INFO  L93              Difference]: Finished difference Result 19628 states and 23837 transitions.
[2023-12-20 01:45:27,260 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:45:27,260 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 389.6) internal successors, (1948), 5 states have internal predecessors, (1948), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 2031
[2023-12-20 01:45:27,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:45:27,318 INFO  L225             Difference]: With dead ends: 19628
[2023-12-20 01:45:27,318 INFO  L226             Difference]: Without dead ends: 19626
[2023-12-20 01:45:27,328 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:45:27,329 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3984 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3984 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time
[2023-12-20 01:45:27,330 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3984 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time]
[2023-12-20 01:45:27,342 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19626 states.
[2023-12-20 01:45:28,308 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19626 to 19624.
[2023-12-20 01:45:28,325 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19624 states, 17266 states have (on average 1.1461253330244412) internal successors, (19789), 17388 states have internal predecessors, (19789), 1983 states have call successors, (1983), 374 states have call predecessors, (1983), 374 states have return successors, (2059), 1930 states have call predecessors, (2059), 1975 states have call successors, (2059)
[2023-12-20 01:45:28,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19624 states to 19624 states and 23831 transitions.
[2023-12-20 01:45:28,373 INFO  L78                 Accepts]: Start accepts. Automaton has 19624 states and 23831 transitions. Word has length 2031
[2023-12-20 01:45:28,374 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:45:28,374 INFO  L495      AbstractCegarLoop]: Abstraction has 19624 states and 23831 transitions.
[2023-12-20 01:45:28,374 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 389.6) internal successors, (1948), 5 states have internal predecessors, (1948), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)
[2023-12-20 01:45:28,374 INFO  L276                IsEmpty]: Start isEmpty. Operand 19624 states and 23831 transitions.
[2023-12-20 01:45:28,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2038
[2023-12-20 01:45:28,446 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:45:28,447 INFO  L195           NwaCegarLoop]: trace histogram [19, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:45:28,447 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2023-12-20 01:45:28,447 INFO  L420      AbstractCegarLoop]: === Iteration 20 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:45:28,448 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:45:28,448 INFO  L85        PathProgramCache]: Analyzing trace with hash -439778281, now seen corresponding path program 1 times
[2023-12-20 01:45:28,448 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:45:28,448 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161046002]
[2023-12-20 01:45:28,448 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:45:28,449 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:45:43,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,185 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:45:46,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,188 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:45:46,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,190 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:45:46,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,192 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:45:46,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,194 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:45:46,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,195 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:45:46,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,197 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:45:46,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,199 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:45:46,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,207 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:45:46,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,210 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:45:46,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,212 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:45:46,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,214 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:45:46,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,216 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:45:46,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,218 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:45:46,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,220 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2009
[2023-12-20 01:45:46,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,222 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2015
[2023-12-20 01:45:46,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,223 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021
[2023-12-20 01:45:46,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,226 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2027
[2023-12-20 01:45:46,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:45:46,232 INFO  L134       CoverageAnalysis]: Checked inductivity of 648 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2023-12-20 01:45:46,232 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:45:46,232 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161046002]
[2023-12-20 01:45:46,232 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161046002] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:45:46,232 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:45:46,232 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:45:46,233 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089037386]
[2023-12-20 01:45:46,233 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:45:46,234 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:45:46,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:45:46,235 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:45:46,236 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:45:46,236 INFO  L87              Difference]: Start difference. First operand 19624 states and 23831 transitions. Second operand  has 6 states, 5 states have (on average 389.8) internal successors, (1949), 5 states have internal predecessors, (1949), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2023-12-20 01:45:50,352 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:45:54,384 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:45:58,582 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:46:02,604 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:46:03,645 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:46:03,645 INFO  L93              Difference]: Finished difference Result 19644 states and 23849 transitions.
[2023-12-20 01:46:03,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:46:03,646 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 389.8) internal successors, (1949), 5 states have internal predecessors, (1949), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 2037
[2023-12-20 01:46:03,647 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:46:03,695 INFO  L225             Difference]: With dead ends: 19644
[2023-12-20 01:46:03,695 INFO  L226             Difference]: Without dead ends: 19642
[2023-12-20 01:46:03,706 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:46:03,707 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3982 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3982 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time
[2023-12-20 01:46:03,707 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3982 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time]
[2023-12-20 01:46:03,722 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19642 states.
[2023-12-20 01:46:04,231 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19642 to 19640.
[2023-12-20 01:46:04,247 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19640 states, 17278 states have (on average 1.1460238453524714) internal successors, (19801), 17400 states have internal predecessors, (19801), 1983 states have call successors, (1983), 378 states have call predecessors, (1983), 378 states have return successors, (2059), 1930 states have call predecessors, (2059), 1975 states have call successors, (2059)
[2023-12-20 01:46:04,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19640 states to 19640 states and 23843 transitions.
[2023-12-20 01:46:04,288 INFO  L78                 Accepts]: Start accepts. Automaton has 19640 states and 23843 transitions. Word has length 2037
[2023-12-20 01:46:04,289 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:46:04,290 INFO  L495      AbstractCegarLoop]: Abstraction has 19640 states and 23843 transitions.
[2023-12-20 01:46:04,290 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 389.8) internal successors, (1949), 5 states have internal predecessors, (1949), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2023-12-20 01:46:04,290 INFO  L276                IsEmpty]: Start isEmpty. Operand 19640 states and 23843 transitions.
[2023-12-20 01:46:04,360 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2044
[2023-12-20 01:46:04,360 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:46:04,361 INFO  L195           NwaCegarLoop]: trace histogram [20, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:46:04,361 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2023-12-20 01:46:04,361 INFO  L420      AbstractCegarLoop]: === Iteration 21 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:46:04,362 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:46:04,362 INFO  L85        PathProgramCache]: Analyzing trace with hash 334379353, now seen corresponding path program 1 times
[2023-12-20 01:46:04,362 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:46:04,362 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847965020]
[2023-12-20 01:46:04,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:46:04,363 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:46:20,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,682 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:46:22,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,685 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:46:22,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,687 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:46:22,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,688 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:46:22,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,690 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:46:22,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,692 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:46:22,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,693 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:46:22,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,696 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:46:22,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,704 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:46:22,705 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,706 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:46:22,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,708 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:46:22,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,710 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:46:22,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,711 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:46:22,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,713 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:46:22,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,715 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2009
[2023-12-20 01:46:22,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,718 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2015
[2023-12-20 01:46:22,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,720 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021
[2023-12-20 01:46:22,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,722 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2027
[2023-12-20 01:46:22,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,725 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2033
[2023-12-20 01:46:22,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:22,731 INFO  L134       CoverageAnalysis]: Checked inductivity of 722 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked.
[2023-12-20 01:46:22,731 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:46:22,732 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847965020]
[2023-12-20 01:46:22,732 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847965020] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:46:22,732 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:46:22,732 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:46:22,732 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444157542]
[2023-12-20 01:46:22,732 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:46:22,733 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:46:22,733 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:46:22,735 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:46:22,735 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:46:22,735 INFO  L87              Difference]: Start difference. First operand 19640 states and 23843 transitions. Second operand  has 6 states, 5 states have (on average 390.0) internal successors, (1950), 5 states have internal predecessors, (1950), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19)
[2023-12-20 01:46:26,853 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:46:31,109 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:46:35,359 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:46:39,419 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:46:40,633 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:46:40,634 INFO  L93              Difference]: Finished difference Result 19660 states and 23861 transitions.
[2023-12-20 01:46:40,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:46:40,634 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 390.0) internal successors, (1950), 5 states have internal predecessors, (1950), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 2043
[2023-12-20 01:46:40,636 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:46:40,681 INFO  L225             Difference]: With dead ends: 19660
[2023-12-20 01:46:40,681 INFO  L226             Difference]: Without dead ends: 19658
[2023-12-20 01:46:40,691 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:46:40,693 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3980 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3980 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time
[2023-12-20 01:46:40,694 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3980 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time]
[2023-12-20 01:46:40,708 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19658 states.
[2023-12-20 01:46:41,241 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19658 to 19656.
[2023-12-20 01:46:41,255 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19656 states, 17290 states have (on average 1.1459224985540775) internal successors, (19813), 17412 states have internal predecessors, (19813), 1983 states have call successors, (1983), 382 states have call predecessors, (1983), 382 states have return successors, (2059), 1930 states have call predecessors, (2059), 1975 states have call successors, (2059)
[2023-12-20 01:46:41,295 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19656 states to 19656 states and 23855 transitions.
[2023-12-20 01:46:41,296 INFO  L78                 Accepts]: Start accepts. Automaton has 19656 states and 23855 transitions. Word has length 2043
[2023-12-20 01:46:41,297 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:46:41,297 INFO  L495      AbstractCegarLoop]: Abstraction has 19656 states and 23855 transitions.
[2023-12-20 01:46:41,298 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 390.0) internal successors, (1950), 5 states have internal predecessors, (1950), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19)
[2023-12-20 01:46:41,298 INFO  L276                IsEmpty]: Start isEmpty. Operand 19656 states and 23855 transitions.
[2023-12-20 01:46:41,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2050
[2023-12-20 01:46:41,369 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:46:41,370 INFO  L195           NwaCegarLoop]: trace histogram [21, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:46:41,370 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2023-12-20 01:46:41,370 INFO  L420      AbstractCegarLoop]: === Iteration 22 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:46:41,370 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:46:41,370 INFO  L85        PathProgramCache]: Analyzing trace with hash -2049360359, now seen corresponding path program 1 times
[2023-12-20 01:46:41,371 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:46:41,371 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401483863]
[2023-12-20 01:46:41,371 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:46:41,371 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:46:57,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,950 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:46:59,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,953 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:46:59,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,954 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:46:59,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,956 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:46:59,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,958 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:46:59,959 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,959 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:46:59,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,961 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:46:59,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,963 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:46:59,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,970 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:46:59,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,973 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:46:59,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,974 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:46:59,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,976 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:46:59,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,978 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:46:59,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,980 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:46:59,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,981 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2009
[2023-12-20 01:46:59,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,983 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2015
[2023-12-20 01:46:59,984 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,985 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021
[2023-12-20 01:46:59,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,987 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2027
[2023-12-20 01:46:59,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,989 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2033
[2023-12-20 01:46:59,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,991 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039
[2023-12-20 01:46:59,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:46:59,997 INFO  L134       CoverageAnalysis]: Checked inductivity of 800 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-12-20 01:46:59,997 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:46:59,997 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401483863]
[2023-12-20 01:46:59,997 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401483863] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:46:59,997 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:46:59,997 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:46:59,997 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003792343]
[2023-12-20 01:46:59,997 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:46:59,999 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:46:59,999 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:47:00,000 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:47:00,000 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:47:00,000 INFO  L87              Difference]: Start difference. First operand 19656 states and 23855 transitions. Second operand  has 6 states, 5 states have (on average 390.2) internal successors, (1951), 5 states have internal predecessors, (1951), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-12-20 01:47:04,126 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:47:08,296 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:47:12,314 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:47:16,345 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:47:17,312 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:47:17,313 INFO  L93              Difference]: Finished difference Result 19676 states and 23873 transitions.
[2023-12-20 01:47:17,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:47:17,314 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 390.2) internal successors, (1951), 5 states have internal predecessors, (1951), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 2049
[2023-12-20 01:47:17,316 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:47:17,360 INFO  L225             Difference]: With dead ends: 19676
[2023-12-20 01:47:17,360 INFO  L226             Difference]: Without dead ends: 19674
[2023-12-20 01:47:17,398 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:47:17,412 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3978 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3978 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time
[2023-12-20 01:47:17,413 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3978 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 16.8s Time]
[2023-12-20 01:47:17,424 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19674 states.
[2023-12-20 01:47:17,961 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19674 to 19672.
[2023-12-20 01:47:17,975 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19672 states, 17302 states have (on average 1.1458212923361462) internal successors, (19825), 17424 states have internal predecessors, (19825), 1983 states have call successors, (1983), 386 states have call predecessors, (1983), 386 states have return successors, (2059), 1930 states have call predecessors, (2059), 1975 states have call successors, (2059)
[2023-12-20 01:47:18,014 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19672 states to 19672 states and 23867 transitions.
[2023-12-20 01:47:18,015 INFO  L78                 Accepts]: Start accepts. Automaton has 19672 states and 23867 transitions. Word has length 2049
[2023-12-20 01:47:18,016 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:47:18,016 INFO  L495      AbstractCegarLoop]: Abstraction has 19672 states and 23867 transitions.
[2023-12-20 01:47:18,016 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 390.2) internal successors, (1951), 5 states have internal predecessors, (1951), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2023-12-20 01:47:18,016 INFO  L276                IsEmpty]: Start isEmpty. Operand 19672 states and 23867 transitions.
[2023-12-20 01:47:18,079 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2056
[2023-12-20 01:47:18,080 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:47:18,080 INFO  L195           NwaCegarLoop]: trace histogram [22, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:47:18,081 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2023-12-20 01:47:18,081 INFO  L420      AbstractCegarLoop]: === Iteration 23 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:47:18,081 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:47:18,081 INFO  L85        PathProgramCache]: Analyzing trace with hash -458982441, now seen corresponding path program 1 times
[2023-12-20 01:47:18,081 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:47:18,081 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139435988]
[2023-12-20 01:47:18,082 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:47:18,082 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:47:34,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,661 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:47:37,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,665 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:47:37,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,672 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:47:37,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,674 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:47:37,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,677 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:47:37,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,688 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:47:37,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,691 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:47:37,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,693 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:47:37,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,695 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:47:37,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,697 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:47:37,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,699 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:47:37,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,707 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:47:37,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,710 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:47:37,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,712 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:47:37,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,714 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2009
[2023-12-20 01:47:37,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,716 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2015
[2023-12-20 01:47:37,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,719 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021
[2023-12-20 01:47:37,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,728 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2027
[2023-12-20 01:47:37,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,731 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2033
[2023-12-20 01:47:37,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,734 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039
[2023-12-20 01:47:37,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,736 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2045
[2023-12-20 01:47:37,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:47:37,745 INFO  L134       CoverageAnalysis]: Checked inductivity of 882 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-20 01:47:37,745 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:47:37,745 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139435988]
[2023-12-20 01:47:37,745 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139435988] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:47:37,745 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:47:37,746 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:47:37,746 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540097396]
[2023-12-20 01:47:37,746 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:47:37,747 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:47:37,747 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:47:37,748 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:47:37,749 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:47:37,749 INFO  L87              Difference]: Start difference. First operand 19672 states and 23867 transitions. Second operand  has 6 states, 5 states have (on average 390.4) internal successors, (1952), 5 states have internal predecessors, (1952), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-20 01:47:41,869 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:47:45,897 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:47:49,944 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:47:54,202 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:47:55,315 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:47:55,315 INFO  L93              Difference]: Finished difference Result 19692 states and 23885 transitions.
[2023-12-20 01:47:55,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:47:55,316 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 390.4) internal successors, (1952), 5 states have internal predecessors, (1952), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 2055
[2023-12-20 01:47:55,317 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:47:55,368 INFO  L225             Difference]: With dead ends: 19692
[2023-12-20 01:47:55,368 INFO  L226             Difference]: Without dead ends: 19690
[2023-12-20 01:47:55,377 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:47:55,378 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3976 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3976 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time
[2023-12-20 01:47:55,379 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3976 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 17.0s Time]
[2023-12-20 01:47:55,391 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19690 states.
[2023-12-20 01:47:56,026 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19690 to 19688.
[2023-12-20 01:47:56,042 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19688 states, 17314 states have (on average 1.1457202264063764) internal successors, (19837), 17436 states have internal predecessors, (19837), 1983 states have call successors, (1983), 390 states have call predecessors, (1983), 390 states have return successors, (2059), 1930 states have call predecessors, (2059), 1975 states have call successors, (2059)
[2023-12-20 01:47:56,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19688 states to 19688 states and 23879 transitions.
[2023-12-20 01:47:56,086 INFO  L78                 Accepts]: Start accepts. Automaton has 19688 states and 23879 transitions. Word has length 2055
[2023-12-20 01:47:56,087 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:47:56,087 INFO  L495      AbstractCegarLoop]: Abstraction has 19688 states and 23879 transitions.
[2023-12-20 01:47:56,087 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 390.4) internal successors, (1952), 5 states have internal predecessors, (1952), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-20 01:47:56,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 19688 states and 23879 transitions.
[2023-12-20 01:47:56,156 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2062
[2023-12-20 01:47:56,156 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:47:56,157 INFO  L195           NwaCegarLoop]: trace histogram [23, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:47:56,157 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2023-12-20 01:47:56,157 INFO  L420      AbstractCegarLoop]: === Iteration 24 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:47:56,157 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:47:56,158 INFO  L85        PathProgramCache]: Analyzing trace with hash -508249069, now seen corresponding path program 1 times
[2023-12-20 01:47:56,158 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:47:56,158 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806942746]
[2023-12-20 01:47:56,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:47:56,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:48:11,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,283 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:48:14,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,286 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:48:14,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,288 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:48:14,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,290 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:48:14,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,291 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:48:14,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,293 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:48:14,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,295 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:48:14,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,296 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:48:14,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,304 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:48:14,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,306 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:48:14,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,308 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:48:14,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,310 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:48:14,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,312 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:48:14,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,313 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:48:14,314 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,315 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2009
[2023-12-20 01:48:14,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,317 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2015
[2023-12-20 01:48:14,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,319 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021
[2023-12-20 01:48:14,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,320 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2027
[2023-12-20 01:48:14,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,322 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2033
[2023-12-20 01:48:14,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,324 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039
[2023-12-20 01:48:14,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,326 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2045
[2023-12-20 01:48:14,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,327 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2051
[2023-12-20 01:48:14,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:14,334 INFO  L134       CoverageAnalysis]: Checked inductivity of 968 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2023-12-20 01:48:14,334 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:48:14,334 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806942746]
[2023-12-20 01:48:14,334 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806942746] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:48:14,334 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:48:14,334 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:48:14,334 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635940925]
[2023-12-20 01:48:14,334 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:48:14,336 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:48:14,336 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:48:14,337 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:48:14,337 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:48:14,337 INFO  L87              Difference]: Start difference. First operand 19688 states and 23879 transitions. Second operand  has 6 states, 5 states have (on average 390.6) internal successors, (1953), 5 states have internal predecessors, (1953), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2023-12-20 01:48:18,455 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:48:22,495 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:48:26,759 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:48:31,048 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:48:32,344 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:48:32,344 INFO  L93              Difference]: Finished difference Result 19708 states and 23897 transitions.
[2023-12-20 01:48:32,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:48:32,345 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 390.6) internal successors, (1953), 5 states have internal predecessors, (1953), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 2061
[2023-12-20 01:48:32,347 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:48:32,393 INFO  L225             Difference]: With dead ends: 19708
[2023-12-20 01:48:32,393 INFO  L226             Difference]: Without dead ends: 19706
[2023-12-20 01:48:32,405 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:48:32,405 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3974 mSDsluCounter, 20166 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3974 SdHoareTripleChecker+Valid, 26078 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time
[2023-12-20 01:48:32,405 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3974 Valid, 26078 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 4 Unknown, 0 Unchecked, 17.4s Time]
[2023-12-20 01:48:32,419 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19706 states.
[2023-12-20 01:48:33,045 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19706 to 19704.
[2023-12-20 01:48:33,062 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19704 states, 17326 states have (on average 1.145619300473277) internal successors, (19849), 17448 states have internal predecessors, (19849), 1983 states have call successors, (1983), 394 states have call predecessors, (1983), 394 states have return successors, (2059), 1930 states have call predecessors, (2059), 1975 states have call successors, (2059)
[2023-12-20 01:48:33,111 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19704 states to 19704 states and 23891 transitions.
[2023-12-20 01:48:33,111 INFO  L78                 Accepts]: Start accepts. Automaton has 19704 states and 23891 transitions. Word has length 2061
[2023-12-20 01:48:33,113 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:48:33,113 INFO  L495      AbstractCegarLoop]: Abstraction has 19704 states and 23891 transitions.
[2023-12-20 01:48:33,114 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 390.6) internal successors, (1953), 5 states have internal predecessors, (1953), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2023-12-20 01:48:33,114 INFO  L276                IsEmpty]: Start isEmpty. Operand 19704 states and 23891 transitions.
[2023-12-20 01:48:33,202 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2068
[2023-12-20 01:48:33,202 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:48:33,203 INFO  L195           NwaCegarLoop]: trace histogram [24, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:48:33,203 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2023-12-20 01:48:33,203 INFO  L420      AbstractCegarLoop]: === Iteration 25 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:48:33,203 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:48:33,203 INFO  L85        PathProgramCache]: Analyzing trace with hash -888035251, now seen corresponding path program 1 times
[2023-12-20 01:48:33,204 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:48:33,204 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119968631]
[2023-12-20 01:48:33,204 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:48:33,204 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:48:48,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,699 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1925
[2023-12-20 01:48:50,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,702 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1931
[2023-12-20 01:48:50,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,706 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937
[2023-12-20 01:48:50,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,710 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1943
[2023-12-20 01:48:50,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,713 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1949
[2023-12-20 01:48:50,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,716 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1955
[2023-12-20 01:48:50,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,720 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1961
[2023-12-20 01:48:50,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,722 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1967
[2023-12-20 01:48:50,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,730 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1973
[2023-12-20 01:48:50,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,732 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1979
[2023-12-20 01:48:50,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,734 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1985
[2023-12-20 01:48:50,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,736 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1991
[2023-12-20 01:48:50,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,737 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1997
[2023-12-20 01:48:50,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,739 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003
[2023-12-20 01:48:50,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,741 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2009
[2023-12-20 01:48:50,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,744 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2015
[2023-12-20 01:48:50,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,746 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2021
[2023-12-20 01:48:50,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,748 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2027
[2023-12-20 01:48:50,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,750 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2033
[2023-12-20 01:48:50,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,752 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2039
[2023-12-20 01:48:50,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,754 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2045
[2023-12-20 01:48:50,755 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,756 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2051
[2023-12-20 01:48:50,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,758 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2057
[2023-12-20 01:48:50,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 01:48:50,764 INFO  L134       CoverageAnalysis]: Checked inductivity of 1058 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2023-12-20 01:48:50,764 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 01:48:50,765 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119968631]
[2023-12-20 01:48:50,765 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119968631] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 01:48:50,765 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 01:48:50,765 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-20 01:48:50,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076539435]
[2023-12-20 01:48:50,765 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 01:48:50,767 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-20 01:48:50,767 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 01:48:50,769 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-20 01:48:50,769 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-20 01:48:50,769 INFO  L87              Difference]: Start difference. First operand 19704 states and 23891 transitions. Second operand  has 6 states, 5 states have (on average 390.8) internal successors, (1954), 5 states have internal predecessors, (1954), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2023-12-20 01:48:54,908 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:48:58,942 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:49:02,988 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:49:07,023 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-12-20 01:49:08,166 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 01:49:08,166 INFO  L93              Difference]: Finished difference Result 19724 states and 23909 transitions.
[2023-12-20 01:49:08,167 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-20 01:49:08,167 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 390.8) internal successors, (1954), 5 states have internal predecessors, (1954), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 2067
[2023-12-20 01:49:08,168 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 01:49:08,212 INFO  L225             Difference]: With dead ends: 19724
[2023-12-20 01:49:08,213 INFO  L226             Difference]: Without dead ends: 19722
[2023-12-20 01:49:08,223 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-12-20 01:49:08,224 INFO  L413           NwaCegarLoop]: 5912 mSDtfsCounter, 3972 mSDsluCounter, 20165 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3972 SdHoareTripleChecker+Valid, 26077 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time
[2023-12-20 01:49:08,225 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3972 Valid, 26077 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 361 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time]
[2023-12-20 01:49:08,236 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19722 states.
[2023-12-20 01:49:08,797 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19722 to 19720.
[2023-12-20 01:49:08,814 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19720 states, 17338 states have (on average 1.1455185142461646) internal successors, (19861), 17460 states have internal predecessors, (19861), 1983 states have call successors, (1983), 398 states have call predecessors, (1983), 398 states have return successors, (2059), 1930 states have call predecessors, (2059), 1975 states have call successors, (2059)
[2023-12-20 01:49:08,860 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19720 states to 19720 states and 23903 transitions.
[2023-12-20 01:49:08,861 INFO  L78                 Accepts]: Start accepts. Automaton has 19720 states and 23903 transitions. Word has length 2067
[2023-12-20 01:49:08,862 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 01:49:08,862 INFO  L495      AbstractCegarLoop]: Abstraction has 19720 states and 23903 transitions.
[2023-12-20 01:49:08,862 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 390.8) internal successors, (1954), 5 states have internal predecessors, (1954), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2023-12-20 01:49:08,862 INFO  L276                IsEmpty]: Start isEmpty. Operand 19720 states and 23903 transitions.
[2023-12-20 01:49:08,928 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2074
[2023-12-20 01:49:08,928 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 01:49:08,929 INFO  L195           NwaCegarLoop]: trace histogram [25, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 01:49:08,929 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2023-12-20 01:49:08,929 INFO  L420      AbstractCegarLoop]: === Iteration 26 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 01:49:08,929 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 01:49:08,929 INFO  L85        PathProgramCache]: Analyzing trace with hash 2109590021, now seen corresponding path program 1 times
[2023-12-20 01:49:08,930 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 01:49:08,930 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171176107]
[2023-12-20 01:49:08,930 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 01:49:08,930 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 01:49:24,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
Received shutdown request...
[2023-12-20 01:49:25,923 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-20 01:49:26,010 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2023-12-20 01:49:26,011 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Termination requested (timeout or resource limit)
	at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275)
	at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:152)
	at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115)
	at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106)
	at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260)
	at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237)
	at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:869)
	at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:793)
	at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:201)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:164)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:97)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:155)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2023-12-20 01:49:26,017 INFO  L158              Benchmark]: Toolchain (without parser) took 831701.52ms. Allocated memory was 355.5MB in the beginning and 4.7GB in the end (delta: 4.4GB). Free memory was 287.6MB in the beginning and 3.3GB in the end (delta: -3.0GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB.
[2023-12-20 01:49:26,017 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 248.5MB. Free memory is still 196.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-20 01:49:26,017 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1246.57ms. Allocated memory is still 355.5MB. Free memory was 287.4MB in the beginning and 207.9MB in the end (delta: 79.5MB). Peak memory consumption was 87.9MB. Max. memory is 8.0GB.
[2023-12-20 01:49:26,017 INFO  L158              Benchmark]: Boogie Procedure Inliner took 684.48ms. Allocated memory was 355.5MB in the beginning and 532.7MB in the end (delta: 177.2MB). Free memory was 207.9MB in the beginning and 346.9MB in the end (delta: -139.0MB). Peak memory consumption was 102.2MB. Max. memory is 8.0GB.
[2023-12-20 01:49:26,017 INFO  L158              Benchmark]: Boogie Preprocessor took 915.49ms. Allocated memory was 532.7MB in the beginning and 1.1GB in the end (delta: 532.7MB). Free memory was 346.9MB in the beginning and 844.9MB in the end (delta: -498.1MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB.
[2023-12-20 01:49:26,017 INFO  L158              Benchmark]: RCFGBuilder took 12745.09ms. Allocated memory was 1.1GB in the beginning and 1.9GB in the end (delta: 859.8MB). Free memory was 844.9MB in the beginning and 1.4GB in the end (delta: -537.5MB). Peak memory consumption was 653.7MB. Max. memory is 8.0GB.
[2023-12-20 01:49:26,017 INFO  L158              Benchmark]: TraceAbstraction took 816103.16ms. Allocated memory was 1.9GB in the beginning and 4.7GB in the end (delta: 2.8GB). Free memory was 1.4GB in the beginning and 3.3GB in the end (delta: -1.9GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB.
[2023-12-20 01:49:26,018 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 248.5MB. Free memory is still 196.5MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 1246.57ms. Allocated memory is still 355.5MB. Free memory was 287.4MB in the beginning and 207.9MB in the end (delta: 79.5MB). Peak memory consumption was 87.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 684.48ms. Allocated memory was 355.5MB in the beginning and 532.7MB in the end (delta: 177.2MB). Free memory was 207.9MB in the beginning and 346.9MB in the end (delta: -139.0MB). Peak memory consumption was 102.2MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 915.49ms. Allocated memory was 532.7MB in the beginning and 1.1GB in the end (delta: 532.7MB). Free memory was 346.9MB in the beginning and 844.9MB in the end (delta: -498.1MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB.
 * RCFGBuilder took 12745.09ms. Allocated memory was 1.1GB in the beginning and 1.9GB in the end (delta: 859.8MB). Free memory was 844.9MB in the beginning and 1.4GB in the end (delta: -537.5MB). Peak memory consumption was 653.7MB. Max. memory is 8.0GB.
 * TraceAbstraction took 816103.16ms. Allocated memory was 1.9GB in the beginning and 4.7GB in the end (delta: 2.8GB). Free memory was 1.4GB in the beginning and 3.3GB in the end (delta: -1.9GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 51]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok1.i","-S") [51]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: SMTLIBException: Termination requested (timeout or resource limit)
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Termination requested (timeout or resource limit): de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Completed graceful shutdown