./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/transmitter.12.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/systemc/transmitter.12.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 062c7418109a213aa13d25a99437d8241cca4f6492c123259890838dc94aff90
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 14:36:31,108 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 14:36:31,172 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 14:36:31,178 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 14:36:31,178 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 14:36:31,205 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 14:36:31,206 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 14:36:31,206 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 14:36:31,207 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 14:36:31,207 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 14:36:31,208 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 14:36:31,208 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 14:36:31,208 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 14:36:31,209 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 14:36:31,211 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 14:36:31,211 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 14:36:31,211 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 14:36:31,212 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 14:36:31,212 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 14:36:31,212 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 14:36:31,212 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 14:36:31,216 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 14:36:31,216 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 14:36:31,216 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 14:36:31,217 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 14:36:31,217 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 14:36:31,217 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 14:36:31,217 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 14:36:31,217 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 14:36:31,217 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 14:36:31,217 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 14:36:31,218 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 14:36:31,218 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 14:36:31,218 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 14:36:31,218 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 14:36:31,218 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 14:36:31,218 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 14:36:31,218 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 14:36:31,218 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 14:36:31,219 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 14:36:31,219 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 14:36:31,220 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 14:36:31,220 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: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062c7418109a213aa13d25a99437d8241cca4f6492c123259890838dc94aff90
[2024-11-18 14:36:31,415 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 14:36:31,434 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 14:36:31,436 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 14:36:31,437 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 14:36:31,438 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 14:36:31,439 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.12.cil.c
[2024-11-18 14:36:32,882 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 14:36:33,082 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 14:36:33,083 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.12.cil.c
[2024-11-18 14:36:33,094 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c878ef541/634b168fe5134b3d968b3bdbd47c1a18/FLAGf9db2ec8f
[2024-11-18 14:36:33,107 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c878ef541/634b168fe5134b3d968b3bdbd47c1a18
[2024-11-18 14:36:33,109 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 14:36:33,110 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 14:36:33,111 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 14:36:33,112 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 14:36:33,116 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 14:36:33,117 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,119 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d7a096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33, skipping insertion in model container
[2024-11-18 14:36:33,120 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,162 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 14:36:33,289 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.12.cil.c[706,719]
[2024-11-18 14:36:33,394 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 14:36:33,405 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 14:36:33,449 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.12.cil.c[706,719]
[2024-11-18 14:36:33,561 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 14:36:33,597 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 14:36:33,597 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33 WrapperNode
[2024-11-18 14:36:33,598 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 14:36:33,599 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 14:36:33,599 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 14:36:33,599 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 14:36:33,605 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,619 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,674 INFO  L138                Inliner]: procedures = 52, calls = 66, calls flagged for inlining = 36, calls inlined = 36, statements flattened = 859
[2024-11-18 14:36:33,675 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 14:36:33,675 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 14:36:33,675 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 14:36:33,675 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 14:36:33,691 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,691 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,698 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,724 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-18 14:36:33,725 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,725 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,738 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,753 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,755 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,757 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,760 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 14:36:33,760 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 14:36:33,761 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 14:36:33,761 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 14:36:33,761 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (1/1) ...
[2024-11-18 14:36:33,769 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 14:36:33,779 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 14:36:33,800 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)
[2024-11-18 14:36:33,813 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
[2024-11-18 14:36:33,856 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 14:36:33,856 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_threads
[2024-11-18 14:36:33,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_threads
[2024-11-18 14:36:33,857 INFO  L130     BoogieDeclarations]: Found specification of procedure immediate_notify
[2024-11-18 14:36:33,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure immediate_notify
[2024-11-18 14:36:33,858 INFO  L130     BoogieDeclarations]: Found specification of procedure update_channels
[2024-11-18 14:36:33,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure update_channels
[2024-11-18 14:36:33,858 INFO  L130     BoogieDeclarations]: Found specification of procedure fire_delta_events
[2024-11-18 14:36:33,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure fire_delta_events
[2024-11-18 14:36:33,858 INFO  L130     BoogieDeclarations]: Found specification of procedure exists_runnable_thread
[2024-11-18 14:36:33,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure exists_runnable_thread
[2024-11-18 14:36:33,858 INFO  L130     BoogieDeclarations]: Found specification of procedure reset_delta_events
[2024-11-18 14:36:33,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure reset_delta_events
[2024-11-18 14:36:33,858 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 14:36:33,858 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 14:36:33,858 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 14:36:33,982 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 14:36:33,984 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 14:36:34,730 INFO  L?                        ?]: Removed 97 outVars from TransFormulas that were not future-live.
[2024-11-18 14:36:34,731 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 14:36:34,762 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 14:36:34,762 INFO  L316             CfgBuilder]: Removed 16 assume(true) statements.
[2024-11-18 14:36:34,763 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:36:34 BoogieIcfgContainer
[2024-11-18 14:36:34,763 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 14:36:34,765 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 14:36:34,765 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 14:36:34,767 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 14:36:34,768 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:36:33" (1/3) ...
[2024-11-18 14:36:34,768 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1036a2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:36:34, skipping insertion in model container
[2024-11-18 14:36:34,768 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:36:33" (2/3) ...
[2024-11-18 14:36:34,769 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1036a2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:36:34, skipping insertion in model container
[2024-11-18 14:36:34,769 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:36:34" (3/3) ...
[2024-11-18 14:36:34,770 INFO  L112   eAbstractionObserver]: Analyzing ICFG transmitter.12.cil.c
[2024-11-18 14:36:34,783 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 14:36:34,783 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 14:36:34,842 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 14:36:34,848 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28663c00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 14:36:34,848 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 14:36:34,854 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 391 states, 358 states have (on average 1.6396648044692737) internal successors, (587), 360 states have internal predecessors, (587), 25 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-18 14:36:34,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:34,869 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:34,869 INFO  L215           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]
[2024-11-18 14:36:34,870 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:34,874 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:34,874 INFO  L85        PathProgramCache]: Analyzing trace with hash 2143662792, now seen corresponding path program 1 times
[2024-11-18 14:36:34,881 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:34,881 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550630661]
[2024-11-18 14:36:34,881 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:34,882 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:35,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:35,359 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:35,360 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:35,360 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550630661]
[2024-11-18 14:36:35,360 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550630661] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:35,361 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:35,361 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:36:35,362 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330252925]
[2024-11-18 14:36:35,363 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:35,369 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:36:35,369 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:35,389 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:36:35,390 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:36:35,394 INFO  L87              Difference]: Start difference. First operand  has 391 states, 358 states have (on average 1.6396648044692737) internal successors, (587), 360 states have internal predecessors, (587), 25 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:35,502 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:35,505 INFO  L93              Difference]: Finished difference Result 769 states and 1253 transitions.
[2024-11-18 14:36:35,507 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:36:35,509 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:35,509 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:35,523 INFO  L225             Difference]: With dead ends: 769
[2024-11-18 14:36:35,524 INFO  L226             Difference]: Without dead ends: 386
[2024-11-18 14:36:35,528 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:36:35,531 INFO  L432           NwaCegarLoop]: 601 mSDtfsCounter, 591 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:35,532 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 601 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:36:35,546 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 386 states.
[2024-11-18 14:36:35,578 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386.
[2024-11-18 14:36:35,580 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 386 states, 354 states have (on average 1.5480225988700564) internal successors, (548), 355 states have internal predecessors, (548), 25 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-18 14:36:35,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 598 transitions.
[2024-11-18 14:36:35,585 INFO  L78                 Accepts]: Start accepts. Automaton has 386 states and 598 transitions. Word has length 187
[2024-11-18 14:36:35,587 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:35,587 INFO  L471      AbstractCegarLoop]: Abstraction has 386 states and 598 transitions.
[2024-11-18 14:36:35,587 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:35,588 INFO  L276                IsEmpty]: Start isEmpty. Operand 386 states and 598 transitions.
[2024-11-18 14:36:35,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:35,591 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:35,591 INFO  L215           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]
[2024-11-18 14:36:35,592 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-18 14:36:35,592 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:35,593 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:35,593 INFO  L85        PathProgramCache]: Analyzing trace with hash -1320650870, now seen corresponding path program 1 times
[2024-11-18 14:36:35,593 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:35,593 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750723399]
[2024-11-18 14:36:35,594 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:35,594 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:35,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:35,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:35,821 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:35,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750723399]
[2024-11-18 14:36:35,822 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750723399] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:35,822 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:35,822 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 14:36:35,823 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690635751]
[2024-11-18 14:36:35,823 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:35,825 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 14:36:35,825 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:35,858 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 14:36:35,858 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-18 14:36:35,859 INFO  L87              Difference]: Start difference. First operand 386 states and 598 transitions. Second operand  has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:36,486 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:36,487 INFO  L93              Difference]: Finished difference Result 1164 states and 1835 transitions.
[2024-11-18 14:36:36,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-18 14:36:36,487 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:36,487 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:36,492 INFO  L225             Difference]: With dead ends: 1164
[2024-11-18 14:36:36,493 INFO  L226             Difference]: Without dead ends: 798
[2024-11-18 14:36:36,494 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:36,495 INFO  L432           NwaCegarLoop]: 464 mSDtfsCounter, 1143 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:36,495 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1657 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-18 14:36:36,497 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 798 states.
[2024-11-18 14:36:36,527 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 769.
[2024-11-18 14:36:36,529 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 769 states, 710 states have (on average 1.5577464788732394) internal successors, (1106), 712 states have internal predecessors, (1106), 45 states have call successors, (45), 12 states have call predecessors, (45), 13 states have return successors, (46), 45 states have call predecessors, (46), 45 states have call successors, (46)
[2024-11-18 14:36:36,534 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1197 transitions.
[2024-11-18 14:36:36,534 INFO  L78                 Accepts]: Start accepts. Automaton has 769 states and 1197 transitions. Word has length 187
[2024-11-18 14:36:36,535 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:36,535 INFO  L471      AbstractCegarLoop]: Abstraction has 769 states and 1197 transitions.
[2024-11-18 14:36:36,535 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:36,535 INFO  L276                IsEmpty]: Start isEmpty. Operand 769 states and 1197 transitions.
[2024-11-18 14:36:36,538 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:36,539 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:36,539 INFO  L215           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]
[2024-11-18 14:36:36,539 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 14:36:36,539 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:36,539 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:36,540 INFO  L85        PathProgramCache]: Analyzing trace with hash 308761065, now seen corresponding path program 1 times
[2024-11-18 14:36:36,540 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:36,540 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807688478]
[2024-11-18 14:36:36,540 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:36,540 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:36,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:36,827 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:36,829 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:36,830 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807688478]
[2024-11-18 14:36:36,830 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807688478] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:36,830 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:36,830 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:36:36,830 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195601391]
[2024-11-18 14:36:36,830 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:36,831 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:36:36,831 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:36,832 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:36:36,832 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:36,833 INFO  L87              Difference]: Start difference. First operand 769 states and 1197 transitions. Second operand  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:37,866 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:37,866 INFO  L93              Difference]: Finished difference Result 2095 states and 3297 transitions.
[2024-11-18 14:36:37,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 14:36:37,868 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:37,868 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:37,877 INFO  L225             Difference]: With dead ends: 2095
[2024-11-18 14:36:37,880 INFO  L226             Difference]: Without dead ends: 1346
[2024-11-18 14:36:37,882 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-18 14:36:37,886 INFO  L432           NwaCegarLoop]: 800 mSDtfsCounter, 1277 mSDsluCounter, 2435 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 3235 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:37,886 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 3235 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-18 14:36:37,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1346 states.
[2024-11-18 14:36:37,961 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1126.
[2024-11-18 14:36:37,963 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1126 states, 1040 states have (on average 1.55) internal successors, (1612), 1043 states have internal predecessors, (1612), 65 states have call successors, (65), 18 states have call predecessors, (65), 20 states have return successors, (69), 66 states have call predecessors, (69), 65 states have call successors, (69)
[2024-11-18 14:36:37,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1746 transitions.
[2024-11-18 14:36:37,969 INFO  L78                 Accepts]: Start accepts. Automaton has 1126 states and 1746 transitions. Word has length 187
[2024-11-18 14:36:37,969 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:37,969 INFO  L471      AbstractCegarLoop]: Abstraction has 1126 states and 1746 transitions.
[2024-11-18 14:36:37,970 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:37,970 INFO  L276                IsEmpty]: Start isEmpty. Operand 1126 states and 1746 transitions.
[2024-11-18 14:36:37,972 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:37,972 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:37,972 INFO  L215           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]
[2024-11-18 14:36:37,972 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-18 14:36:37,973 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:37,974 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:37,977 INFO  L85        PathProgramCache]: Analyzing trace with hash -1415847257, now seen corresponding path program 1 times
[2024-11-18 14:36:37,977 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:37,977 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021821814]
[2024-11-18 14:36:37,978 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:37,978 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:38,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:38,167 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:38,167 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:38,167 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021821814]
[2024-11-18 14:36:38,168 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021821814] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:38,168 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:38,168 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:36:38,168 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880032629]
[2024-11-18 14:36:38,168 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:38,168 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:36:38,168 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:38,169 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:36:38,169 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:38,169 INFO  L87              Difference]: Start difference. First operand 1126 states and 1746 transitions. Second operand  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:39,339 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:39,339 INFO  L93              Difference]: Finished difference Result 3233 states and 5077 transitions.
[2024-11-18 14:36:39,340 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 14:36:39,340 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:39,340 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:39,350 INFO  L225             Difference]: With dead ends: 3233
[2024-11-18 14:36:39,351 INFO  L226             Difference]: Without dead ends: 2127
[2024-11-18 14:36:39,355 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-18 14:36:39,356 INFO  L432           NwaCegarLoop]: 796 mSDtfsCounter, 1272 mSDsluCounter, 2423 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 3219 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:39,359 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 3219 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-18 14:36:39,361 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2127 states.
[2024-11-18 14:36:39,426 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 1887.
[2024-11-18 14:36:39,429 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1887 states, 1745 states have (on average 1.5535816618911176) internal successors, (2711), 1752 states have internal predecessors, (2711), 105 states have call successors, (105), 30 states have call predecessors, (105), 36 states have return successors, (121), 108 states have call predecessors, (121), 105 states have call successors, (121)
[2024-11-18 14:36:39,438 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2937 transitions.
[2024-11-18 14:36:39,440 INFO  L78                 Accepts]: Start accepts. Automaton has 1887 states and 2937 transitions. Word has length 187
[2024-11-18 14:36:39,440 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:39,440 INFO  L471      AbstractCegarLoop]: Abstraction has 1887 states and 2937 transitions.
[2024-11-18 14:36:39,440 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:39,441 INFO  L276                IsEmpty]: Start isEmpty. Operand 1887 states and 2937 transitions.
[2024-11-18 14:36:39,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:39,443 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:39,443 INFO  L215           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]
[2024-11-18 14:36:39,443 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-18 14:36:39,444 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:39,444 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:39,445 INFO  L85        PathProgramCache]: Analyzing trace with hash -917290455, now seen corresponding path program 1 times
[2024-11-18 14:36:39,445 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:39,446 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18218243]
[2024-11-18 14:36:39,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:39,446 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:39,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:39,629 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:39,630 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:39,630 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18218243]
[2024-11-18 14:36:39,630 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18218243] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:39,630 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:39,630 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:36:39,630 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636828690]
[2024-11-18 14:36:39,632 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:39,632 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:36:39,632 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:39,633 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:36:39,633 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:39,633 INFO  L87              Difference]: Start difference. First operand 1887 states and 2937 transitions. Second operand  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:40,644 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:40,644 INFO  L93              Difference]: Finished difference Result 5692 states and 9006 transitions.
[2024-11-18 14:36:40,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 14:36:40,645 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:40,645 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:40,664 INFO  L225             Difference]: With dead ends: 5692
[2024-11-18 14:36:40,665 INFO  L226             Difference]: Without dead ends: 3825
[2024-11-18 14:36:40,672 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-18 14:36:40,674 INFO  L432           NwaCegarLoop]: 515 mSDtfsCounter, 1301 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:40,675 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 2252 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-18 14:36:40,678 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3825 states.
[2024-11-18 14:36:40,775 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3544.
[2024-11-18 14:36:40,780 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3544 states, 3284 states have (on average 1.5709500609013398) internal successors, (5159), 3305 states have internal predecessors, (5159), 185 states have call successors, (185), 54 states have call predecessors, (185), 74 states have return successors, (249), 192 states have call predecessors, (249), 185 states have call successors, (249)
[2024-11-18 14:36:40,793 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 5593 transitions.
[2024-11-18 14:36:40,794 INFO  L78                 Accepts]: Start accepts. Automaton has 3544 states and 5593 transitions. Word has length 187
[2024-11-18 14:36:40,795 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:40,795 INFO  L471      AbstractCegarLoop]: Abstraction has 3544 states and 5593 transitions.
[2024-11-18 14:36:40,795 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:40,795 INFO  L276                IsEmpty]: Start isEmpty. Operand 3544 states and 5593 transitions.
[2024-11-18 14:36:40,799 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:40,799 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:40,799 INFO  L215           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]
[2024-11-18 14:36:40,799 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-18 14:36:40,800 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:40,800 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:40,800 INFO  L85        PathProgramCache]: Analyzing trace with hash -347018649, now seen corresponding path program 1 times
[2024-11-18 14:36:40,800 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:40,800 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252882056]
[2024-11-18 14:36:40,801 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:40,801 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:40,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:40,963 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:40,963 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:40,963 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252882056]
[2024-11-18 14:36:40,964 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252882056] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:40,964 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:40,964 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:36:40,964 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874667233]
[2024-11-18 14:36:40,964 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:40,965 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:36:40,965 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:40,966 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:36:40,966 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:40,966 INFO  L87              Difference]: Start difference. First operand 3544 states and 5593 transitions. Second operand  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:41,976 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:41,976 INFO  L93              Difference]: Finished difference Result 11093 states and 17872 transitions.
[2024-11-18 14:36:41,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 14:36:41,977 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:41,977 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:42,005 INFO  L225             Difference]: With dead ends: 11093
[2024-11-18 14:36:42,006 INFO  L226             Difference]: Without dead ends: 7569
[2024-11-18 14:36:42,013 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-18 14:36:42,014 INFO  L432           NwaCegarLoop]: 786 mSDtfsCounter, 1259 mSDsluCounter, 2395 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 3181 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:42,014 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 3181 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-18 14:36:42,020 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7569 states.
[2024-11-18 14:36:42,184 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7569 to 7218.
[2024-11-18 14:36:42,193 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7218 states, 6704 states have (on average 1.5985978520286397) internal successors, (10717), 6771 states have internal predecessors, (10717), 345 states have call successors, (345), 102 states have call predecessors, (345), 168 states have return successors, (601), 360 states have call predecessors, (601), 345 states have call successors, (601)
[2024-11-18 14:36:42,216 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7218 states to 7218 states and 11663 transitions.
[2024-11-18 14:36:42,219 INFO  L78                 Accepts]: Start accepts. Automaton has 7218 states and 11663 transitions. Word has length 187
[2024-11-18 14:36:42,219 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:42,220 INFO  L471      AbstractCegarLoop]: Abstraction has 7218 states and 11663 transitions.
[2024-11-18 14:36:42,220 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:42,220 INFO  L276                IsEmpty]: Start isEmpty. Operand 7218 states and 11663 transitions.
[2024-11-18 14:36:42,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:42,227 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:42,227 INFO  L215           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]
[2024-11-18 14:36:42,228 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-18 14:36:42,228 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:42,228 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:42,228 INFO  L85        PathProgramCache]: Analyzing trace with hash -1133016539, now seen corresponding path program 1 times
[2024-11-18 14:36:42,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:42,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465865221]
[2024-11-18 14:36:42,229 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:42,229 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:42,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:42,388 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:42,389 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:42,389 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465865221]
[2024-11-18 14:36:42,389 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465865221] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:42,389 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:42,389 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:36:42,389 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885215954]
[2024-11-18 14:36:42,389 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:42,390 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:36:42,390 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:42,390 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:36:42,391 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:42,391 INFO  L87              Difference]: Start difference. First operand 7218 states and 11663 transitions. Second operand  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:43,521 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:43,521 INFO  L93              Difference]: Finished difference Result 23317 states and 38700 transitions.
[2024-11-18 14:36:43,521 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 14:36:43,522 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:43,522 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:43,605 INFO  L225             Difference]: With dead ends: 23317
[2024-11-18 14:36:43,605 INFO  L226             Difference]: Without dead ends: 16119
[2024-11-18 14:36:43,633 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-18 14:36:43,636 INFO  L432           NwaCegarLoop]: 783 mSDtfsCounter, 1254 mSDsluCounter, 2386 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 3169 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:43,636 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 3169 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-18 14:36:43,648 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16119 states.
[2024-11-18 14:36:44,142 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16119 to 15619.
[2024-11-18 14:36:44,164 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15619 states, 14543 states have (on average 1.6343945540810012) internal successors, (23769), 14756 states have internal predecessors, (23769), 665 states have call successors, (665), 198 states have call predecessors, (665), 410 states have return successors, (1689), 696 states have call predecessors, (1689), 665 states have call successors, (1689)
[2024-11-18 14:36:44,207 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15619 states to 15619 states and 26123 transitions.
[2024-11-18 14:36:44,212 INFO  L78                 Accepts]: Start accepts. Automaton has 15619 states and 26123 transitions. Word has length 187
[2024-11-18 14:36:44,212 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:44,212 INFO  L471      AbstractCegarLoop]: Abstraction has 15619 states and 26123 transitions.
[2024-11-18 14:36:44,212 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:44,212 INFO  L276                IsEmpty]: Start isEmpty. Operand 15619 states and 26123 transitions.
[2024-11-18 14:36:44,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:44,226 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:44,226 INFO  L215           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]
[2024-11-18 14:36:44,226 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-18 14:36:44,226 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:44,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:44,227 INFO  L85        PathProgramCache]: Analyzing trace with hash -465634649, now seen corresponding path program 1 times
[2024-11-18 14:36:44,227 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:44,227 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200957286]
[2024-11-18 14:36:44,228 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:44,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:44,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:44,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:44,343 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:44,344 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200957286]
[2024-11-18 14:36:44,344 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200957286] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:44,344 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:44,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 14:36:44,344 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222042146]
[2024-11-18 14:36:44,344 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:44,344 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 14:36:44,345 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:44,345 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 14:36:44,345 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-18 14:36:44,345 INFO  L87              Difference]: Start difference. First operand 15619 states and 26123 transitions. Second operand  has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:45,184 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:45,185 INFO  L93              Difference]: Finished difference Result 35873 states and 61879 transitions.
[2024-11-18 14:36:45,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 14:36:45,185 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:45,186 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:45,265 INFO  L225             Difference]: With dead ends: 35873
[2024-11-18 14:36:45,265 INFO  L226             Difference]: Without dead ends: 20274
[2024-11-18 14:36:45,365 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:45,366 INFO  L432           NwaCegarLoop]: 441 mSDtfsCounter, 808 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:45,367 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 1174 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 14:36:45,375 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20274 states.
[2024-11-18 14:36:45,944 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20274 to 15619.
[2024-11-18 14:36:45,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15619 states, 14543 states have (on average 1.6321254211648215) internal successors, (23736), 14756 states have internal predecessors, (23736), 665 states have call successors, (665), 198 states have call predecessors, (665), 410 states have return successors, (1689), 696 states have call predecessors, (1689), 665 states have call successors, (1689)
[2024-11-18 14:36:46,025 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15619 states to 15619 states and 26090 transitions.
[2024-11-18 14:36:46,031 INFO  L78                 Accepts]: Start accepts. Automaton has 15619 states and 26090 transitions. Word has length 187
[2024-11-18 14:36:46,032 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:46,032 INFO  L471      AbstractCegarLoop]: Abstraction has 15619 states and 26090 transitions.
[2024-11-18 14:36:46,033 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:46,033 INFO  L276                IsEmpty]: Start isEmpty. Operand 15619 states and 26090 transitions.
[2024-11-18 14:36:46,050 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:46,050 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:46,050 INFO  L215           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]
[2024-11-18 14:36:46,051 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-18 14:36:46,051 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:46,051 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:46,051 INFO  L85        PathProgramCache]: Analyzing trace with hash 1634103781, now seen corresponding path program 1 times
[2024-11-18 14:36:46,052 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:46,052 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798531419]
[2024-11-18 14:36:46,052 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:46,052 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:46,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:46,195 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:46,196 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:46,196 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798531419]
[2024-11-18 14:36:46,196 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798531419] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:46,196 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:46,196 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:36:46,196 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884388377]
[2024-11-18 14:36:46,196 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:46,197 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:36:46,197 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:46,197 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:36:46,197 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:46,198 INFO  L87              Difference]: Start difference. First operand 15619 states and 26090 transitions. Second operand  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:48,078 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:48,078 INFO  L93              Difference]: Finished difference Result 51524 states and 89023 transitions.
[2024-11-18 14:36:48,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 14:36:48,079 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:48,079 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:48,200 INFO  L225             Difference]: With dead ends: 51524
[2024-11-18 14:36:48,201 INFO  L226             Difference]: Without dead ends: 35925
[2024-11-18 14:36:48,242 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-18 14:36:48,243 INFO  L432           NwaCegarLoop]: 775 mSDtfsCounter, 1241 mSDsluCounter, 2363 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 3138 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:48,243 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 3138 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 14:36:48,261 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35925 states.
[2024-11-18 14:36:49,111 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35925 to 35175.
[2024-11-18 14:36:49,367 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 35175 states, 32813 states have (on average 1.670496449577911) internal successors, (54814), 33480 states have internal predecessors, (54814), 1305 states have call successors, (1305), 390 states have call predecessors, (1305), 1056 states have return successors, (5401), 1368 states have call predecessors, (5401), 1305 states have call successors, (5401)
[2024-11-18 14:36:49,543 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 35175 states to 35175 states and 61520 transitions.
[2024-11-18 14:36:49,559 INFO  L78                 Accepts]: Start accepts. Automaton has 35175 states and 61520 transitions. Word has length 187
[2024-11-18 14:36:49,559 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:49,560 INFO  L471      AbstractCegarLoop]: Abstraction has 35175 states and 61520 transitions.
[2024-11-18 14:36:49,560 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:49,560 INFO  L276                IsEmpty]: Start isEmpty. Operand 35175 states and 61520 transitions.
[2024-11-18 14:36:49,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:49,591 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:49,591 INFO  L215           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]
[2024-11-18 14:36:49,591 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-18 14:36:49,592 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:49,592 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:49,592 INFO  L85        PathProgramCache]: Analyzing trace with hash 1978931943, now seen corresponding path program 1 times
[2024-11-18 14:36:49,592 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:49,593 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675013315]
[2024-11-18 14:36:49,593 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:49,593 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:49,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:49,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:49,874 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:49,874 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675013315]
[2024-11-18 14:36:49,874 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675013315] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:49,874 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:49,874 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:36:49,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785227277]
[2024-11-18 14:36:49,874 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:49,876 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:36:49,876 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:49,876 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:36:49,876 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:49,877 INFO  L87              Difference]: Start difference. First operand 35175 states and 61520 transitions. Second operand  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:52,616 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:36:52,616 INFO  L93              Difference]: Finished difference Result 118720 states and 217023 transitions.
[2024-11-18 14:36:52,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 14:36:52,617 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:36:52,617 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:36:53,025 INFO  L225             Difference]: With dead ends: 118720
[2024-11-18 14:36:53,026 INFO  L226             Difference]: Without dead ends: 83565
[2024-11-18 14:36:53,134 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-18 14:36:53,135 INFO  L432           NwaCegarLoop]: 772 mSDtfsCounter, 1236 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-18 14:36:53,135 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 3126 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-18 14:36:53,181 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 83565 states.
[2024-11-18 14:36:56,028 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 83565 to 82306.
[2024-11-18 14:36:56,143 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82306 states, 76886 states have (on average 1.7105584891917904) internal successors, (131518), 78947 states have internal predecessors, (131518), 2585 states have call successors, (2585), 774 states have call predecessors, (2585), 2834 states have return successors, (18969), 2712 states have call predecessors, (18969), 2585 states have call successors, (18969)
[2024-11-18 14:36:56,492 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82306 states to 82306 states and 153072 transitions.
[2024-11-18 14:36:56,514 INFO  L78                 Accepts]: Start accepts. Automaton has 82306 states and 153072 transitions. Word has length 187
[2024-11-18 14:36:56,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:36:56,514 INFO  L471      AbstractCegarLoop]: Abstraction has 82306 states and 153072 transitions.
[2024-11-18 14:36:56,515 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:36:56,515 INFO  L276                IsEmpty]: Start isEmpty. Operand 82306 states and 153072 transitions.
[2024-11-18 14:36:56,583 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:36:56,583 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:36:56,583 INFO  L215           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]
[2024-11-18 14:36:56,584 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-18 14:36:56,584 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:36:56,584 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:36:56,585 INFO  L85        PathProgramCache]: Analyzing trace with hash -1335080539, now seen corresponding path program 1 times
[2024-11-18 14:36:56,585 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:36:56,585 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304925781]
[2024-11-18 14:36:56,585 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:36:56,585 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:36:56,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:36:56,693 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:36:56,693 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:36:56,693 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304925781]
[2024-11-18 14:36:56,693 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304925781] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:36:56,693 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:36:56,694 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:36:56,694 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14267713]
[2024-11-18 14:36:56,694 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:36:56,694 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:36:56,694 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:36:56,695 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:36:56,695 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:36:56,695 INFO  L87              Difference]: Start difference. First operand 82306 states and 153072 transitions. Second operand  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:37:03,032 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:37:03,033 INFO  L93              Difference]: Finished difference Result 283669 states and 558929 transitions.
[2024-11-18 14:37:03,033 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 14:37:03,033 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:37:03,034 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:37:04,856 INFO  L225             Difference]: With dead ends: 283669
[2024-11-18 14:37:04,856 INFO  L226             Difference]: Without dead ends: 201383
[2024-11-18 14:37:05,050 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-11-18 14:37:05,051 INFO  L432           NwaCegarLoop]: 769 mSDtfsCounter, 1231 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 3114 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-18 14:37:05,051 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 3114 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-18 14:37:05,151 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 201383 states.
[2024-11-18 14:37:12,335 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 201383 to 199167.
[2024-11-18 14:37:12,622 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 199167 states, 186173 states have (on average 1.749372895102942) internal successors, (325686), 192480 states have internal predecessors, (325686), 5145 states have call successors, (5145), 1542 states have call predecessors, (5145), 7848 states have return successors, (70681), 5400 states have call predecessors, (70681), 5145 states have call successors, (70681)
[2024-11-18 14:37:14,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 199167 states to 199167 states and 401512 transitions.
[2024-11-18 14:37:14,429 INFO  L78                 Accepts]: Start accepts. Automaton has 199167 states and 401512 transitions. Word has length 187
[2024-11-18 14:37:14,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:37:14,430 INFO  L471      AbstractCegarLoop]: Abstraction has 199167 states and 401512 transitions.
[2024-11-18 14:37:14,430 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:37:14,431 INFO  L276                IsEmpty]: Start isEmpty. Operand 199167 states and 401512 transitions.
[2024-11-18 14:37:14,565 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-18 14:37:14,566 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:37:14,566 INFO  L215           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]
[2024-11-18 14:37:14,566 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-18 14:37:14,566 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:37:14,566 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:37:14,567 INFO  L85        PathProgramCache]: Analyzing trace with hash 1190415143, now seen corresponding path program 1 times
[2024-11-18 14:37:14,567 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:37:14,567 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045743125]
[2024-11-18 14:37:14,567 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:37:14,567 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:37:14,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:37:14,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:37:14,680 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:37:14,680 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045743125]
[2024-11-18 14:37:14,680 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045743125] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:37:14,680 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:37:14,680 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 14:37:14,680 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728583517]
[2024-11-18 14:37:14,680 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:37:14,681 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 14:37:14,681 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:37:14,682 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 14:37:14,682 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-18 14:37:14,682 INFO  L87              Difference]: Start difference. First operand 199167 states and 401512 transitions. Second operand  has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-18 14:37:23,725 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:37:23,726 INFO  L93              Difference]: Finished difference Result 496759 states and 1046243 transitions.
[2024-11-18 14:37:23,726 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 14:37:23,726 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187
[2024-11-18 14:37:23,726 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:37:25,697 INFO  L225             Difference]: With dead ends: 496759
[2024-11-18 14:37:25,697 INFO  L226             Difference]: Without dead ends: 297612
[2024-11-18 14:37:26,351 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:37:26,352 INFO  L432           NwaCegarLoop]: 403 mSDtfsCounter, 829 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 14:37:26,352 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1090 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 14:37:26,472 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 297612 states.